# Copyright (C) 2020 by Animath
# SPDX-License-Identifier: GPL-3.0-or-later

from datetime import date, timedelta
import math

from django.conf import settings
from django.core.exceptions import ValidationError
from django.core.validators import MaxValueValidator, MinValueValidator, RegexValidator
from django.db import models
from django.db.models import Index, Q
from django.template.defaultfilters import slugify
from django.urls import reverse_lazy
from django.utils import timezone, translation
from django.utils.crypto import get_random_string
from django.utils.text import format_lazy
from django.utils.timezone import localtime
from django.utils.translation import gettext_lazy as _
import gspread
from gspread.utils import a1_range_to_grid_range, MergeType
from registration.models import Payment, VolunteerRegistration
from tfjm.lists import get_sympa_client


def get_motivation_letter_filename(instance, filename):
    return f"authorization/motivation_letters/motivation_letter_{instance.trigram}"


class Team(models.Model):
    """
    The Team model represents a real team that participates to the tournament.
    This only includes the registration detail.
    """
    name = models.CharField(
        max_length=255,
        verbose_name=_("name"),
        unique=True,
    )

    trigram = models.CharField(
        max_length=4,
        verbose_name=_("code"),
        help_text=format_lazy(_("The code must be composed of {nb_letters} uppercase letters."),
                              nb_letters=settings.TEAM_CODE_LENGTH),
        unique=True,
        validators=[
            RegexValidator("^[A-Z]{3}[A-Z]*$"),
            RegexValidator(fr"^(?!{'|'.join(f'{t}$' for t in settings.FORBIDDEN_TRIGRAMS)})",
                           message=_("This team code is forbidden.")),
        ],
    )

    access_code = models.CharField(
        max_length=6,
        verbose_name=_("access code"),
        help_text=_("The access code let other people to join the team."),
    )

    motivation_letter = models.FileField(
        verbose_name=_("motivation letter"),
        upload_to=get_motivation_letter_filename,
        blank=True,
        default="",
    )

    @property
    def students(self):
        return self.participants.filter(studentregistration__isnull=False)

    @property
    def coaches(self):
        return self.participants.filter(coachregistration__isnull=False)

    def can_validate(self):
        if any(not r.email_confirmed for r in self.participants.all()):
            return False
        if self.students.count() < 4:
            return False
        if not self.coaches.exists():
            return False
        if not self.participation.tournament:
            return False
        if any(not r.photo_authorization for r in self.participants.all()):
            return False
        if settings.MOTIVATION_LETTER_REQUIRED and not self.motivation_letter:
            return False
        if not self.participation.tournament.remote:
            if settings.HEALTH_SHEET_REQUIRED and any(r.under_18 and not r.health_sheet for r in self.students.all()):
                return False
            if settings.VACCINE_SHEET_REQUIRED and any(r.under_18 and not r.vaccine_sheet for r in self.students.all()):
                return False
            if any(r.under_18 and not r.parental_authorization for r in self.students.all()):
                return False
        return True

    def important_informations(self):
        informations = []

        if self.participation.valid is None:
            if not self.participation.tournament:
                text = _("The team {trigram} is not registered to any tournament. "
                         "You can register the team to a tournament using <a href='{url}'>this link</a>.")
                url = reverse_lazy("participation:update_team", args=(self.pk,))
                content = format_lazy(text, trigram=self.trigram, url=url)
                informations.append({
                    'title': _("No tournament"),
                    'type': "danger",
                    'priority': 4,
                    'content': content,
                })
            else:
                text = _("Registrations for the tournament of {tournament} are ending on the {date:%Y-%m-%d %H:%M}.")
                content = format_lazy(text,
                                      tournament=self.participation.tournament.name,
                                      date=localtime(self.participation.tournament.inscription_limit))
                informations.append({
                    'title': _("Registrations closure"),
                    'type': "info",
                    'priority': 1,
                    'content': content,
                })

                if settings.MOTIVATION_LETTER_REQUIRED and not self.motivation_letter:
                    text = _("The team {trigram} has not uploaded a motivation letter. "
                             "You can upload your motivation letter using <a href='{url}'>this link</a>.")
                    url = reverse_lazy("participation:upload_team_motivation_letter", args=(self.pk,))
                    content = format_lazy(text, trigram=self.trigram, url=url)
                    informations.append({
                        'title': _("No motivation letter"),
                        'type': "danger",
                        'priority': 10,
                        'content': content,
                    })

                nb_students = self.students.count()
                nb_coaches = self.coaches.count()
                if nb_students < 4:
                    text = _("The team {trigram} has less than 4 students ({nb_students}). "
                             "You can invite more students to join the team using "
                             "the invite code <strong>{code}</strong>.")
                    content = format_lazy(text, trigram=self.trigram, nb_students=nb_students, code=self.access_code)
                    informations.append({
                        'title': _("Not enough students"),
                        'type': "warning",
                        'priority': 7,
                        'content': content,
                    })

                if not nb_coaches:
                    text = _("The team {trigram} has no coach. "
                             "You can invite a coach to join the team using the invite code <strong>{code}</strong>.")
                    content = format_lazy(text, trigram=self.trigram, nb_students=nb_students, code=self.access_code)
                    informations.append({
                        'title': _("No coach"),
                        'type': "warning",
                        'priority': 8,
                        'content': content,
                    })

                if nb_students > 6 or nb_coaches > 2:
                    text = _("The team {trigram} has more than 6 students ({nb_students}) "
                             "or more than 2 coaches ({nb_coaches})."
                             "You have to restrict the number of students and coaches to 6 and 2, respectively.")
                    content = format_lazy(text, trigram=self.trigram, nb_students=nb_students, nb_coaches=nb_coaches)
                    informations.append({
                        'title': _("Too many members"),
                        'type': "warning",
                        'priority': 7,
                        'content': content,
                    })
                elif nb_students >= 4 and nb_coaches >= 1:
                    if self.can_validate():
                        text = _("The team {trigram} is ready to be validated. "
                                 "You can request validation on <a href='{url}'>the page of your team</a>.")
                        url = reverse_lazy("participation:team_detail", args=(self.pk,))
                        content = format_lazy(text, trigram=self.trigram, url=url)
                        informations.append({
                            'title': _("Validate team"),
                            'type': "success",
                            'priority': 2,
                            'content': content,
                        })
                    else:
                        text = _("The team {trigram} has enough participants, but is not ready to be validated. "
                                 "Please make sure that all the participants have uploaded the required documents. "
                                 "To invite more participants, use the invite code <strong>{code}</strong>.")
                        content = format_lazy(text, trigram=self.trigram, code=self.access_code)
                        informations.append({
                            'title': _("Validate team"),
                            'type': "warning",
                            'priority': 10,
                            'content': content,
                        })
        elif self.participation.valid is False:
            text = _("The team {trigram} has not been validated by the organizers yet. Please be patient.")
            content = format_lazy(text, trigram=self.trigram)
            informations.append({
                'title': _("Pending validation"),
                'type': "warning",
                'priority': 2,
                'content': content,
            })
        else:
            informations.extend(self.participation.important_informations())

        return informations

    @property
    def email(self):
        """
        :return: The mailing list to contact the team members.
        """
        return f"equipe-{slugify(self.trigram)}@{settings.SYMPA_HOST}"

    def create_mailing_list(self):
        """
        Create a new Sympa mailing list to contact the team.
        """
        get_sympa_client().create_list(
            f"equipe-{slugify(self.trigram)}",
            f"Equipe {self.name} ({self.trigram})",
            "hotline",  # TODO Use a custom sympa template
            f"Liste de diffusion pour contacter l'equipe {self.name} du TFJM2",
            "education",
            raise_error=False,
        )

    def delete_mailing_list(self):
        """
        Drop the Sympa mailing list, if the team is empty or if the trigram changed.
        """
        if self.participation.valid:  # pragma: no cover
            get_sympa_client().unsubscribe(
                self.email, f"equipes-{slugify(self.participation.tournament.name)}", False)
        else:
            get_sympa_client().unsubscribe(self.email, "equipes-non-valides", False)
        get_sympa_client().delete_list(f"equipe-{self.trigram}")

    def clean(self):
        if self.trigram and len(self.trigram) != settings.TEAM_CODE_LENGTH:
            raise ValidationError({'trigram': _("The team code must be composed of {nb_letters} uppercase letters.")},
                                  params={'nb_letters': settings.TEAM_CODE_LENGTH})
        return super().clean()

    def save(self, *args, **kwargs):
        if not self.access_code:
            # if the team got created, generate the access code, create the contact mailing list
            self.access_code = get_random_string(6)
            if settings.ML_MANAGEMENT:
                self.create_mailing_list()

        return super().save(*args, **kwargs)

    def get_absolute_url(self):
        return reverse_lazy("participation:team_detail", args=(self.pk,))

    def __str__(self):
        return _("Team {name} ({trigram})").format(name=self.name, trigram=self.trigram)

    class Meta:
        verbose_name = _("team")
        verbose_name_plural = _("teams")
        ordering = ('trigram',)
        indexes = [
            Index(fields=("trigram", )),
        ]


class Tournament(models.Model):
    name = models.CharField(
        max_length=255,
        verbose_name=_("name"),
        unique=True,
    )

    date_start = models.DateField(
        verbose_name=_("start"),
        default=date.today,
    )

    date_end = models.DateField(
        verbose_name=_("end"),
        default=date.today,
    )

    unified_registration = models.BooleanField(
        verbose_name=_("unified registration"),
        default=False,
    )

    place = models.CharField(
        max_length=255,
        verbose_name=_("place"),
    )

    max_teams = models.PositiveSmallIntegerField(
        verbose_name=_("max team count"),
        default=9,
    )

    price = models.PositiveSmallIntegerField(
        verbose_name=_("price"),
        default=21,
    )

    remote = models.BooleanField(
        verbose_name=_("remote"),
        default=False,
    )

    inscription_limit = models.DateTimeField(
        verbose_name=_("limit date for registrations"),
        default=timezone.now,
    )

