# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017-2019 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

from django.contrib import admin
from django.contrib import messages
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.contrib.auth.forms import PasswordResetForm
from django.urls import reverse
from django.utils.html import format_html
from django.utils.translation import ugettext_lazy as _
from reversion.admin import VersionAdmin
from med.admin import admin_site

from .models import User


class IsMemberFilter(admin.SimpleListFilter):
    title = _('membership status')
    parameter_name = 'is_member'

    def lookups(self, request, model_admin):
        return (
            ('Yes', _('Yes')),
        )

    def queryset(self, request, queryset):
        # FIXME Replace with imported Note Kfet memberships
        return queryset


class UserAdmin(VersionAdmin, BaseUserAdmin):
    # Customize admin to add more fields
    fieldsets = (
        (None, {'fields': ('username', 'password')}),
        (_('Personal info'), {'fields': ('first_name', 'last_name', 'email',
                                         'phone_number', 'address',
                                         'comment')}),
        (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser',
                                       'groups', 'user_permissions')}),
        (_('Important dates'), {'fields': ('last_login', 'date_joined')}),
    )
    list_display = ('username', 'email', 'first_name', 'last_name',
                    'is_member', 'is_staff')
    list_filter = (IsMemberFilter, 'is_staff', 'is_superuser', 'is_active',
                   'groups')

    def save_model(self, request, obj, form, change):
        """
        On creation, send a password init mail
        """
        super().save_model(request, obj, form, change)

        if not change:
            # Virtually fill the password reset form
            password_reset = PasswordResetForm(data={'email': obj.email})
            if password_reset.is_valid():
                password_reset.save(request=request,
                                    use_https=request.is_secure())
                messages.success(request, _("An email to set the password"
                                            " was sent."))
            else:
                messages.error(request, _("The email is invalid."))

    def is_member(self, obj):
        """
        Get current membership year and check if user is there
        """
        # FIXME Use NK20
        is_member = True
        if is_member:
            return format_html(
                '<img src="/static/admin/img/icon-yes.svg" alt="True">'
            )
        else:
            return format_html(
                '<img src="/static/admin/img/icon-no.svg" alt="False"> '
                '<a class="button" href="{}">{}</a>',
                reverse('users:adherer', args=[obj.pk]),
                _('Adhere')
            )

    is_member.short_description = _('is member')
    is_member.allow_tags = True


admin_site.register(User, UserAdmin)