<?php

include 'config.php';

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

if (isset($_POST["submitted"])) {
    $error_message = registerTournament();
}

function registerTournament() {
    global $DB, $YEAR, $MAIL_ADDRESS;

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

    $result = $DB->query("SELECT `id` FROM `tournaments` WHERE `name` = '" . $name . "' AND `year` = '$YEAR';");
    if ($result->fetch())
        return "Un tournoi existe déjà avec ce nom.";

    if (!isset($_POST["organizer"]) || sizeof($_POST["organizer"]) == 0)
        return "Aucun organisateur n'a été choisi.";

    $organizers = $_POST["organizer"];
    $orga_mails = [];

    foreach ($organizers as $orga) {
		$result = $DB->query("SELECT `role`, `email` FROM `users` WHERE `id` = '" . $orga . "' AND `year` = '$YEAR';");
		$data = $result->fetch();
		if ($data === FALSE)
			return "L'organisateur spécifié n'existe pas.";
		if ($data["role"] != "ORGANIZER" && $data["role"] != "ADMIN")
			return "L'organisateur indiqué ne peut pas organiser de tournoi.";
		$orga_mails[] = $data["email"];
	}

    try {
        $size = intval(htmlspecialchars($_POST["size"]));
    }
    catch (Exception $ex) {
        return "Le nombre d'équipes indiqué n'est pas un entier valide.";
    }

    if ($size < 3 || $size > 12)
        return "Un tournoi doit comporter entre 3 et 12 équipes.";

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

    try {
        $price = intval(htmlspecialchars($_POST["price"]));
    }
    catch (Throwable $t) {
        return "Le tarif pour les participants n'est pas un nombre valide.";
    }

    if ($price < 0)
        return "Le TFJM² ne va pas payer les élèves pour venir.";

    if ($price > 50)
        return "Soyons raisonnable sur le prix.";

    $date_start = htmlspecialchars($_POST["date_start"]);
    $date_start_parsed = date_parse_from_format("yyyy-mm-dd", $date_start);

    $date_end = htmlspecialchars($_POST["date_end"]);
    $date_end_parsed = date_parse_from_format("yyyy-mm-dd", $date_end);

    $date_inscription = htmlspecialchars($_POST["date_inscription"]);
    $time_inscription = htmlspecialchars($_POST["time_inscription"]);
    $date_inscription_parsed = date_parse_from_format("yyyy-mm-dd", $date_inscription . ' ' . $time_inscription);

    $date_solutions = htmlspecialchars($_POST["date_solutions"]);
    $time_solutions = htmlspecialchars($_POST["time_solutions"]);
    $date_solutions_parsed = date_parse_from_format("yyyy-mm-dd", $date_solutions . ' ' . $time_solutions);

    $date_syntheses = htmlspecialchars($_POST["date_syntheses"]);
    $time_syntheses = htmlspecialchars($_POST["time_syntheses"]);
    $date_syntheses_parsed = date_parse_from_format("yyyy-mm-dd", $date_syntheses . ' ' . $time_syntheses);

    if (!$date_start_parsed || !$date_end_parsed || !$date_inscription_parsed || !$date_solutions_parsed || !$date_syntheses_parsed)
        return "Une date est mal formée.";

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

    $req = $DB->prepare("INSERT INTO `tournaments` (`name`, `size`, `place`, `price`, `description`, 
                           `date_start`, `date_end`, `date_inscription`, `date_solutions`, `date_syntheses`, `year`) 
                           VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);");
    $req->execute([$name, $size, $place, $price, $description, $date_start, $date_end,
        "$date_inscription $time_inscription", "$date_solutions $time_solutions", "$date_syntheses $time_syntheses", $YEAR]);

    $req = $DB->query("SELECT `id` FROM `tournaments` WHERE `name` = '$name' AND `year` = $YEAR;");
    $tournament_id = $req->fetch()["id"];

    foreach ($organizers as $orga) {
        $req = $DB->prepare("INSERT INTO `organizers`(`organizer`, `tournament`) VALUES(?, ?);");
        $req->execute([$orga, $tournament_id]);
    }

    foreach ($orga_mails as $orga_mail)
        mail($orga_mail, "Organisateur TFJM² " . $name, "Vous venez d'être promu organisateur du tournoi " . $name . " pour le TFJM² $YEAR !", "From: $MAIL_ADDRESS");

    return false;
}

?>

<?php include "header.php" ?>

<?php

if (!isset($_SESSION["role"]) or $_SESSION["role"] != "ADMIN") {
?>
<h2>Vous n'êtes pas autorisé à accéder à cette page.</h2>
<?php } else { ?>

<?php if (isset($error_message)) {
        if ($error_message !== false) {
            echo "<h2>Erreur : " . $error_message . "</h2>";
        } else {
            echo "<h2>Tournoi de " . htmlspecialchars($_POST["name"]) . " ajouté avec succès !</h2>";
        }
    }?>

<form method="POST">
    <input type="hidden" name="submitted" 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" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="organizer">Organisateur :</label>
                </td>
                <td>
                    <select style="width: 100%;" id="organizer" name="organizer[]" multiple size="4" required>
                    <?php
                    while (($data = $orgas_response->fetch()) !== FALSE) {
                        echo "<option value=\"" . $data["id"] . "\">" . $data["first_name"] . " " . $data["surname"] . "</option>\n";
                    }
                    ?>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="size">Nombre d'équipes :</label>
                </td>
                <td>
                    <input style="width: 100%;" type="number" id="size" name="size" min="3" max="12" value="6" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="place">Lieu :</label>
                </td>
                <td>
                    <input style="width: 100%;" type="text" id="place" name="place" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="price">Prix par participant</label>
                </td>
                <td>
                    <input style="width: 100%;" type="number" id="price" name="price" min="0" max="21" value="21" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="date_start">Dates :</label>
                </td>
                <td>
                    Du <input style="width: 45%;" type="date" id="date_start" name="date_start" required /> au <input style="width: 45%;" type="date" id="date_end" name="date_end" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="date_inscription">Date limite d'inscription :</label>
                </td>
                <td>
                    <input style="width: 49%;" type="date" id="date_inscription" name="date_inscription" required />
                    <input style="width: 49%;" type="time" id="time_inscription" name="time_inscription" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="date_solutions">Date limite pour rendre les solutions :</label>
                </td>
                <td>
                    <input style="width: 49%;" type="date" id="date_solutions" name="date_solutions" required />
                    <input style="width: 49%;" type="time" id="time_solutions" name="time_solutions" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="date_syntheses">Date limite pour rendre les notes de synthèse :</label>
                </td>
                <td>
                    <input style="width: 49%;" type="date" id="date_syntheses" name="date_syntheses" required />
                    <input style="width: 49%;" type="time" id="time_syntheses" name="time_syntheses" required />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="description">Description :</label>
                </td>
                <td>
                    <textarea style="width: 100%;" name="description" id="description" required></textarea>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <input style="width: 100%;" type="submit" value="Ajouter un tournoi" />
                </td>
            </tr>
        </tbody>
    </table>
</form>

<?php include "footer.php" ?>

<?php } ?>