    solution_limit = models.DateTimeField(
        verbose_name=_("limit date to upload solutions"),
        default=timezone.now,
    )

    solutions_draw = models.DateTimeField(
        verbose_name=_("random draw for solutions"),
        default=timezone.now,
    )

    date_first_phase = models.DateField(
        verbose_name=_("first phase date"),
        default=date.today,
    )

    reviews_first_phase_limit = models.DateTimeField(
        verbose_name=_("limit date to upload the written reviews for the first phase"),
        default=timezone.now,
    )

    date_second_phase = models.DateField(
        verbose_name=_("first second date"),
        default=date.today,
    )

    solutions_available_second_phase = models.BooleanField(
        verbose_name=_("check this case when solutions for the second round become available"),
        default=False,
    )

    reviews_second_phase_limit = models.DateTimeField(
        verbose_name=_("limit date to upload the written reviews for the second phase"),
        default=timezone.now,
    )

    date_third_phase = models.DateField(
        verbose_name=_("third phase date"),
        default=date.today,
    )

    solutions_available_third_phase = models.BooleanField(
        verbose_name=_("check this case when solutions for the third round become available"),
        default=False,
    )

    reviews_third_phase_limit = models.DateTimeField(
        verbose_name=_("limit date to upload the written reviews for the third phase"),
        default=timezone.now,
    )

    description = models.TextField(
        verbose_name=_("description"),
        blank=True,
    )

    organizers = models.ManyToManyField(
        VolunteerRegistration,
        verbose_name=_("organizers"),
        related_name="organized_tournaments",
    )

    final = models.BooleanField(
        verbose_name=_("final"),
        default=False,
    )

    notes_sheet_id = models.CharField(
        max_length=64,
        blank=True,
        default="",
        verbose_name=_("Google Sheet ID"),
    )

    @property
    def teams_email(self):
        """
        :return: The mailing list to contact the team members.
        """
        return f"equipes-{slugify(self.name)}@{settings.SYMPA_HOST}"

    @property
    def organizers_email(self):
        """
        :return: The mailing list to contact the team members.
        """
        return f"organisateurs-{slugify(self.name)}@{settings.SYMPA_HOST}"

    @property
    def jurys_email(self):
        """
        :return: The mailing list to contact the team members.
        """
        return f"jurys-{slugify(self.name)}@{settings.SYMPA_HOST}"

    def create_mailing_lists(self):
        """
        Create a new Sympa mailing list to contact the team.
        """
        get_sympa_client().create_list(
            f"equipes-{slugify(self.name)}",
            f"Equipes du tournoi de {self.name}",
            "hotline",  # TODO Use a custom sympa template
            f"Liste de diffusion pour contacter les equipes du tournoi {self.name} du TFJM²",
            "education",
            raise_error=False,
        )
        get_sympa_client().create_list(
            f"organisateurs-{slugify(self.name)}",
            f"Organisateurs du tournoi de {self.name}",
            "hotline",  # TODO Use a custom sympa template
            f"Liste de diffusion pour contacter les equipes du tournoi {self.name} du TFJM²",
            "education",
            raise_error=False,
        )

    @staticmethod
    def final_tournament():
        qs = Tournament.objects.filter(final=True)
        if qs.exists():
            return qs.get()

    @property
    def participations(self):
        if self.final:
            return Participation.objects.filter(final=True)
        return self.participation_set

    @property
    def solutions(self):
        if self.final:
            return Solution.objects.filter(final_solution=True)
        return Solution.objects.filter(participation__tournament=self)

    @property
    def written_reviews(self):
        if self.final:
            return WrittenReview.objects.filter(final_solution=True)
        return WrittenReview.objects.filter(participation__tournament=self)

    @property
    def best_format(self):
        n = len(self.participations.filter(valid=True).all())
        fmt = [n] if n <= 5 else [3] * (n // 3 - 1) + [3 + n % 3]
        return '+'.join(map(str, sorted(fmt)))

    def create_spreadsheet(self):
        if self.notes_sheet_id:
            return self.notes_sheet_id

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        spreadsheet = gc.create(_('Notation sheet') + f" - {self.name}", folder_id=settings.NOTES_DRIVE_FOLDER_ID)
        spreadsheet.update_locale("fr_FR")
        spreadsheet.share(None, "anyone", "writer", with_link=True)
        self.notes_sheet_id = spreadsheet.id
        self.save()

    def update_ranking_spreadsheet(self):  # noqa: C901
        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        spreadsheet = gc.open_by_key(self.notes_sheet_id)
        worksheets = spreadsheet.worksheets()
        if str(_("Final ranking")) not in [ws.title for ws in worksheets]:
            worksheet = spreadsheet.add_worksheet(str(_("Final ranking")), 30, 10)
        else:
            worksheet = spreadsheet.worksheet(str(_("Final ranking")))

        if worksheet.index != self.pools.count():
            worksheet.update_index(self.pools.count())

        header = [[str(_("Team")), str(_("Scores day 1")), str(_("Tweaks day 1")),
                   str(_("Scores day 2")), str(_("Tweaks day 2"))]
                  + ([str(_("Total D1 + D2")), str(_("Scores day 3")), str(_("Tweaks day 3"))]
                     if settings.NB_ROUNDS >= 3 else [])
                  + [str(_("Total")), str(_("Rank"))]]
        lines = []
        participations = self.participations.filter(pools__round=1, pools__tournament=self).distinct().all()
        total_col, rank_col = ("F", "G") if settings.NB_ROUNDS == 2 else ("I", "J")
        for i, participation in enumerate(participations):
            line = [f"{participation.team.name} ({participation.team.trigram})"]
            lines.append(line)

            passage1 = Passage.objects.get(pool__tournament=self, pool__round=1, reporter=participation)
            pool1 = passage1.pool
            if pool1.participations.count() != 5:
                position1 = passage1.position
            else:
                position1 = (passage1.position - 1) * 2 + pool1.room
            tweak1_qs = Tweak.objects.filter(pool=pool1, participation=participation)
            tweak1 = tweak1_qs.get() if tweak1_qs.exists() else None

            line.append(f"=SIERREUR('{_('Pool')} {pool1.short_name}'!$D{pool1.juries.count() + 10 + position1}; 0)")
            line.append(tweak1.diff if tweak1 else 0)

            if Passage.objects.filter(pool__tournament=self, pool__round=2, reporter=participation).exists():
                passage2 = Passage.objects.get(pool__tournament=self, pool__round=2, reporter=participation)
                pool2 = passage2.pool
                if pool2.participations.count() != 5:
                    position2 = passage2.position
                else:
                    position2 = (passage2.position - 1) * 2 + pool2.room
                tweak2_qs = Tweak.objects.filter(pool=pool2, participation=participation)
                tweak2 = tweak2_qs.get() if tweak2_qs.exists() else None

                line.append(
                    f"=SIERREUR('{_('Pool')} {pool2.short_name}'!$D{pool2.juries.count() + 10 + position2}; 0)")
                line.append(tweak2.diff if tweak2 else 0)

                if settings.NB_ROUNDS >= 3:
                    line.append(f"=$B{i + 2} + $C{i + 2} + $D{i + 2} + E{i + 2}")

                    if Passage.objects.filter(pool__tournament=self, pool__round=3, reporter=participation).exists():
                        passage3 = Passage.objects.get(pool__tournament=self, pool__round=3, reporter=participation)
                        pool3 = passage3.pool
                        if pool3.participations.count() != 5:
                            position3 = passage3.position
                        else:
                            position3 = (passage3.position - 1) * 2 + pool3.room
                        tweak3_qs = Tweak.objects.filter(pool=pool3, participation=participation)
                        tweak3 = tweak3_qs.get() if tweak3_qs.exists() else None

                        line.append(
                            f"=SIERREUR('{_('Pool')} {pool3.short_name}'!$D{pool3.juries.count() + 10 + position3}; 0)")
                        line.append(tweak3.diff if tweak3 else 0)
                    else:
                        line.append(0)
                        line.append(0)
            else:
                # There is no second pool yet
                line.append(0)
                line.append(0)

                if settings.NB_ROUNDS >= 3:
                    line.append(f"=$B{i + 2} + $C{i + 2} + $D{i + 2} + E{i + 2}")
                    line.append(0)
                    line.append(0)

            line.append(f"=$B{i + 2} + $C{i + 2} + $D{i + 2} + E{i + 2}"
                        + (f" + (PI() - 2) * $G{i + 2} + $H{i + 2}" if settings.NB_ROUNDS >= 3 else ""))
            line.append(f"=RANG(${total_col}{i + 2}; ${total_col}$2:${total_col}${participations.count() + 1})")

        final_ranking = [["", "", "", ""], ["", "", "", ""],
                         [str(_("Team")), str(_("Score")), str(_("Rank")), str(_("Mention"))],
                         [f"=SORT($A$2:$A${participations.count() + 1}; "
                          f"${total_col}$2:${total_col}${participations.count() + 1}; FALSE)",
                          f"=SORT(${total_col}$2:${total_col}${participations.count() + 1}; "
                          f"${total_col}$2:${total_col}${participations.count() + 1}; FALSE)",
                          f"=SORT(${rank_col}$2:${rank_col}${participations.count() + 1}; "
                          f"${total_col}$2:${total_col}${participations.count() + 1}; FALSE)", ]]
        final_ranking += [["", "", ""] for _i in range(participations.count() - 1)]

        notes = dict()
        for participation in self.participations.filter(valid=True).all():
            note = sum(pool.average(participation) for pool in self.pools.filter(participations=participation).all())
            if note:
                notes[participation] = note
        sorted_notes = sorted(notes.items(), key=lambda x: x[1], reverse=True)

        for i, (participation, _note) in enumerate(sorted_notes):
            final_ranking[i + 3].append(participation.mention if not self.final else participation.mention_final)

        data = header + lines + final_ranking
        worksheet.update(data, f"A1:{rank_col}{2 * participations.count() + 4}", raw=False)

        format_requests = []

