<?php
session_start();
$usersFile = 'users.json';
$users = file_exists($usersFile) ? json_decode(file_get_contents($usersFile), true) : [];
$message = '';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $username = trim($_POST['username']);
    $password = trim($_POST['password']);

    if (isset($users[$username])) {
        $message = "Cet utilisateur existe déjà !";
    } else {
        $hash = password_hash($password, PASSWORD_DEFAULT);
        $users[$username] = [
            'password' => $hash,
            'role' => 'User'
        ];
        file_put_contents($usersFile, json_encode($users, JSON_PRETTY_PRINT));
        $message = "Utilisateur '$username' créé avec succès ! Vous pouvez maintenant vous connecter.";
    }
}

include 'include/header.php';

$action = 'register.php';
$buttonText = "S'inscrire";
include 'form_login_register.php';

include 'include/footer.php';