<?php

include 'config.php';

if (isset($_POST["leave_team"])) {
    for ($i = 1; $i <= ($_SESSION["role"] == "PARTICIPANT" ? 6 : 2); ++$i)
        /** @noinspection SqlResolve */
        $DB->exec("UPDATE `teams` SET `" . strtolower($_SESSION["role"]) . "_$i` = NULL WHERE `" . strtolower($_SESSION["role"]) . "_$i` = " . $_SESSION["user_id"] . ";");
    $DB->exec("UPDATE `users` SET `team_id` = NULL WHERE `id` = " . $_SESSION["user_id"] . ";");
    $DB->exec("UPDATE `teams` SET `encadrant_1` = `encadrant_2`, `encadrant_2` = NULL WHERE `encadrant_1` IS NULL;");
    for ($i = 1; $i <= 5; ++$i) {
        /** @noinspection SqlResolve */
        $DB->exec("UPDATE `teams` SET `participant_$i` = `participant_" . strval($i + 1) . "`, `participant_" . strval($i + 1) . "` = NULL WHERE `participant_$i` IS NULL;");
    }

    $req = $DB->query("SELECT `file_id` FROM `documents` WHERE `user` = '" . $_SESSION["user_id"] . "';");
    while (($data = $req->fetch()) !== false)
        unlink("$URL_BASE/files/" . $data["file_id"]);
    $DB->exec("DELETE FROM `documents` WHERE `user` = '" . $_SESSION["user_id"] . "';");

    if ($DB->exec("DELETE FROM `teams` WHERE `encadrant_1` IS NULL AND `participant_1` IS NULL;") > 0) {
		$req = $DB->query("SELECT `file_id` FROM `solutions` WHERE `team` = '" . $_SESSION["team_id"] . "';");
		while (($data = $req->fetch()) !== false)
			unlink("$URL_BASE/files/" . $data["file_id"]);
        $DB->exec("DELETE FROM `solutions` WHERE `team` = " . $_SESSION["team_id"] . ";");

		$req = $DB->query("SELECT `file_id` FROM `syntheses` WHERE `team` = '" . $_SESSION["team_id"] . "';");
		while (($data = $req->fetch()) !== false)
			unlink("$URL_BASE/files/" . $data["file_id"]);
		$DB->exec("DELETE FROM `syntheses` WHERE `team` = " . $_SESSION["team_id"] . ";");
    }
    unset($_SESSION["team_id"]);
    unset($_SESSION["team_validation_status"]);
    header("Location: $URL_BASE");
    exit();
}

$tournaments_response = $DB->query("SELECT `id`, `name` FROM `tournaments` WHERE `year` = '$YEAR';");

if (isset($_POST["send_document"])) {
    sendDocument();
}

if (isset($_POST["request_validation"])) {
    $DB->exec("UPDATE `teams` SET `validation_status` = 'WAITING' WHERE `id` = " . $_SESSION["team_id"] . ";");
    $_SESSION["team_validation_status"] = "WAITING";
}

if (isset($_SESSION["user_id"]) && isset($_SESSION["team_id"])) {
    $result = $DB->query("SELECT * FROM `teams` WHERE `id` = '" . $_SESSION["team_id"] . "' AND `year` = '$YEAR';");
    $team_data = $result->fetch();

    $tournament_data = $DB->query("SELECT `name`, `date_start` FROM `tournaments` WHERE `id` = '" . $team_data["tournament"] . "' AND `year` = '$YEAR';")->fetch();

	$documents_req = $DB->prepare("SELECT `file_id`, `type`, COUNT(`type`) AS `version` FROM `documents` WHERE `user` = ? GROUP BY `type` ORDER BY `type` ASC, `uploaded_at` DESC;");
	$documents_req->execute([$_SESSION["user_id"]]);
}

if (isset($_POST["team_edit"])) {
	$error_message = updateTeam();
}

function sendDocument() {
	global $LOCAL_PATH, $DB;

	$type = strtoupper(htmlspecialchars($_POST["type"]));
	if (!isset($type) || ($type != "PARENTAL_CONSENT" && $type != "PHOTO_CONSENT" && $type != "SANITARY_PLUG"))
	    return "Le type de document est invalide. Merci de ne pas formuler vos propres requêtes.";

