<?php include 'config.php'; ?>

<?php

if (isset($_POST["download_zip"])) {
    $id = $_POST["tournament"];
    $tournament_name = $_POST["tournament_name"];
    $files_req = $DB->query("SELECT *, COUNT(`problem`) AS `version` FROM `solutions` WHERE `tournament` = '$id' GROUP BY `team`, `problem` ORDER BY `team`, `problem`, `uploaded_at` DESC;");

    $zip = new ZipArchive();

	$temp = tempnam("tmp", "tfjm-");

	if ($zip->open($temp, ZipArchive::CREATE) !== true) {
	    die("Impossible de créer le fichier zip.");
    }

    while (($data_file = $files_req->fetch()) !== false) {
        $file_id = $data_file["file_id"];
        $problem = $data_file["problem"];
        $version = $data_file["version"];
        $team_id = $data_file["team"];
        $team_data = $DB->query("SELECT `name`, `trigram` FROM `teams` WHERE `id` = '$team_id' AND `year` = $YEAR;")->fetch();
        $team_name = $team_data["name"];
        $team_trigram = $team_data["trigram"];

        $zip->addFile("$LOCAL_PATH/files/$file_id", "Problème $problem $team_trigram.pdf");
    }

	$zip->close();

	header("Content-Type: application/zip");
	header("Content-Disposition: attachment; filename=\"Solutions du tournoi de $tournament_name.zip\"");
	header("Content-Length: " . strval(filesize($temp) + 1));

	readfile($temp);

	exit();
}

?>

<?php include 'header.php'; ?>

<?php

$req = $DB->query("SELECT `tournaments`.`id`, `name` FROM `tournaments` JOIN `organizers` ON `tournament` = `tournaments`.`id` WHERE "
        . ($_SESSION["role"] == "ADMIN" ? "" : "`organizer` = '" . $_SESSION["user_id"] . "' AND ")
        . "`year` = $YEAR GROUP BY `tournament` ORDER BY `name`;");

while (($data_tournament = $req->fetch()) !== false) {
    echo "<h1>Tournoi de " . $data_tournament["name"] . "</h1>\n";
    $id = $data_tournament["id"];
    $files_req = $DB->query("SELECT *, COUNT(`problem`) AS `version` FROM `solutions` WHERE `tournament` = '$id' GROUP BY `team`, `problem` ORDER BY `team`, `problem`, `uploaded_at` DESC;");
    while (($data_file = $files_req->fetch()) !== false) {
        $file_id = $data_file["file_id"];
        $problem = $data_file["problem"];
        $version = $data_file["version"];
        $team_id = $data_file["team"];
        $team_data = $DB->query("SELECT `name`, `trigram` FROM `teams` WHERE `id` = '$team_id' AND `year` = $YEAR;")->fetch();
        $team_name = $team_data["name"];
        $team_trigram = $team_data["trigram"];
        echo "Problème n°$problem de l'équipe $team_name ($team_trigram), version $version : <a href=\"$URL_BASE/file/$file_id\">Télécharger</a><br />";
    }

    ?>
    <form method="POST">
        <input type="hidden" name="tournament" value="<?= $id ?>" />
        <input type="hidden" name="tournament_name" value="<?= $data_tournament["name"] ?>" />
        <input type="submit" name="download_zip" value="Télécharger l'archive" />
    </form>
    <?php
}

?>

<?php include 'footer.php'; ?>