<?php

if (!isset($_SESSION["user_id"]) || $_SESSION["role"] != Role::ADMIN)
	require_once "server_files/403.php";

$trigram = htmlspecialchars($_GET["trigram"]);

$team = Team::fromTrigram($trigram);

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

if (isset($_POST["validate"])) {
    $team->setValidationStatus(ValidationStatus::VALIDATED);
    Mailer::sendValidateTeam($team, $_POST["message"]);
}
elseif (isset($_POST["unvalidate"])) {
    $team->setValidationStatus(ValidationStatus::NOT_READY);
    Mailer::sendUnvalidateTeam($team, $_POST["message"]);
}
elseif (isset($_POST["select_problem"])) {
	if ($team->getValidationStatus() == ValidationStatus::NOT_READY) {
		$problem = $_POST["select_problem"];
		if (preg_match("#[0-4]#", $problem)) {
			$team->setProblem($problem);
			$DB->prepare("UPDATE `documents` SET `problem` = ? WHERE `team` = ?;")->execute([$problem, $team->getId()]);
		}
		else {
			$has_error = true;
			$error_message = "Le problème indiqué n'existe pas.";
		}
	}
	else {
		$has_error = true;
		$error_message = "Cette équipe est déjà validée ou en cours de validation.";
	}
}
elseif (isset($_POST["delete_team"])) {
	if ($team->getValidationStatus() == ValidationStatus::NOT_READY) {
		$documents = Document::getAllDocuments($team->getProblem(), $team->getId());
		/** @var Document $doc */
		foreach ($documents as $doc)
			unlink($LOCAL_PATH . "/files/" . $doc->getFileId());
		$DB->prepare("DELETE FROM `documents` WHERE `team` = ?;")->execute([$team->getId()]);
		$DB->prepare("DELETE FROM `teams` WHERE `id` = ?;")->execute([$team->getId()]);
		$DB->prepare("UPDATE `users` SET `team_id` = NULL WHERE `team_id` = ?;")->execute([$team->getId()]);
		header("Location: /");
		exit(0);
	}
	else {
		$has_error = true;
		$error_message = "Cette équipe est déjà validée ou en cours de validation.";
	}
}

if (isset($_POST["download_zip"])) {
	$file_name = getZipFile($team->getProblem(), $team->getId());

	header("Content-Type: application/zip");
	header("Content-Disposition: attachment; filename=\"Documents de l'équipe " . $team->getTrigram() . ".zip\"");
	header("Content-Length: " . strval(filesize($file_name)));

	readfile($file_name);

	exit();
}

if (isset($_POST["update_video_teams"])) {
	$update_video_teams = new UpdateVideoTeams($_POST);
	try {
		$update_video_teams->makeVerifications();
		$update_video_teams->update();
	} catch (AssertionError $e) {
		$has_error = true;
		$error_message = $e->getMessage();
	}
}

class UpdateVideoTeams
{
	private $other_teams;

	public function __construct($data)
	{
		foreach ($data as $key => $value)
			$this->$key = $value;
	}

	public function makeVerifications()
	{
		global $team;

		ensure(Phase::getCurrentPhase() <= Phase::PHASE2, "Il est trop tard pour réaffecter les vidéos aux équipes.");
		ensure($team->getSolution() != null, "L'équipe doit avoir soumis une vidéo.");
		ensure($team->getSolution()->getValidation() == ValidationStatus::VALIDATED - 1, "L'équipe doit avoir soumis une vidéo validée.");
		ensure(sizeof($this->other_teams) == 2, "L'équipe doit recevoir exactement deux vidéos.");
		ensure(Team::fromId($this->other_teams[0]) != null, "La première équipe n'existe pas.");
		ensure(Team::fromId($this->other_teams[1]) != null, "La seconde équipe n'existe pas.");
	}

	public function update()
	{
		global $team;

		$team->setVideoTeamIds($this->other_teams);
	}
}

$other_teams = Team::getAllTeams($team->getProblem(), true, true);
$documents = Document::getAllDocuments($team->getProblem(), $team->getId());

require_once "server_files/views/equipe.php";