        # Set the width of the columns
        column_widths = [("A", 350), ("B", 150), ("C", 150), ("D", 150), ("E", 150), ("F", 150), ("G", 150),
                         ("H", 150), ("I", 150), ("J", 150)]
        for column, width in column_widths:
            grid_range = a1_range_to_grid_range(column, worksheet.id)
            format_requests.append({
                "updateDimensionProperties": {
                    "range": {
                        "sheetId": worksheet.id,
                        "dimension": "COLUMNS",
                        "startIndex": grid_range['startColumnIndex'],
                        "endIndex": grid_range['endColumnIndex'],
                    },
                    "properties": {
                        "pixelSize": width,
                    },
                    "fields": "pixelSize",
                }
            })

        # Set borders
        border_ranges = [("A1:Z", "0000"),
                         (f"A1:{rank_col}{participations.count() + 1}", "1111"),
                         (f"A{participations.count() + 4}:D{2 * participations.count() + 4}", "1111")]
        sides_names = ['top', 'bottom', 'left', 'right']
        styles = ["NONE", "SOLID", "SOLID_MEDIUM", "SOLID_THICK", "DOUBLE"]
        for border_range, sides in border_ranges:
            borders = {}
            for side_name, side in zip(sides_names, sides):
                borders[side_name] = {"style": styles[int(side)]}
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(border_range, worksheet.id),
                    "cell": {
                        "userEnteredFormat": {
                            "borders": borders,
                            "horizontalAlignment": "CENTER",
                        },
                    },
                    "fields": "userEnteredFormat(borders,horizontalAlignment)",
                }
            })

        # Make titles bold
        bold_ranges = [("A1:Z", False), (f"A1:{rank_col}1", True),
                       (f"A{participations.count() + 4}:D{participations.count() + 4}", True)]
        for bold_range, bold in bold_ranges:
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(bold_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"textFormat": {"bold": bold}}},
                    "fields": "userEnteredFormat(textFormat)",
                }
            })

        # Set background color for headers and footers
        bg_colors = [("A1:Z", (1, 1, 1)),
                     (f"A1:{rank_col}1", (0.8, 0.8, 0.8)),
                     (f"A2:B{participations.count() + 1}", (0.9, 0.9, 0.9)),
                     (f"C2:C{participations.count() + 1}", (1, 1, 1)),
                     (f"D2:D{participations.count() + 1}", (0.9, 0.9, 0.9)),
                     (f"E2:E{participations.count() + 1}", (1, 1, 1)),
                     (f"A{participations.count() + 4}:D{participations.count() + 4}", (0.8, 0.8, 0.8)),
                     (f"A{participations.count() + 5}:C{2 * participations.count() + 4}", (0.9, 0.9, 0.9)),]
        if settings.NB_ROUNDS >= 3:
            bg_colors.append((f"F2:G{participations.count() + 1}", (0.9, 0.9, 0.9)))
            bg_colors.append((f"I2:J{participations.count() + 1}", (0.9, 0.9, 0.9)))
        else:
            bg_colors.append((f"F2:G{participations.count() + 1}", (0.9, 0.9, 0.9)))
        for bg_range, bg_color in bg_colors:
            r, g, b = bg_color
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(bg_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"backgroundColor": {"red": r, "green": g, "blue": b}}},
                    "fields": "userEnteredFormat(backgroundColor)",
                }
            })

        # Set number format, display only one decimal
        number_format_ranges = [(f"B2:B{participations.count() + 1}", "0.0"),
                                (f"C2:C{participations.count() + 1}", "0"),
                                (f"D2:D{participations.count() + 1}", "0.0"),
                                (f"E2:E{participations.count() + 1}", "0"),
                                (f"F2:F{participations.count() + 1}", "0.0"),
                                (f"B{participations.count() + 5}:B{2 * participations.count() + 5}", "0.0"),
                                (f"C{participations.count() + 5}:C{2 * participations.count() + 5}", "0"), ]
        if settings.NB_ROUNDS >= 3:
            number_format_ranges += [(f"G2:G{participations.count() + 1}", "0.0"),
                                     (f"H2:H{participations.count() + 1}", "0"),
                                     (f"I2:I{participations.count() + 1}", "0.0"),
                                     (f"J2:J{participations.count() + 1}", "0"), ]
        else:
            number_format_ranges.append((f"G2:G{participations.count() + 1}", "0"))
        for number_format_range, pattern in number_format_ranges:
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(number_format_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"numberFormat": {"type": "NUMBER", "pattern": pattern}}},
                    "fields": "userEnteredFormat.numberFormat",
                }
            })

        # Remove old protected ranges
        for protected_range in spreadsheet.list_protected_ranges(worksheet.id):
            format_requests.append({
                "deleteProtectedRange": {
                    "protectedRangeId": protected_range["protectedRangeId"],
                }
            })

        # Protect the header, the juries list, the footer and the ranking
        protected_ranges = ["A1:J1", f"A2:B{participations.count() + 1}",
                            f"D2:D{participations.count() + 1}", f"F2:G{participations.count() + 1}",
                            f"I2:J{participations.count() + 1}",
                            f"A{participations.count() + 4}:C{2 * participations.count() + 4}", ]
        for protected_range in protected_ranges:
            format_requests.append({
                "addProtectedRange": {
                    "protectedRange": {
                        "range": a1_range_to_grid_range(protected_range, worksheet.id),
                        "description": str(_("Don't update the table structure for a better automated integration.")),
                        "warningOnly": True,
                    },
                }
            })

        body = {"requests": format_requests}
        worksheet.client.batch_update(spreadsheet.id, body)

    def parse_tweaks_spreadsheets(self):
        if not self.pools.exists():
            # Draw has not been done yet
            return

        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        spreadsheet = gc.open_by_key(self.notes_sheet_id)
        worksheet = spreadsheet.worksheet(str(_("Final ranking")))

        score_cell = worksheet.find(str(_("Score")))
        max_row = score_cell.row - 3
        if max_row == 1:
            # There is no team
            return

        data = worksheet.get_values(f"A2:H{max_row}")
        for line in data:
            trigram = line[0][-settings.TEAM_CODE_LENGTH - 1:-1]
            participation = self.participations.get(team__trigram=trigram)
            pool1 = self.pools.get(round=1, participations=participation, room=1)
            tweak1_qs = Tweak.objects.filter(pool=pool1, participation=participation)
            tweak1_nb = int(line[2])
            if not tweak1_nb:
                tweak1_qs.delete()
            else:
                tweak1_qs.update_or_create(defaults={'diff': tweak1_nb},
                                           create_defaults={'diff': tweak1_nb, 'pool': pool1,
                                                            'participation': participation})

            if self.pools.filter(round=2, participations=participation).exists():
                pool2 = self.pools.get(round=2, participations=participation, room=1)
                tweak2_qs = Tweak.objects.filter(pool=pool2, participation=participation)
                tweak2_nb = int(line[4])
                if not tweak2_nb:
                    tweak2_qs.delete()
                else:
                    tweak2_qs.update_or_create(defaults={'diff': tweak2_nb},
                                               create_defaults={'diff': tweak2_nb, 'pool': pool2,
                                                                'participation': participation})

            if self.pools.filter(round=3, participations=participation).exists():
                pool3 = self.pools.get(round=3, participations=participation, room=1)
                tweak3_qs = Tweak.objects.filter(pool=pool3, participation=participation)
                tweak3_nb = int(line[7])
                if not tweak3_nb:
                    tweak3_qs.delete()
                else:
                    tweak3_qs.update_or_create(defaults={'diff': tweak3_nb},
                                               create_defaults={'diff': tweak3_nb, 'pool': pool3,
                                                                'participation': participation})

        nb_participations = self.participations.filter(valid=True).count()
        mentions = worksheet.get_values(f"A{score_cell.row + 1}:D{score_cell.row + nb_participations}")
        notes = dict()
        for participation in self.participations.filter(valid=True).all():
            note = sum(pool.average(participation) for pool in self.pools.filter(participations=participation).all())
            if note:
                notes[participation] = note
        sorted_notes = sorted(notes.items(), key=lambda x: x[1], reverse=True)
        for i, (participation, _note) in enumerate(sorted_notes):
            mention = mentions[i][3] if len(mentions[i]) >= 4 else ""
            if not self.final:
                participation.mention = mention
            else:
                participation.mention_final = mention
            participation.save()

    def get_absolute_url(self):
        return reverse_lazy("participation:tournament_detail", args=(self.pk,))

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = _("tournament")
        verbose_name_plural = _("tournaments")
        indexes = [
            Index(fields=("name", "date_start", "date_end", )),
        ]


class Participation(models.Model):
    """
    The Participation model contains all data that are related to the participation:
    chosen problem, validity status, solutions,...
    """
    team = models.OneToOneField(
        Team,
        on_delete=models.CASCADE,
        verbose_name=_("team"),
    )

    tournament = models.ForeignKey(
        Tournament,
        on_delete=models.SET_NULL,
        null=True,
        blank=True,
        default=None,
        verbose_name=_("tournament"),
    )

    valid = models.BooleanField(
        null=True,
        default=None,
        verbose_name=_("valid team"),
        help_text=_("The participation got the validation of the organizers."),
    )

    final = models.BooleanField(
        default=False,
        verbose_name=_("selected for final"),
        help_text=_("The team is selected for the final tournament."),
    )

    mention = models.CharField(
        verbose_name=_("mention"),
        max_length=255,
        blank=True,
        default="",
    )

    mention_final = models.CharField(
        verbose_name=_("mention (final)"),
        max_length=255,
        blank=True,
        default="",
    )

    def get_absolute_url(self):
        return reverse_lazy("participation:participation_detail", args=(self.pk,))

    def __str__(self):
        return _("Participation of the team {name} ({trigram})").format(name=self.team.name, trigram=self.team.trigram)

    def important_informations(self):
        from survey.models import Survey

        informations = []

