<?php
require("../../include/variables.php");
require("../../include/init.php");
require("../../include/main-functions.php");

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require './vendor/autoload.php'; 

$pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);

$rawData = file_get_contents('php://input');
$data = json_decode($rawData, true);

if (isset($data['id'])) {
    $id = $data['id'];

    $client_id = 'cc_classic_znsSCWtxQRTJJVFaGqBgIjCqdES0e';
    $client_secret = 'cc_sk_classic_WA2N5s5qZBk0aN0qozTfQh7RxXXjzFYa6JlYnRi7GNmQxIgeF1';

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, "https://api.sumup.com/token");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
        'grant_type' => 'client_credentials',
        'client_id' => $client_id,
        'client_secret' => $client_secret
    ]));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    $response = curl_exec($ch);
    curl_close($ch);

    $responseData = json_decode($response, true);
    $access_token = $responseData['access_token'];

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, "https://api.sumup.com/v0.1/checkouts/$id");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        "Authorization: Bearer $access_token",
        "Content-Type: application/json"
    ]);
    $response = curl_exec($ch);
    curl_close($ch);

    $responseData = json_decode($response, true);

    if (isset($responseData['id'])) {
        $date = date('Y-m-d H:i:s', strtotime($responseData['date']));

        $description = $responseData['description'];
        $username = substr($description, strpos($description, '@') + 1);

        $request = $pdo->prepare("SELECT ID FROM users WHERE username = :username");
        $request->bindParam(":username", $username);
        $request->execute();
        $userid = $request->fetchAll(PDO::FETCH_ASSOC);

        if (strpos($description, 'BUY') === 0) {
            // Récupérer les trois lettres après PAY
            $product = substr($description, 3, 3);
            $type = 2;
            
            // Vérifier le type d'article
            if ($product === 'ADH') {
                $product_id = 1; // Article de type 1
                $pay_action = "payé son adhésion de 1 EUR";
                if ($userid) {
                    $request = $pdo->prepare("UPDATE adherents SET etape_adhesion = 3 WHERE userid = :userid");
                    $request->bindParam(":userid", $userid[0]['ID']);
                    $request->execute();
                    $request = $pdo->prepare("UPDATE users SET role = 10 WHERE userid = :userid");
                    $request->bindParam(":userid", $userid[0]['ID']);
                    $request->execute();
                }
            } else {
                $product_id = null; // Cas où le type n'est pas ADH
                $pay_action = "payé un truc à " . $responseData['amount'] . " EUR";
            }
        
        } elseif (strpos($description, 'DON') === 0) {
            // Article de type NULL pour les chaînes qui commencent par DON
            $product_id = null;
            $pay_action = "fait un don de " . $responseData['amount'] . " EUR";
            $type = 1;
        } else {
            // Si la chaîne ne commence ni par PAY ni par DON
            $product_id = null;
        }
        
        // Récupérer le nom d'utilisateur après le @

        $request = $pdo->prepare("INSERT INTO checkouts (amount, reference, date, description, checkout_id, status, transaction_id, userid, type, product) VALUES (:amount, :reference, :date, :description, :checkout_id, :status, :transaction_id, :userid, :type, :product)");
        $request->bindParam(":amount", $responseData['amount']);
        $request->bindParam(":reference", $responseData['checkout_reference']);
        $request->bindParam(":date", $date);
        $request->bindParam(":description", $responseData['description']);
        $request->bindParam(":checkout_id", $responseData['id']);
        $request->bindParam(":status", $responseData['status']);
        $request->bindParam(":transaction_id", $responseData['transaction_id']);
        $request->bindParam(":userid", $userid[0]['ID']);
        $request->bindParam(":type", $type);
        $request->bindParam(":product", $product_id);
        $request->execute();

        $mail = new PHPMailer(true);

        try {
            // Paramètres du serveur SMTP
            $mail->isSMTP();                                      // Utiliser SMTP
            $mail->Host       = 'outlook.office365.com';        // Serveur SMTP Exchange
            $mail->SMTPAuth   = true;                             // Activer l'authentification SMTP
            $mail->Username   = 'smtp@e59.fr';      // Nom d'utilisateur SMTP
            $mail->Password   = 'WTFdoto5678TFWT';            // Mot de passe SMTP
            $mail->SMTPSecure = 'tls';                            // Activer le cryptage TLS
            $mail->Port       = 587;                              // Port TCP pour TLS
            $mail->CharSet = "UTF-8"; 

            // Destinataires
            $mail->setFrom('sumup@e59.fr', 'Paiements E59');
            $mail->addAddress('finances@e59.fr');

            // Vous pouvez ajouter d'autres destinataires en utilisant $mail->addAddress()
            // $mail->addAddress('autre-destinataire@example.com'); 
            // Vous pouvez aussi ajouter des destinataires en copie (CC) ou en copie cachée (BCC)
            // $mail->addCC('cc@example.com');
            // $mail->addBCC('bcc@example.com');

            // Pièces jointes (si nécessaire)
            // $mail->addAttachment('/path/to/file.pdf'); // Ajouter un fichier joint

            // Contenu de l'email
            $mail->isHTML(true); // Activer le format HTML pour l'email
            $mail->Subject = "Nouveau paiement";
            $mail->Body    = "<!DOCTYPE html><html lang='fr'><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1.0'><title>Nouveau paiement</title><style>.content {font-family: Bahnschrift;margin: 0 auto;width: 80%;text-align: center;}</style></head><body><div class='content'><h3>Un nouveau paiement a eu lieu sur e59.fr/pay</h3><p>$username a $pay_action</p></div></body></html>";
            $mail->AltBody = "$username a $pay_action";

            // Envoyer l'email
            $mail->send();

            // Préparation de la requête de suppression
        } catch (Exception $e) {
            error_log("Erreur de Mailer: {$mail->ErrorInfo}");
        }
    }
}
?>