<?php

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

/**
 * @var User $user
 * @var Team $team
 * @var Tournament $tournament
 */
$user = $_SESSION["user"];
$team = $_SESSION["team"];
$tournament = $team->getEffectiveTournament();
$payment = $user->getPayment();

if ($team->getValidationStatus() != ValidationStatus::VALIDATED)
	require_once "server_files/403.php";

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

class Pay {
    private $method;
    private $infos;
    private $scholarship;

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

        $this->method = PaymentMethod::fromName(strtoupper($this->method));

        $this->scholarship = $_FILES["scholarship"];
    }

    public function makeVerifications()
    {
        global $payment;

        ensure($payment->getValidationStatus() == ValidationStatus::NOT_READY, "Un paiement est déjà initié.");
        ensure($this->method != PaymentMethod::NOT_PAID, "Vous n'avez pas payé.");
        ensure($this->method == PaymentMethod::SCHOLARSHIP || ($this->infos != null && strlen($this->infos) > 0), "Merci d'indiquer des informations pour retrouver votre paiement.");
        ensure($this->method != PaymentMethod::SCHOLARSHIP || ($this->scholarship != null && !$this->scholarship["error"]), "Si vous êtes boursier, vous devez indiquer votre notifcation de bourse (une erreur est survenue).");
    }

    public function submit()
    {
        global $DB, $LOCAL_PATH, $payment, $user, $team, $tournament;

        $payment->setMethod($this->method);
        $payment->setAmount($this->method == PaymentMethod::SCHOLARSHIP ? 0 : $tournament->getPrice());
        $payment->setValidationStatus(ValidationStatus::WAITING);
        if ($this->method == PaymentMethod::SCHOLARSHIP) {
            do
                $id = genRandomPhrase(64);
            while (file_exists("$LOCAL_PATH/files/$id"));

            if (!rename($this->scholarship["tmp_name"], "$LOCAL_PATH/files/$id"))
                throw new AssertionError("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"]->getId(), $tournament->getId(), DocumentType::getName(DocumentType::SCHOLARSHIP)]);
            $payment->setTransactionInfos($id);
        }
        else
            $payment->setTransactionInfos($this->infos);

        Mailer::requestPaymentValidation($user, $team, $tournament, $payment);
    }
}

require_once "server_files/views/paiement.php";