        missing_payments = Payment.objects.filter(registrations__in=self.team.participants.all(), valid=False)
        if missing_payments.exists():
            text = _("<p>The team {trigram} has {nb_missing_payments} missing payments. Each member of the team "
                     "must have a valid payment (or send a scholarship notification) "
                     "to participate to the tournament.</p>"
                     "<p>Participants that have not paid yet are: {participants}.</p>")
            content = format_lazy(text, trigram=self.team.trigram, nb_missing_payments=missing_payments.count(),
                                  participants=", ".join(", ".join(str(r) for r in p.registrations.all())
                                                         for p in missing_payments.all()))
            informations.append({
                'title': _("Missing payments"),
                'type': "danger",
                'priority': 10,
                'content': content,
            })

        if self.valid:
            for survey in Survey.objects.filter(Q(tournament__isnull=True) | Q(tournament=self.tournament), Q(invite_team=True),
                                                ~Q(completed_teams=self.team)).all():
                text = _("Please answer to the survey \"{name}\". You can go to the survey on <a href=\"{survey_link}\">that link</a>, "
                         "using the token code you received by mail.")
                content = format_lazy(text, name=survey.name, survey_link=f"{settings.LIMESURVEY_URL}/index.php/{survey.survey_id}")
                informations.append({
                    'title': _("Required answer to survey"),
                    'type': "warning",
                    'priority': 12,
                    'content': content
                })

        if self.tournament:
            informations.extend(self.informations_for_tournament(self.tournament))
            if self.final:
                informations.extend(self.informations_for_tournament(Tournament.final_tournament()))

        return informations

    def informations_for_tournament(self, tournament) -> list[dict]:
        informations = []
        if timezone.now() <= tournament.solution_limit + timedelta(hours=2):
            if not tournament.final:
                text = _("<p>The solutions for the tournament of {tournament} are due on the {date:%Y-%m-%d %H:%M}.</p>"
                         "<p>You have currently sent <strong>{nb_solutions}</strong> solutions. "
                         "We suggest to send at least <strong>{min_solutions}</strong> different solutions.</p>"
                         "<p>You can upload your solutions on <a href='{url}'>your participation page</a>.</p>")
                url = reverse_lazy("participation:participation_detail", args=(self.pk,))
                content = format_lazy(text, tournament=tournament.name, date=localtime(tournament.solution_limit),
                                      nb_solutions=self.solutions.filter(final_solution=False).count(),
                                      min_solutions=len(settings.PROBLEMS) - 3,
                                      url=url)
                informations.append({
                    'title': _("Solutions due"),
                    'type': "info",
                    'priority': 1,
                    'content': content,
                })
            else:
                text = _("<p>The solutions for the tournament of {tournament} are due on the {date:%Y-%m-%d %H:%M}.</p>"
                         "<p>Remember that you can only fix minor changes to your solutions "
                         "without adding new parts.</p>"
                         "<p>You can upload your solutions on <a href='{url}'>your participation page</a>.</p>")
                url = reverse_lazy("participation:participation_detail", args=(self.pk,))
                content = format_lazy(text, tournament=tournament.name, date=localtime(tournament.solution_limit),
                                      url=url)
                informations.append({
                    'title': _("Solutions due"),
                    'type': "info",
                    'priority': 1,
                    'content': content,
                })
        elif timezone.now() <= tournament.solutions_draw + timedelta(hours=2):
            text = _("<p>The draw of the solutions for the tournament {tournament} is planned on the "
                     "{date:%Y-%m-%d %H:%M}. You can join it on <a href='{url}'>this link</a>.</p>")
            url = reverse_lazy("draw:index")
            content = format_lazy(text, tournament=tournament.name,
                                  date=localtime(tournament.solutions_draw), url=url)
            informations.append({
                'title': _("Draw of solutions"),
                'type': "info",
                'priority': 1,
                'content': content,
            })
        elif timezone.now() <= tournament.reviews_first_phase_limit + timedelta(hours=2):
            reporter_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=1, reporter=self)
            opponent_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=1, opponent=self)
            reviewer_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=1, reviewer=self)
            observer_passage = Passage.objects.filter(pool__tournament=self.tournament, pool__round=1, observer=self)
            observer_passage = observer_passage.get() if observer_passage.exists() else None

            reporter_text = _("<p>The solutions draw is ended. You can check the result on "
                              "<a href='{draw_url}'>this page</a>.</p>"
                              "<p>For the first round, you will present "
                              "<a href='{solution_url}'>your solution of the problem {problem}</a>.</p>")
            draw_url = reverse_lazy("draw:index")
            solution_url = reporter_passage.reported_solution.file.url
            reporter_content = format_lazy(reporter_text, draw_url=draw_url,
                                           solution_url=solution_url, problem=reporter_passage.solution_number)

            opponent_text = _("<p>You will oppose the solution of the team {opponent} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = opponent_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(opponent_passage.pk,))
            opponent_content = format_lazy(opponent_text, opponent=opponent_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=opponent_passage.solution_number, passage_url=passage_url)

            reviewer_text = _("<p>You will report the solution of the team {reviewer} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = reviewer_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(reviewer_passage.pk,))
            reviewer_content = format_lazy(reviewer_text, reviewer=reviewer_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=reviewer_passage.solution_number, passage_url=passage_url)

            if observer_passage:
                observer_text = _("<p>You will observe the solution of the team {observer} on the "
                                  "<a href='{solution_url}'>problem {problem}</a>. "
                                  "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
                solution_url = observer_passage.reported_solution.file.url
                passage_url = reverse_lazy("participation:passage_detail", args=(observer_passage.pk,))
                observer_content = format_lazy(observer_text,
                                               observer=observer_passage.reporter.team.trigram,
                                               solution_url=solution_url,
                                               problem=observer_passage.solution_number, passage_url=passage_url)
            else:
                observer_content = ""

            if settings.TFJM_APP == "TFJM":
                reviews_template_begin = f"{settings.STATIC_URL}tfjm/Fiche_synthèse."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex", "odt", "docx"])
            else:
                reviews_template_begin = f"{settings.STATIC_URL}eteam/Written_review."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex"])
            reviews_templates_content = "<p>" + _('Templates:') + f" {reviews_templates}</p>"

            content = reporter_content + opponent_content + reviewer_content + observer_content \
                + reviews_templates_content
            informations.append({
                'title': _("First round"),
                'type': "info",
                'priority': 1,
                'content': content,
            })
        elif timezone.now() <= tournament.reviews_second_phase_limit + timedelta(hours=2):
            reporter_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=2, reporter=self)
            opponent_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=2, opponent=self)
            reviewer_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=2, reviewer=self)
            observer_passage = Passage.objects.filter(pool__tournament=self.tournament, pool__round=2, observer=self)
            observer_passage = observer_passage.get() if observer_passage.exists() else None

            reporter_text = _("<p>For the second round, you will present "
                              "<a href='{solution_url}'>your solution of the problem {problem}</a>.</p>")
            draw_url = reverse_lazy("draw:index")
            solution_url = reporter_passage.reported_solution.file.url
            reporter_content = format_lazy(reporter_text, draw_url=draw_url,
                                           solution_url=solution_url, problem=reporter_passage.solution_number)

            opponent_text = _("<p>You will oppose the solution of the team {opponent} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = opponent_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(opponent_passage.pk,))
            opponent_content = format_lazy(opponent_text, opponent=opponent_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=opponent_passage.solution_number, passage_url=passage_url)

            reviewer_text = _("<p>You will report the solution of the team {reviewer} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = reviewer_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(reviewer_passage.pk,))
            reviewer_content = format_lazy(reviewer_text, reviewer=reviewer_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=reviewer_passage.solution_number, passage_url=passage_url)

            if observer_passage:
                observer_text = _("<p>You will observe the solution of the team {observer} on the "
                                  "<a href='{solution_url}'>problem {problem}</a>. "
                                  "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
                solution_url = observer_passage.reported_solution.file.url
                passage_url = reverse_lazy("participation:passage_detail", args=(observer_passage.pk,))
                observer_content = format_lazy(observer_text,
                                               observer=observer_passage.reporter.team.trigram,
                                               solution_url=solution_url,
                                               problem=observer_passage.solution_number, passage_url=passage_url)
            else:
                observer_content = ""

            if settings.TFJM_APP == "TFJM":
                reviews_template_begin = f"{settings.STATIC_URL}tfjm/Fiche_synthèse."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex", "odt", "docx"])
            else:
                reviews_template_begin = f"{settings.STATIC_URL}eteam/Written_review."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex"])
            reviews_templates_content = "<p>" + _('Templates:') + f" {reviews_templates}</p>"

            content = reporter_content + opponent_content + reviewer_content + observer_content \
                + reviews_templates_content
            informations.append({
                'title': _("Second round"),
                'type': "info",
                'priority': 1,
                'content': content,
            })
        elif settings.NB_ROUNDS >= 3 \
                and timezone.now() <= tournament.reviews_third_phase_limit + timedelta(hours=2):
            reporter_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=3, reporter=self)
            opponent_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=3, opponent=self)
            reviewer_passage = Passage.objects.get(pool__tournament=self.tournament, pool__round=3, reviewer=self)
            observer_passage = Passage.objects.filter(pool__tournament=self.tournament, pool__round=3, observer=self)
            observer_passage = observer_passage.get() if observer_passage.exists() else None

            reporter_text = _("<p>For the third round, you will present "
                              "<a href='{solution_url}'>your solution of the problem {problem}</a>.</p>")
            draw_url = reverse_lazy("draw:index")
            solution_url = reporter_passage.reported_solution.file.url
            reporter_content = format_lazy(reporter_text, draw_url=draw_url,
                                           solution_url=solution_url, problem=reporter_passage.solution_number)

            opponent_text = _("<p>You will oppose the solution of the team {opponent} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = opponent_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(opponent_passage.pk,))
            opponent_content = format_lazy(opponent_text, opponent=opponent_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=opponent_passage.solution_number, passage_url=passage_url)

