<?php

class SignUp extends Base {

    public function createAccount() {
        $params = ['BTN_SUBMIT' => 'main.php', 'REGISTER_ACTION' => 'SignUp.createAccount'];
        if (($_SERVER['REQUEST_METHOD'] ?? 'GET') === 'POST') {
            $this->requireCsrf();
            try {
                $auth = new AuthService();
                if (!$auth->allowAttempt('signup-ip', $_SERVER['REMOTE_ADDR'] ?? '', 5, 3600)) {
                    throw new InvalidArgumentException('Too many account requests. Please try again later.');
                }
                $auth->register($_POST);
                try{(new EmailVerification())->request($_POST['user_email']);}
                catch(Throwable $e){error_log('Signup verification delivery failed: '.$e->getMessage());}
                $_SESSION['signup_success'] = true;
                header('Location: main.php?Xaction=signup', true, 303);
                exit;
            } catch (InvalidArgumentException $e) {
                $params['SIGNUP_ERROR'] = $e->getMessage();
                foreach (['user_first_name', 'user_last_name', 'user_email', 'user_name'] as $field) {
                    $params[strtoupper($field)] = $_POST[$field] ?? '';
                }
            }
        }
        if (!empty($_SESSION['signup_success'])) {
            $params['SIGNUP_SUCCESSFUL'] = 'TRUE';
            unset($_SESSION['signup_success']);
        }
        echo $this->applyXSL('<XML/>', $this->getXSL('createAccount'), $params);
        exit;
    }
}