<?php

$tournament_name = htmlspecialchars($_GET["name"]);
$tournament = Tournament::fromName($tournament_name);

if ($tournament === null)
	require_once "server_files/404.php";

if (isset($_GET["modifier"]) && $_SESSION["role"] != Role::ADMIN && !$tournament->organize($_SESSION["user_id"]))
    require_once "server_files/403.php";

$has_error = false;
$error_message = null;

if (isset($_POST["edit_tournament"])) {
	$update_tournament = new UpdateTournament($_POST);
	try {
		$update_tournament->makeVerifications();
		$update_tournament->updateTournament();
	} catch (AssertionError $e) {
		$has_error = true;
		$error_message = $e->getMessage();
	}
}

$orgas = $tournament->getOrganizers();
$teams = $tournament->getAllTeams();
$orgas_response = $DB->query("SELECT `id`, `surname`, `first_name` FROM `users` WHERE (`role` = 'ORGANIZER' OR `role` = 'ADMIN') AND `year` = '$YEAR';");

class UpdateTournament
{
	public $name;
	public $organizers;
	public $size;
	public $place;
	public $price;
	public $date_start;
	public $date_end;
	public $date_inscription;
	public $time_inscription;
	public $date_solutions;
	public $time_solutions;
	public $date_syntheses;
	public $time_syntheses;
	public $description;
	public $final;

	public function __construct($data)
	{
		global $tournament;

		foreach ($data as $key => $value)
			$this->$key = ($key == "organizers" ? $value : htmlspecialchars($value));

		if ($_SESSION["role"] != Role::ADMIN) {
			$this->organizers = [];
			/** @var User $organizer */
			foreach ($tournament->getOrganizers() as $organizer)
				$this->organizers[] = $organizer->getId();
		}
	}

	public function makeVerifications()
	{
		global $tournament;

		ensure($this->name != null && $this->name != "", "Le nom est invalide.");
		ensure($this->name == $tournament->getName() || !tournamentExists($this->name), "Un tournoi existe déjà avec ce nom.");
		ensure(sizeof($this->organizers) > 0, "Aucun organisateur n'a été choisi.");

		$orgas = [];
		foreach ($this->organizers as $orga_id) {
			$orga = User::fromId($orga_id);
			ensure($orga != null, "Un organisateur spécifié n'existe pas.");
			ensure($orga->getRole() == Role::ORGANIZER || $orga->getRole() == Role::ADMIN, "Une personne indiquée ne peut pas organiser de tournoi.");
			$orgas[] = $orga;
		}
		$this->organizers = $orgas;

		ensure(preg_match("#[0-9]*#", $this->size), "Le nombre d'équipes indiqué n'est pas un nombre valide.");
		$this->size = intval($this->size);
		ensure($this->size >= 3 && $this->size <= 15, "Un tournoi doit avoir au moins 3 et au plus 15 équipes.");

		ensure(dateWellFormed($this->date_start), "La date de début n'est pas valide.");
		ensure(dateWellFormed($this->date_end), "La date de fin n'est pas valide.");
		ensure(dateWellFormed($this->date_inscription . " " . $this->time_inscription), "La date de clôture des inscriptions n'est pas valide.");
		ensure(dateWellFormed($this->date_solutions . " " . $this->time_solutions), "La date limite de remise des solutions n'est pas valide.");
		ensure(dateWellFormed($this->date_syntheses . " " . $this->time_syntheses), "La date limite de remise des notes de synthèse n'est pas valide.");
	}

	public function updateTournament()
	{
		global $URL_BASE, $tournament;

		$tournament->setName($this->name);
		$tournament->setSize($this->size);
		$tournament->setPlace($this->place);
		$tournament->setPrice($this->price);
		$tournament->setStartDate($this->date_start);
		$tournament->setEndDate($this->date_end);
		$tournament->setInscriptionDate("$this->date_inscription $this->time_inscription");
		$tournament->setSolutionsDate("$this->date_solutions $this->time_solutions");
		$tournament->setSynthesesDate("$this->date_syntheses $this->time_syntheses");

		foreach ($this->organizers as $organizer) {
			if (!$tournament->organize($organizer->getId()))
				Mailer::sendAddOrganizerForTournamentMail($organizer, $tournament);
		}

		$tournament->clearOrganizers();
		/** @var User $organizer */
		foreach ($this->organizers as $organizer)
			$tournament->addOrganizer($organizer);

		header("Location: $URL_BASE/tournoi/" . $this->name);
		exit();
	}
}

require_once "server_files/views/tournoi.php";