            reviewer_text = _("<p>You will report the solution of the team {reviewer} on the "
                              "<a href='{solution_url}'>problem {problem}</a>. "
                              "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
            solution_url = reviewer_passage.reported_solution.file.url
            passage_url = reverse_lazy("participation:passage_detail", args=(reviewer_passage.pk,))
            reviewer_content = format_lazy(reviewer_text, reviewer=reviewer_passage.reporter.team.trigram,
                                           solution_url=solution_url,
                                           problem=reviewer_passage.solution_number, passage_url=passage_url)

            if observer_passage:
                observer_text = _("<p>You will observe the solution of the team {observer} on the "
                                  "<a href='{solution_url}'>problem {problem}</a>. "
                                  "You can upload your written review on <a href='{passage_url}'>this page</a>.</p>")
                solution_url = observer_passage.reported_solution.file.url
                passage_url = reverse_lazy("participation:passage_detail", args=(observer_passage.pk,))
                observer_content = format_lazy(observer_text,
                                               observer=observer_passage.reporter.team.trigram,
                                               solution_url=solution_url,
                                               problem=observer_passage.solution_number, passage_url=passage_url)
            else:
                observer_content = ""

            if settings.TFJM_APP == "TFJM":
                reviews_template_begin = f"{settings.STATIC_URL}tfjm/Fiche_synthèse."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex", "odt", "docx"])
            else:
                reviews_template_begin = f"{settings.STATIC_URL}eteam/Written_review."
                reviews_templates = " — ".join(f"<a href='{reviews_template_begin}{ext}'>{ext.upper()}</a>"
                                               for ext in ["pdf", "tex"])
            reviews_templates_content = "<p>" + _('Templates:') + f" {reviews_templates}</p>"

            content = reporter_content + opponent_content + reviewer_content + observer_content \
                + reviews_templates_content
            informations.append({
                'title': _("Second round"),
                'type': "info",
                'priority': 1,
                'content': content,
            })
        elif not self.final or tournament.final:
            text = _("<p>The tournament {tournament} is ended. You can check the results on the "
                     "<a href='{url}'>tournament page</a>.</p>")
            url = reverse_lazy("participation:tournament_detail", args=(tournament.pk,))
            content = format_lazy(text, tournament=tournament.name, url=url)
            informations.append({
                'title': _("Tournament ended"),
                'type': "info",
                'priority': 1,
                'content': content,
            })

        return informations

    class Meta:
        verbose_name = _("participation")
        verbose_name_plural = _("participations")
        ordering = ('valid', 'team__trigram',)


class Pool(models.Model):
    tournament = models.ForeignKey(
        Tournament,
        on_delete=models.CASCADE,
        related_name="pools",
        verbose_name=_("tournament"),
    )

    round = models.PositiveSmallIntegerField(
        verbose_name=_("round"),
        choices=[
            (1, format_lazy(_("Round {round}"), round=1)),
            (2, format_lazy(_("Round {round}"), round=2)),
        ] + ([] if settings.NB_ROUNDS == 2 else [(3, format_lazy(_("Round {round}"), round=3))]),
    )

    letter = models.PositiveSmallIntegerField(
        verbose_name=_('letter'),
        choices=[
            (1, 'A'),
            (2, 'B'),
            (3, 'C'),
            (4, 'D'),
        ],
    )

    room = models.PositiveSmallIntegerField(
        verbose_name=_("room"),
        choices=[
            (1, _("Room 1")),
            (2, _("Room 2")),
        ],
        default=1,
        help_text=_("For 5-teams pools only"),
    )

    participations = models.ManyToManyField(
        Participation,
        related_name="pools",
        verbose_name=_("participations"),
    )

    juries = models.ManyToManyField(
        VolunteerRegistration,
        related_name="jury_in",
        verbose_name=_("juries"),
    )

    jury_president = models.ForeignKey(
        VolunteerRegistration,
        on_delete=models.SET_NULL,
        null=True,
        default=None,
        related_name="pools_presided",
        verbose_name=_("president of the jury"),
    )

    bbb_url = models.CharField(
        max_length=255,
        blank=True,
        default="",
        verbose_name=_("BigBlueButton URL"),
        help_text=_("The link of the BBB visio for this pool."),
    )

    results_available = models.BooleanField(
        default=False,
        verbose_name=_("results available"),
        help_text=_("Check this case when results become accessible to teams. "
                    "They stay accessible to you. Only averages are given."),
    )

    @property
    def short_name(self):
        short_name = f"{self.get_letter_display()}{self.round}"
        if self.participations.count() == 5:
            short_name += f" — {self.get_room_display()}"
        return short_name

    @property
    def solutions(self):
        return [passage.reported_solution for passage in self.passages.all()]

    @property
    def coeff(self):
        return 1 if self.round <= 2 else math.pi - 2

    def average(self, participation):
        return self.coeff * sum(passage.average(participation) for passage in self.passages.all()) \
               + sum(tweak.diff for tweak in participation.tweaks.filter(pool=self).all())

    async def aaverage(self, participation):
        return self.coeff * sum([passage.average(participation) async for passage in self.passages.all()]) \
               + sum([tweak.diff async for tweak in participation.tweaks.filter(pool=self).all()])

    def get_absolute_url(self):
        return reverse_lazy("participation:pool_detail", args=(self.pk,))

    def validate_constraints(self, exclude=None):
        if self.jury_president not in self.juries.all():
            raise ValidationError({'jury_president': _("The president of the jury must be part of the jury.")})
        return super().validate_constraints()

    def update_spreadsheet(self):  # noqa: C901
        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        pool_size = self.participations.count()
        has_observer = settings.HAS_OBSERVER and pool_size >= 4
        passage_width = 6 + (2 if has_observer else 0)
        passages = self.passages.all()

        # Create tournament sheet if it does not exist
        self.tournament.create_spreadsheet()

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        spreadsheet = gc.open_by_key(self.tournament.notes_sheet_id)
        worksheets = spreadsheet.worksheets()
        if f"{_('Pool')} {self.short_name}" not in [ws.title for ws in worksheets]:
            worksheet = spreadsheet.add_worksheet(f"{_('Pool')} {self.short_name}",
                                                  30, 2 + passages.count() * passage_width)
        else:
            worksheet = spreadsheet.worksheet(f"{_('Pool')} {self.short_name}")
        if any(ws.title == "Sheet1" for ws in worksheets):
            spreadsheet.del_worksheet(spreadsheet.worksheet("Sheet1"))

        header = [
            sum(([str(_("Problem #{problem}").format(problem=passage.solution_number))] + (passage_width - 1) * [""]
                 for passage in passages), start=[str(_("Problem")), ""]),
            sum(([_('Reporter') + f" ({passage.reporter.team.trigram})", "",
                  _('Opponent') + f" ({passage.opponent.team.trigram})", "",
                  _('Reviewer') + f" ({passage.reviewer.team.trigram})", ""]
                 + ([_('Observer') + f" ({passage.observer.team.trigram})", ""] if has_observer else [])
                 for passage in passages), start=[str(_("Role")), ""]),
            sum(([_('Writing') + f" (/{20 if settings.TFJM_APP == 'TFJM' else 10})",
                  _('Oral') + f" (/{20 if settings.TFJM_APP == 'TFJM' else 10})",
                  _('Writing') + " (/10)", _('Oral') + " (/10)", _('Writing') + " (/10)", _('Oral') + " (/10)"]
                 + ([_('Writing') + " (/10)", _('Oral') + " (/10)"] if has_observer else [])
                 for _passage in passages), start=[str(_("Juree")), ""]),
        ]

        notes = [[]]  # Begin with empty hidden line to ensure pretty design
        for jury in self.juries.all():
            line = [str(jury), jury.id]
            for passage in passages:
                note = passage.notes.filter(jury=jury).first()
                line.extend([note.reporter_writing, note.reporter_oral, note.opponent_writing, note.opponent_oral,
                             note.reviewer_writing, note.reviewer_oral])
                if has_observer:
                    line.extend([note.observer_writing, note.observer_oral])
            notes.append(line)
        notes.append([])  # Add empty line to ensure pretty design

        def getcol(number: int) -> str:
            """
            Translates the given number to the nth column name
            """
            if number == 0:
                return ''
            return getcol((number - 1) // 26) + chr(65 + (number - 1) % 26)

        average = [str(_("Average")), ""]
        coeffs = sum(([passage.coeff_reporter_writing, passage.coeff_reporter_oral,
                       passage.coeff_opponent_writing, passage.coeff_opponent_oral,
                       passage.coeff_reviewer_writing, passage.coeff_reviewer_oral]
                      + ([passage.coeff_observer_writing, passage.coeff_observer_oral] if has_observer else [])
                      for passage in passages),
                     start=[str(_("Coefficient")), ""])
        subtotal = [str(_("Subtotal")), ""]
        footer = [average, coeffs, subtotal, (2 + pool_size * passage_width) * [""]]

        min_row = 5
        max_row = min_row + self.juries.count()
        min_column = 3
        for i, passage in enumerate(passages):
            for j, note in enumerate(passage.averages):
                column = getcol(min_column + i * passage_width + j)
                average.append(f"=SIERREUR(MOYENNE.SI(${getcol(min_column + i * passage_width)}${min_row - 1}"
                               f":${getcol(min_column + i * passage_width)}{max_row}; \">0\"; "
                               f"{column}${min_row - 1}:{column}{max_row});0)")
            def_w_col = getcol(min_column + passage_width * i)
            def_o_col = getcol(min_column + passage_width * i + 1)
            subtotal.extend([f"={def_w_col}{max_row + 1} * {def_w_col}{max_row + 2}"
                             f" + {def_o_col}{max_row + 1} * {def_o_col}{max_row + 2}", ""])

            opp_w_col = getcol(min_column + passage_width * i + 2)
            opp_o_col = getcol(min_column + passage_width * i + 3)
            subtotal.extend([f"={opp_w_col}{max_row + 1} * {opp_w_col}{max_row + 2}"
                             f" + {opp_o_col}{max_row + 1} * {opp_o_col}{max_row + 2}", ""])