	$file = $_FILES["document"];

	if ($file["size"] > 5000000 || $file["error"])
		return "Une erreur est survenue. Merci de vérifier que le fichier pèse moins que 5 Mo.";

	if (finfo_file(finfo_open(FILEINFO_MIME_TYPE), $file["tmp_name"]) != 'application/pdf')
		return "Le fichier doit être au format PDF.";

	if (!is_dir("$LOCAL_PATH/files") && !mkdir("$LOCAL_PATH/files"))
		return "Les droits sont insuffisants. Veuillez contacter l'administrateur du serveur.";

	$alphabet = "abcdefghijklmnopqrstuvwxyz0123456789";

	do {
		$id = "";
		for ($i = 0; $i < 64; ++$i) {
			$id .= $alphabet[rand(0, strlen($alphabet) - 1)];
		}
	}
	while (file_exists("$LOCAL_PATH/files/$id"));

	if (!rename($file["tmp_name"], "$LOCAL_PATH/files/$id"))
		return "Une erreur est survenue lors de l'envoi du fichier.";

	$req = $DB->prepare("INSERT INTO `documents`(`file_id`, `user`, `team`, `tournament`, `type`)
                VALUES (?, ?, ?, ?, ?);");
	$req->execute([$id, $_SESSION["user_id"], $_SESSION["team_id"], $_SESSION["tournament_id"], $type]);

	return false;
}

function updateTeam() {
	global $DB, $YEAR, $URL_BASE, $MAIL_ADDRESS, $team_data;

	if ($_SESSION["team_id"] == NULL)
		return "Vous n'êtes pas dans une équipe.";

	$name = htmlspecialchars($_POST["name"]);

	if (!isset($name) || $name == "")
		return "Vous devez spécifier un nom d'équipe.";

	echo $team_data["id"];
	$result = $DB->query("SELECT `id` FROM `teams` WHERE `name` = '" . $name . "' AND `id` != " . $team_data["id"] . " AND `year` = '$YEAR';");
	if ($result->fetch())
		return "Une équipe existe déjà avec ce nom." . $team_data["id"];

	$trigram = strtoupper(htmlspecialchars($_POST["trigram"]));

	if (!preg_match("#^[A-Z][A-Z][A-Z]$#", $trigram))
		return "Le trigramme entré n'est pas valide.";

	$result = $DB->query("SELECT `id` FROM `teams` WHERE `trigram` = '" . $trigram . "' AND `id` != '" . $team_data["id"] . "' AND `year` = '$YEAR';");
	if ($result->fetch())
		return "Une équipe a déjà choisi ce trigramme.";

	$tournament_id = intval(htmlspecialchars($_POST["tournament"]));

	$result = $DB->query("SELECT `id`, `name` FROM `tournaments` WHERE `id` = '" . $tournament_id . "' AND `year` = '$YEAR';");
	$data = $result->fetch();
	if ($data === FALSE)
		return "Le tournoi spécifié n'existe pas.";

	$req = $DB->prepare("UPDATE `teams` SET `name` = ?, `trigram` = ?, `tournament` = ? WHERE `id` = ?;");
	$req->execute([$name, $trigram, $tournament_id, $team_data["id"]]);

	header("Location: $URL_BASE/mon_equipe");

	return false;
}

?>

<?php include "header.php" ?>

<?php if (!isset($_SESSION["user_id"]) || !isset($_SESSION["team_id"]) || $_SESSION["team_id"] == NULL) {
    echo "<h2>Vous devez être dans une équipe pour afficher cette page.</h2>";
    include "footer.php";
    return;
} ?>

<?php if (isset($error_message)) {
	if ($error_message !== false) {
		echo "<h2>Erreur : " . $error_message . "</h2>";
	}
	else {
		echo "<h2>Le fichier a été correctement envoyé !</h2>";
	}
}?>