            rep_w_col = getcol(min_column + passage_width * i + 4)
            rep_o_col = getcol(min_column + passage_width * i + 5)
            subtotal.extend([f"={rep_w_col}{max_row + 1} * {rep_w_col}{max_row + 2}"
                             f" + {rep_o_col}{max_row + 1} * {rep_o_col}{max_row + 2}", ""])

            if has_observer:
                obs_w_col = getcol(min_column + passage_width * i + 6)
                obs_o_col = getcol(min_column + passage_width * i + 7)
                subtotal.extend([f"={obs_w_col}{max_row + 1} * {obs_w_col}{max_row + 2}"
                                 f" + {obs_o_col}{max_row + 1} * {obs_o_col}{max_row + 2}", ""])

        ranking = [
            [str(_("Team")), "", str(_("Problem")), str(_("Total")), str(_("Rank"))],
        ]
        all_passages = Passage.objects.filter(pool__tournament=self.tournament,
                                              pool__round=self.round,
                                              pool__letter=self.letter).order_by('position', 'pool__room')
        for i, passage in enumerate(all_passages):
            participation = passage.reporter
            reporter_passage = Passage.objects.get(reporter=participation,
                                                   pool__tournament=self.tournament, pool__round=self.round)
            reporter_row = 5 + reporter_passage.pool.juries.count()
            reporter_col = reporter_passage.position - 1

            opponent_passage = Passage.objects.get(opponent=participation,
                                                   pool__tournament=self.tournament, pool__round=self.round)
            opponent_row = 5 + opponent_passage.pool.juries.count()
            opponent_col = opponent_passage.position - 1

            reviewer_passage = Passage.objects.get(reviewer=participation,
                                                   pool__tournament=self.tournament, pool__round=self.round)
            reviewer_row = 5 + reviewer_passage.pool.juries.count()
            reviewer_col = reviewer_passage.position - 1

            formula = "="
            formula += (f"'{_('Pool')} {reporter_passage.pool.short_name}'"
                        f"!{getcol(min_column + reporter_col * passage_width)}{reporter_row + 3}")  # Reporter
            formula += (f" + '{_('Pool')} {opponent_passage.pool.short_name}'"
                        f"!{getcol(min_column + opponent_col * passage_width + 2)}{opponent_row + 3}")  # Opponent
            formula += (f" + '{_('Pool')} {reviewer_passage.pool.short_name}'"
                        f"!{getcol(min_column + reviewer_col * passage_width + 4)}{reviewer_row + 3}")  # reviewer
            if has_observer:
                observer_passage = Passage.objects.get(observer=participation,
                                                       pool__tournament=self.tournament, pool__round=self.round)
                observer_row = 5 + observer_passage.pool.juries.count()
                observer_col = observer_passage.position - 1
                formula += (f" + '{_('Pool')} {observer_passage.pool.short_name}'"
                            f"!{getcol(min_column + observer_col * passage_width + 6)}{observer_row + 3}")

            ranking.append([f"{participation.team.name} ({participation.team.trigram})", "",
                            f"='{_('Pool')} {reporter_passage.pool.short_name}'"
                            f"!${getcol(3 + reporter_col * passage_width)}$1",
                            formula,
                            f"=RANG(D{max_row + 6 + i}; "
                            f"D${max_row + 6}:D${max_row + 5 + pool_size})"])

        all_values = header + notes + footer + ranking

        max_col = getcol(2 + pool_size * passage_width)
        worksheet.batch_clear([f"A1:{max_col}{max_row + 5 + pool_size}"])
        worksheet.update(all_values, f"A1:{max_col}", raw=False)

        format_requests = []

        # Merge cells
        merge_cells = ["A1:B1", "A2:B2", "A3:B3"]
        for i, passage in enumerate(passages):
            merge_cells.append(f"{getcol(3 + i * passage_width)}1:{getcol(2 + passage_width + i * passage_width)}1")

            merge_cells.append(f"{getcol(3 + i * passage_width)}2:{getcol(4 + i * passage_width)}2")
            merge_cells.append(f"{getcol(5 + i * passage_width)}2:{getcol(6 + i * passage_width)}2")
            merge_cells.append(f"{getcol(7 + i * passage_width)}2:{getcol(8 + i * passage_width)}2")

            merge_cells.append(f"{getcol(3 + i * passage_width)}{max_row + 3}"
                               f":{getcol(4 + i * passage_width)}{max_row + 3}")
            merge_cells.append(f"{getcol(5 + i * passage_width)}{max_row + 3}"
                               f":{getcol(6 + i * passage_width)}{max_row + 3}")
            merge_cells.append(f"{getcol(7 + i * passage_width)}{max_row + 3}"
                               f":{getcol(8 + i * passage_width)}{max_row + 3}")

            if has_observer:
                merge_cells.append(f"{getcol(9 + i * passage_width)}2:{getcol(10 + i * passage_width)}2")
            merge_cells.append(f"{getcol(9 + i * passage_width)}{max_row + 3}"
                               f":{getcol(10 + i * passage_width)}{max_row + 3}")
        merge_cells.append(f"A{max_row + 1}:B{max_row + 1}")
        merge_cells.append(f"A{max_row + 2}:B{max_row + 2}")
        merge_cells.append(f"A{max_row + 3}:B{max_row + 3}")

        for i in range(pool_size + 1):
            merge_cells.append(f"A{max_row + 5 + i}:B{max_row + 5 + i}")

        format_requests.append({"unmergeCells": {"range": a1_range_to_grid_range(f"A1:{max_col}", worksheet.id)}})
        for name in merge_cells:
            grid_range = a1_range_to_grid_range(name, worksheet.id)
            format_requests.append({"mergeCells": {"mergeType": MergeType.merge_all, "range": grid_range}})

        # Make titles bold
        bold_ranges = [(f"A1:{max_col}", False), (f"A1:{max_col}3", True),
                       (f"A{max_row + 1}:B{max_row + 3}", True), (f"A{max_row + 5}:E{max_row + 5}", True)]
        for bold_range, bold in bold_ranges:
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(bold_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"textFormat": {"bold": bold}}},
                    "fields": "userEnteredFormat(textFormat)",
                }
            })

        # Set background color for headers and footers
        bg_colors = [(f"A1:{max_col}", (1, 1, 1)),
                     (f"A1:{getcol(2 + passages.count() * passage_width)}3", (0.8, 0.8, 0.8)),
                     (f"A{min_row - 1}:B{max_row}", (0.95, 0.95, 0.95)),
                     (f"A{max_row + 1}:B{max_row + 3}", (0.8, 0.8, 0.8)),
                     (f"C{max_row + 1}:{getcol(2 + passages.count() * passage_width)}{max_row + 3}", (0.9, 0.9, 0.9)),
                     (f"A{max_row + 5}:E{max_row + 5}", (0.8, 0.8, 0.8)),
                     (f"A{max_row + 6}:E{max_row + 5 + pool_size}", (0.9, 0.9, 0.9)),]
        # Display penalties in red
        bg_colors += [(f"{getcol(2 + (passage.position - 1) * passage_width + 2)}{max_row + 2}", (1.0, 0.7, 0.7))
                      for passage in self.passages.filter(reporter_penalties__gte=1).all()]
        for bg_range, bg_color in bg_colors:
            r, g, b = bg_color
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(bg_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"backgroundColor": {"red": r, "green": g, "blue": b}}},
                    "fields": "userEnteredFormat(backgroundColor)",
                }
            })

        # Freeze 2 first columns
        format_requests.append({
            "updateSheetProperties": {
                "properties": {
                    "sheetId": worksheet.id,
                    "gridProperties": {
                        "frozenRowCount": 0,
                        "frozenColumnCount": 2,
                    },
                },
                "fields": "gridProperties/frozenRowCount,gridProperties/frozenColumnCount",
            }
        })

        # Set the width of the columns
        column_widths = [("A", 350), ("B", 30)]
        for passage in passages:
            column_widths.append((f"{getcol(3 + passage_width * (passage.position - 1))}"
                                  f":{getcol(2 + passage_width * passage.position)}", 80))
        for column, width in column_widths:
            grid_range = a1_range_to_grid_range(column, worksheet.id)
            format_requests.append({
                "updateDimensionProperties": {
                    "range": {
                        "sheetId": worksheet.id,
                        "dimension": "COLUMNS",
                        "startIndex": grid_range['startColumnIndex'],
                        "endIndex": grid_range['endColumnIndex'],
                    },
                    "properties": {
                        "pixelSize": width,
                    },
                    "fields": "pixelSize",
                }
            })

        # Hide second column (Jury ID) and first and last jury rows
        hidden_dimensions = [(1, "COLUMNS"), (3, "ROWS"), (max_row - 1, "ROWS")]
        format_requests.append({
            "updateDimensionProperties": {
                "range": {
                    "sheetId": worksheet.id,
                    "dimension": "ROWS",
                    "startIndex": 0,
                    "endIndex": 1000,
                },
                "properties": {
                    "hiddenByUser": False,
                },
                "fields": "hiddenByUser",
            }
        })
        for dimension_id, dimension_type in hidden_dimensions:
            format_requests.append({
                "updateDimensionProperties": {
                    "range": {
                        "sheetId": worksheet.id,
                        "dimension": dimension_type,
                        "startIndex": dimension_id,
                        "endIndex": dimension_id + 1,
                    },
                    "properties": {
                        "hiddenByUser": True,
                    },
                    "fields": "hiddenByUser",
                }
            })

        # Define borders
        border_ranges = [(f"A1:{max_col}", "0000"),
                         (f"A1:{getcol(2 + passages.count() * passage_width)}{max_row + 3}", "1111"),
                         (f"A{max_row + 5}:E{max_row + pool_size + 5}", "1111"),
                         (f"A1:B{max_row + 3}", "1113"),
                         (f"C1:{getcol(2 + (passages.count() - 1) * passage_width)}1", "1113")]
        for i in range(passages.count() - 1):
            border_ranges.append((f"{getcol(1 + (i + 1) * passage_width)}2"
                                  f":{getcol(2 + (i + 1) * passage_width)}2", "1113"))
            border_ranges.append((f"{getcol(2 + (i + 1) * passage_width)}3"
                                  f":{getcol(2 + (i + 1) * passage_width)}{max_row + 2}", "1113"))
            border_ranges.append((f"{getcol(1 + (i + 1) * passage_width)}{max_row + 3}"
                                  f":{getcol(2 + (i + 1) * passage_width)}{max_row + 3}", "1113"))
        sides_names = ['top', 'bottom', 'left', 'right']
        styles = ["NONE", "SOLID", "SOLID_MEDIUM", "SOLID_THICK", "DOUBLE"]
        for border_range, sides in border_ranges:
            borders = {}
            for side_name, side in zip(sides_names, sides):
                borders[side_name] = {"style": styles[int(side)]}
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(border_range, worksheet.id),
                    "cell": {
                        "userEnteredFormat": {
                            "borders": borders,
                            "horizontalAlignment": "CENTER",
                        },
                    },
                    "fields": "userEnteredFormat(borders,horizontalAlignment)",
                }
            })

        # Add range conditions
        for i in range(passages.count()):
            for j in range(passage_width):
                column = getcol(min_column + i * passage_width + j)
                min_note = 0 if j < 7 else -10
                max_note = 20 if j < 2 and settings.TFJM_APP == "TFJM" else 10
                format_requests.append({
                    "setDataValidation": {
                        "range": a1_range_to_grid_range(f"{column}{min_row - 1}:{column}{max_row}", worksheet.id),
                        "rule": {
                            "condition": {
                                "type": "CUSTOM_FORMULA",
                                "values": [{"userEnteredValue": f'=ET(REGEXMATCH(TO_TEXT({column}4); "^-?[0-9]+$"); '
                                                                f'{column}4>={min_note}; {column}4<={max_note})'},],
                            },
                            "inputMessage": str(_("Input must be a valid integer between {min_note} and {max_note}.")
                                                .format(min_note=min_note, max_note=max_note)),
                            "strict": True,
                        },
                    }
                })

        # Set number format, display only one decimal
        number_format_ranges = [f"C{max_row + 1}:{getcol(2 + passage_width * passages.count())}{max_row + 1}",
                                f"C{max_row + 3}:{getcol(2 + passage_width * passages.count())}{max_row + 3}",
                                f"D{max_row + 6}:D{max_row + 5 + passages.count()}",]
        for number_format_range in number_format_ranges:
            format_requests.append({
                "repeatCell": {
                    "range": a1_range_to_grid_range(number_format_range, worksheet.id),
                    "cell": {"userEnteredFormat": {"numberFormat": {"type": "NUMBER", "pattern": "0.0"}}},
                    "fields": "userEnteredFormat.numberFormat",
                }
            })

        # Remove old protected ranges
        for protected_range in spreadsheet.list_protected_ranges(worksheet.id):
            format_requests.append({
                "deleteProtectedRange": {
                    "protectedRangeId": protected_range["protectedRangeId"],
                }
            })

        # Protect the header, the juries list, the footer and the ranking
        protected_ranges = [f"A1:{max_col}4",
                            f"A{min_row}:B{max_row}",
                            f"A{max_row}:{max_col}{max_row + 5 + pool_size}"]
        for protected_range in protected_ranges:
            format_requests.append({
                "addProtectedRange": {
                    "protectedRange": {
                        "range": a1_range_to_grid_range(protected_range, worksheet.id),
                        "description": str(_("Don't update the table structure for a better automated integration.")),
                        "warningOnly": True,
                    },
                }
            })

        body = {"requests": format_requests}
        worksheet.client.batch_update(spreadsheet.id, body)

    def update_juries_lines_spreadsheet(self):
        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        spreadsheet = gc.open_by_key(self.tournament.notes_sheet_id)
        worksheet = spreadsheet.worksheet(f"{_('Pool')} {self.short_name}")

        average_cell = worksheet.find(str(_("Average")))
        min_row = 5
        max_row = average_cell.row - 1
        juries_visible = worksheet.get(f"A{min_row}:B{max_row}")
        juries_visible = [t for t in juries_visible if t and len(t) == 2]
        for i, (jury_name, jury_id) in enumerate(juries_visible):
            if not jury_id.isnumeric() or int(jury_id) not in self.juries.values_list("id", flat=True):
                print(f"Warning: {jury_name} ({jury_id}) appears on the sheet but is not part of the jury.")

        for jury in self.juries.all():
            if str(jury.id) not in list(map(lambda x: x[1], juries_visible)):
                worksheet.insert_row([str(jury), jury.id], max_row)
                max_row += 1

    def parse_spreadsheet(self):
        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        self.tournament.create_spreadsheet()
        spreadsheet = gc.open_by_key(self.tournament.notes_sheet_id)
        worksheet = spreadsheet.worksheet(f"{_('Pool')} {self.short_name}")

        average_cell = worksheet.find(str(_("Average")))
        min_row = 5
        max_row = average_cell.row - 2
        data = worksheet.get_values(f"A{min_row}:AH{max_row}")
        if not data or not data[0]:
            return

        has_observer = settings.HAS_OBSERVER and self.participations.count() >= 4
        passage_width = 6 + (2 if has_observer else 0)
        for line in data:
            jury_name = line[0]
            jury_id = line[1]
            if not jury_id.isnumeric() or int(jury_id) not in self.juries.values_list("id", flat=True):
                print(format_lazy(_("The jury {jury} is not part of the jury for this pool."), jury=jury_name))
                continue

            jury = self.juries.get(id=jury_id)
            for i, passage in enumerate(self.passages.all()):
                note = passage.notes.get(jury=jury)
                note_line = line[2 + i * passage_width:2 + (i + 1) * passage_width]
                if not note_line:  # There is no note
                    continue
                note.set_all(*note_line)
                note.save()

    def __str__(self):
        return _("Pool {code} for tournament {tournament} with teams {teams}")\
            .format(code=self.short_name,
                    tournament=str(self.tournament),
                    teams=", ".join(participation.team.trigram for participation in self.participations.all()))

    class Meta:
        verbose_name = _("pool")
        verbose_name_plural = _("pools")
        ordering = ('round', 'letter', 'room',)


class Passage(models.Model):
    pool = models.ForeignKey(
        Pool,
        on_delete=models.CASCADE,
        verbose_name=_("pool"),
        related_name="passages",
    )

    position = models.PositiveSmallIntegerField(
        verbose_name=_("position"),
        choices=zip(range(1, 6), range(1, 6)),
        default=1,
        validators=[MinValueValidator(1), MaxValueValidator(5)],
    )

    solution_number = models.PositiveSmallIntegerField(
        verbose_name=_("reported solution"),
        choices=[
            (i, format_lazy(_("Problem #{problem}"), problem=i)) for i in range(1, len(settings.PROBLEMS) + 1)
        ],
    )

    reporter = models.ForeignKey(
        Participation,
        on_delete=models.PROTECT,
        verbose_name=_("reporter"),
        related_name="+",
    )

    opponent = models.ForeignKey(
        Participation,
        on_delete=models.PROTECT,
        verbose_name=_("opponent"),
        related_name="+",
    )

    reviewer = models.ForeignKey(
        Participation,
        on_delete=models.PROTECT,
        verbose_name=_("reviewer"),
        related_name="+",
    )

    observer = models.ForeignKey(
        Participation,
        on_delete=models.SET_NULL,
        verbose_name=_("observer"),
        related_name="+",
        null=True,
        blank=True,
        default=None,
    )

    reporter_penalties = models.PositiveSmallIntegerField(
        verbose_name=_("penalties"),
        default=0,
        help_text=_("Number of penalties for the reporter. "
                    "The reporter will loose a 0.5 coefficient per penalty."),
    )

    @property
    def reported_solution(self) -> "Solution":
        return Solution.objects.get(
            participation=self.reporter,
            problem=self.solution_number,
            final_solution=self.pool.tournament.final)

    def avg(self, iterator) -> float:
        items = [i for i in iterator if i]
        return sum(items) / len(items) if items else 0

    @property
    def average_reporter_writing(self) -> float:
        return self.avg(note.reporter_writing for note in self.notes.all())

    @property
    def coeff_reporter_writing(self) -> float:
        return 1 if settings.TFJM_APP == "TFJM" else 2

    @property
    def average_reporter_oral(self) -> float:
        return self.avg(note.reporter_oral for note in self.notes.all())

    @property
    def coeff_reporter_oral(self) -> float:
        coeff = 1.6 if settings.TFJM_APP == "TFJM" else 3
        coeff *= 1 - 0.25 * self.reporter_penalties
        return coeff

    @property
    def average_reporter(self) -> float:
        return (self.coeff_reporter_writing * self.average_reporter_writing
                + self.coeff_reporter_oral * self.average_reporter_oral)

    @property
    def average_opponent_writing(self) -> float:
        return self.avg(note.opponent_writing for note in self.notes.all())

    @property
    def coeff_opponent_writing(self) -> float:
        return 0.9 if not self.observer else 0.6

    @property
    def average_opponent_oral(self) -> float:
        return self.avg(note.opponent_oral for note in self.notes.all())

    @property
    def coeff_opponent_oral(self) -> float:
        return 2

    @property
    def average_opponent(self) -> float:
        return (self.coeff_opponent_writing * self.average_opponent_writing
                + self.coeff_opponent_oral * self.average_opponent_oral)

    @property
    def average_reviewer_writing(self) -> float:
        return self.avg(note.reviewer_writing for note in self.notes.all())

    @property
    def coeff_reviewer_writing(self):
        return 0.9 if not self.observer else 0.6

    @property
    def average_reviewer_oral(self) -> float:
        return self.avg(note.reviewer_oral for note in self.notes.all())

    @property
    def coeff_reviewer_oral(self):
        return 1 if settings.TFJM_APP == "TFJM" else 1.2