<h2>Informations sur l'équipe</h2>

Nom de l'équipe : <?php echo $team_data["name"] ?><br />
Trigramme : <?php echo $team_data["trigram"] ?><br />
Tournoi : <?php echo $tournament_data["name"] ?><br />
<?php
for ($i = 1; $i <= 2; ++$i) {
    if ($team_data["encadrant_" . $i] == NULL)
        continue;
    $user_data = $DB->query("SELECT `surname`, `first_name` FROM `users` WHERE `id` = " . $team_data["encadrant_" . $i] . " AND `year` = '$YEAR';")->fetch();
    echo "Encadrant $i : " . $user_data["first_name"] . " " . $user_data["surname"] . "<br />";
}
for ($i = 1; $i <= 6; ++$i) {
    if ($team_data["participant_" . $i] == NULL)
        continue;
    $user_data = $DB->query("SELECT `surname`, `first_name` FROM `users` WHERE `id` = " . $team_data["participant_" . $i] . " AND `year` = '$YEAR';")->fetch();
    echo "Participant $i : " . $user_data["first_name"] . " " . $user_data["surname"] . "<br />";
}
?>
Code d'accès : <strong><?php echo $team_data["access_code"] ?></strong><br />

<?php if (isset($_GET["modifier"])) { ?>

    <form method="POST">
        <input type="hidden" name="team_edit" value="true" />
        <table style="width: 100%;">
            <tbody>
            <tr>
                <td style="width: 30%;">
                    <label for="name">Nom :</label>
                </td>
                <td style="width: 70%;">
                    <input style="width: 100%;" type="text" id="name" name="name" value="<?= $team_data["name"] ?>" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="trigram">Trigramme :</label>
                </td>
                <td>
                    <input style="width: 100%;" type="text" id="trigram" name="trigram" value="<?= $team_data["trigram"] ?>" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="tournament">Tournoi :</label>
                </td>
                <td>
                    <select style="width: 100%;" id="tournament" name="tournament">
						<?php
						while (($data = $tournaments_response->fetch()) !== FALSE) {
							echo "<option value=\"" . $data["id"] . "\">" . $data["name"] . "</option>\n";
						}
						?>
                    </select>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <input style="width: 100%;" type="submit" value="Modifier l'équipe" />
                </td>
            </tr>
            </tbody>
        </table>
    </form>

<?php } else { ?>

<?php if ($_SESSION["team_validation_status"] == "NOT_READY") { ?>
    <a href="<?= $URL_BASE ?>/mon_equipe/modifier">Modifier mon équipe</a>
    <hr />
    <h2>Mes autorisations</h2>
	<?php
	while (($data = $documents_req->fetch()) !== false) {
		$file_id = $data["file_id"];
		$type = $data["type"];
		$version = $data["version"];
		switch ($data["type"]) {
			case "PARENTAL_CONSENT":
				$name = "Autorisation parentale";
				break;
			case "PHOTO_CONSENT":
				$name = "Autorisation de droit à l'image";
				break;
			case "SANITARY_PLUG":
				$name = "Fiche sanitaire";
				break;
		}
		echo "$name : <a href=\"$URL_BASE/file/$file_id\">Télécharger</a><br />";
	}
	?>

    <form method="post" enctype="multipart/form-data">
        <input type="hidden" name="MAX_FILE_SIZE" value="5000000" />
        <table>
            <tbody>
            <tr>
                <td>
                    <label for="type">Type de document :</label>
                </td>
                <td>
                    <select id="type" name="type">
                        <?php if ($_SESSION["birth_date"] > strval($YEAR - 18) . substr($tournament_data["date_start"], 4)) { ?>
                            <option value="parental_consent">Autorisation parentale</option>
                        <?php } ?>
                        <option value="photo_consent">Autorisation de droit à l'image</option>
                        <option value="sanitary_plug">Fiche sanitaire</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="file">Fichier :</label>
                </td>
                <td>
                    <input type="file" id="file" name="document" />
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <input style="width: 100%;" type="submit" name="send_document" value="Envoyer" />
                </td>
            </tr>
            </tbody>
        </table>
    </form>
    <form method="post">
        <input type="submit" name="leave_team" value="Quitter l'équipe" />
    </form>
    <form method="post">
        <input type="submit" name="request_validation" value="Demander la validation" />
    </form>
<?php } ?>
<?php } ?>

<?php include "footer.php" ?>