    @property
    def average_reviewer(self) -> float:
        return (self.coeff_reviewer_writing * self.average_reviewer_writing
                + self.coeff_reviewer_oral * self.average_reviewer_oral)

    @property
    def average_observer_writing(self) -> float:
        return self.avg(note.observer_writing for note in self.notes.all())

    @property
    def coeff_observer_writing(self):
        return 0.6

    @property
    def average_observer_oral(self) -> float:
        return self.avg(note.observer_oral for note in self.notes.all())

    @property
    def coeff_observer_oral(self):
        return 0.5

    @property
    def average_observer(self) -> float:
        return (self.coeff_observer_writing * self.average_observer_writing
                + self.coeff_observer_oral * self.average_observer_oral)

    @property
    def averages(self):
        yield self.average_reporter_writing
        yield self.average_reporter_oral
        yield self.average_opponent_writing
        yield self.average_opponent_oral
        yield self.average_reviewer_writing
        yield self.average_reviewer_oral
        if self.observer:
            yield self.average_observer_writing
            yield self.average_observer_oral

    def average(self, participation):
        avg = self.average_reporter if participation == self.reporter else self.average_opponent \
            if participation == self.opponent else self.average_reviewer if participation == self.reviewer \
            else self.average_observer if participation == self.observer else 0
        avg *= self.pool.coeff

        return avg

    def get_absolute_url(self):
        return reverse_lazy("participation:passage_detail", args=(self.pk,))

    def clean(self):
        if self.reporter not in self.pool.participations.all():
            raise ValidationError(_("Team {trigram} is not registered in the pool.")
                                  .format(trigram=self.reporter.team.trigram))
        if self.opponent not in self.pool.participations.all():
            raise ValidationError(_("Team {trigram} is not registered in the pool.")
                                  .format(trigram=self.opponent.team.trigram))
        if self.reviewer not in self.pool.participations.all():
            raise ValidationError(_("Team {trigram} is not registered in the pool.")
                                  .format(trigram=self.reviewer.team.trigram))
        if self.observer and self.observer not in self.pool.participations.all():
            raise ValidationError(_("Team {trigram} is not registered in the pool.")
                                  .format(trigram=self.observer.team.trigram))
        return super().clean()

    def __str__(self):
        return _("Passage of {reporter} for problem {problem}")\
            .format(reporter=self.reporter.team, problem=self.solution_number)

    class Meta:
        verbose_name = _("passage")
        verbose_name_plural = _("passages")
        ordering = ('pool', 'position',)


class Tweak(models.Model):
    pool = models.ForeignKey(
        Pool,
        on_delete=models.CASCADE,
        verbose_name=_("passage"),
    )

    participation = models.ForeignKey(
        Participation,
        on_delete=models.CASCADE,
        verbose_name=_("participation"),
        related_name='tweaks',
    )

    diff = models.IntegerField(
        verbose_name=_("difference"),
        help_text=_("Score to add/remove on the final score"),
    )

    def __str__(self):
        return f"Tweak for {self.participation.team} of {self.diff} points"

    class Meta:
        verbose_name = _("tweak")
        verbose_name_plural = _("tweaks")


def get_solution_filename(instance, filename):
    return f"solutions/{instance.participation.team.trigram}_{instance.problem}" \
           + ("_final" if instance.final_solution else "")


def get_review_filename(instance, filename):
    return f"reviews/{instance.participation.team.trigram}_{instance.type}_{instance.passage.pk}"


def get_synthesis_filename(instance, filename):
    return get_review_filename(instance, filename)


class Solution(models.Model):
    participation = models.ForeignKey(
        Participation,
        on_delete=models.CASCADE,
        verbose_name=_("participation"),
        related_name="solutions",
    )

    problem = models.PositiveSmallIntegerField(
        verbose_name=_("problem"),
        choices=[
            (i, format_lazy(_("Problem #{problem}"), problem=i)) for i in range(1, len(settings.PROBLEMS) + 1)
        ],
    )

    final_solution = models.BooleanField(
        verbose_name=_("solution for the final tournament"),
        default=False,
    )

    file = models.FileField(
        verbose_name=_("file"),
        upload_to=get_solution_filename,
        unique=True,
    )

    @property
    def tournament(self):
        return Tournament.final_tournament() if self.final_solution else self.participation.tournament

    def __str__(self):
        return _("Solution of team {team} for problem {problem}")\
            .format(team=self.participation.team.name, problem=self.problem)\
            + (" " + str(_("for final")) if self.final_solution else "")

    class Meta:
        verbose_name = _("solution")
        verbose_name_plural = _("solutions")
        unique_together = (('participation', 'problem', 'final_solution', ), )
        ordering = ('participation__team__trigram', 'final_solution', 'problem',)


class WrittenReview(models.Model):
    participation = models.ForeignKey(
        Participation,
        on_delete=models.CASCADE,
        verbose_name=_("participation"),
    )

    passage = models.ForeignKey(
        Passage,
        on_delete=models.CASCADE,
        related_name="written_reviews",
        verbose_name=_("passage"),
    )

    type = models.PositiveSmallIntegerField(
        choices=[
            (1, _("opponent"), ),
            (2, _("reviewer"), ),
            (3, _("observer"), ),
        ]
    )

    file = models.FileField(
        verbose_name=_("file"),
        upload_to=get_synthesis_filename,
        unique=True,
    )

    def __str__(self):
        return _("Written review of {team} as {type} for problem {problem} of {reporter}").format(
            team=self.participation.team.trigram,
            type=self.get_type_display(),
            problem=self.passage.solution_number,
            reporter=self.passage.reporter.team.trigram,
        )

    class Meta:
        verbose_name = _("written review")
        verbose_name_plural = _("written reviews")
        unique_together = (('participation', 'passage', 'type', ), )
        ordering = ('passage__pool__round', 'type',)


class Note(models.Model):
    jury = models.ForeignKey(
        VolunteerRegistration,
        on_delete=models.CASCADE,
        verbose_name=_("jury"),
        related_name="notes",
    )

    passage = models.ForeignKey(
        Passage,
        on_delete=models.CASCADE,
        verbose_name=_("passage"),
        related_name="notes",
    )

    reporter_writing = models.PositiveSmallIntegerField(
        verbose_name=_("reporter writing note"),
        choices=[(i, i) for i in range(0, 21)],
        default=0,
    )

    reporter_oral = models.PositiveSmallIntegerField(
        verbose_name=_("reporter oral note"),
        choices=[(i, i) for i in range(0, 21)],
        default=0,
    )

    opponent_writing = models.PositiveSmallIntegerField(
        verbose_name=_("opponent writing note"),
        choices=[(i, i) for i in range(0, 11)],
        default=0,
    )

    opponent_oral = models.PositiveSmallIntegerField(
        verbose_name=_("opponent oral note"),
        choices=[(i, i) for i in range(0, 11)],
        default=0,
    )

    reviewer_writing = models.PositiveSmallIntegerField(
        verbose_name=_("reviewer writing note"),
        choices=[(i, i) for i in range(0, 11)],
        default=0,
    )

    reviewer_oral = models.PositiveSmallIntegerField(
        verbose_name=_("reviewer oral note"),
        choices=[(i, i) for i in range(0, 11)],
        default=0,
    )

    observer_writing = models.PositiveSmallIntegerField(
        verbose_name=_("observer writing note"),
        choices=[(i, i) for i in range(0, 11)],
        default=0,
    )

    observer_oral = models.SmallIntegerField(
        verbose_name=_("observer oral note"),
        choices=[(i, i) for i in range(-10, 11)],
        default=0,
    )

    def get_all(self):
        yield self.reporter_writing
        yield self.reporter_oral
        yield self.opponent_writing
        yield self.opponent_oral
        yield self.reviewer_writing
        yield self.reviewer_oral
        if self.passage.observer:
            yield self.observer_writing
            yield self.observer_oral

    def set_all(self, reporter_writing: int, reporter_oral: int, opponent_writing: int, opponent_oral: int,
                reviewer_writing: int, reviewer_oral: int, observer_writing: int = 0, observer_oral: int = 0):
        self.reporter_writing = reporter_writing
        self.reporter_oral = reporter_oral
        self.opponent_writing = opponent_writing
        self.opponent_oral = opponent_oral
        self.reviewer_writing = reviewer_writing
        self.reviewer_oral = reviewer_oral
        self.observer_writing = observer_writing
        self.observer_oral = observer_oral

    def update_spreadsheet(self):
        if not self.has_any_note():
            return

        translation.activate(settings.PREFERRED_LANGUAGE_CODE)

        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
        passage = Passage.objects.prefetch_related('pool__tournament', 'pool__participations').get(pk=self.passage.pk)
        spreadsheet_id = passage.pool.tournament.notes_sheet_id
        spreadsheet = gc.open_by_key(spreadsheet_id)
        worksheet = spreadsheet.worksheet(f"{_('Pool')} {passage.pool.short_name}")
        jury_id_cell = worksheet.find(str(self.jury_id), in_column=2)
        if not jury_id_cell:
            raise ValueError("The jury ID cell was not found in the spreadsheet.")
        jury_row = jury_id_cell.row
        passage_width = 6 + (2 if passage.observer else 0)

        def getcol(number: int) -> str:
            if number == 0:
                return ''
            return getcol((number - 1) // 26) + chr(65 + (number - 1) % 26)

        min_col = getcol(3 + (self.passage.position - 1) * passage_width)
        max_col = getcol(3 + self.passage.position * passage_width - 1)

        worksheet.update([list(self.get_all())], f"{min_col}{jury_row}:{max_col}{jury_row}")

    def get_absolute_url(self):
        return reverse_lazy("participation:passage_detail", args=(self.passage.pk,))

    @property
    def modal_name(self):
        return f"updateNotes{self.pk}"

    def has_any_note(self):
        return any(self.get_all())

    def __str__(self):
        return _("Notes of {jury} for {passage}").format(jury=self.jury, passage=self.passage)

    class Meta:
        verbose_name = _("note")
        verbose_name_plural = _("notes")