<?php
/**
 * Plugin Name: XForosh
 * Plugin URI: https://xcrmforosh.com
 * Description: رفتار مشتریان سایت خود را بشناسید و فروش خود را افزایش دهید. این افزونه به حساب XForosh شما متصل می‌شود.
 * Version: 1.2.0
 * Author: XForosh
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: xforosh
 * Domain Path: /languages
 */

// امنیت مستقیم دسترسی را مسدود می‌کند
if (!defined('WPINC')) {
    die;
}

// ثابت‌های پلاگین
define('XCRM_VERSION', '1.2.0');
define('XCRM_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('XCRM_PLUGIN_URL', plugin_dir_url(__FILE__));
define('XCRM_PLUGIN_BASENAME', plugin_basename(__FILE__));
define('XCRM_DEBUG', false);
define('XCRM_API_KEY_HEADER', 'X-API-Key');
define('XCRM_API_BASE_URL', defined('XCRM_API_URL') ? XCRM_API_URL : 'https://xcrmforosh.com');
define('XCRM_CONSENT_OPTION', 'xcrm_data_consent');

add_filter(
        'plugin_row_meta',
        'xcrm_plugin_row_meta',
        10,
        4
    );

function xcrm_plugin_row_meta($links, $plugin_file, $plugin_data, $status) {

    if ($plugin_file !== plugin_basename(__FILE__)) {
        return $links;
    }

    $links[] = '<a href="https://xcrmforosh.com/docs" target="_blank">مستندات</a>';
    $links[] = '<a href="https://xcrmforosh.com/support" target="_blank">پشتیبانی</a>';

    return $links;
}

add_filter(
    'plugin_action_links_' . plugin_basename(__FILE__),
    'xcrm_plugin_action_links'
);

function xcrm_plugin_action_links($links) {

    $links[] = '<a href="' .
        esc_url(admin_url('admin.php?page=xcrm')) .
        '">داشبورد</a>';

    $links[] = '<a href="' .
        esc_url(admin_url('admin.php?page=xcrm-settings')) .
        '">تنظیمات</a>';

    return $links;
}

// کلاس اصلی پلاگین
class XCRM {
    private static $instance = null;

    public static function get_instance() {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    private function __construct() {
        $this->init_hooks();
    }

    private function init_hooks() {
        add_action('init', [$this, 'init']);
        add_action('admin_menu', [$this, 'add_admin_menu']);
        add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_scripts']);
        add_action('wp_enqueue_scripts', [$this, 'enqueue_frontend_scripts']);
        add_action('admin_notices', [$this, 'show_wizard_notice']);
        add_action('plugins_loaded', [$this, 'init_woocommerce']);
        add_action('init', [$this, 'init_gravityforms']);
        add_action('wp_ajax_xcrm_save_wizard', [$this, 'save_wizard']);
        add_action('wp_ajax_xcrm_verify_register_otp', [$this, 'verify_register_otp']);
        add_action('wp_ajax_xcrm_login', [$this, 'login']);
        add_action('wp_ajax_xcrm_verify_login_2fa', [$this, 'verify_login_2fa']);
        add_action('wp_ajax_xcrm_logout', [$this, 'logout']);
        add_action('wp_ajax_xcrm_install_sdk', [$this, 'install_sdk']);
        add_action('wp_ajax_xcrm_recheck_sdk', [$this, 'recheck_sdk']);
        add_action('wp_ajax_xcrm_search_contacts', [$this, 'ajax_search_contacts']);
        add_action('wp_ajax_xcrm_get_journey', [$this, 'ajax_get_journey']);
        add_action('wp_ajax_xcrm_get_product_behavior', [$this, 'ajax_get_product_behavior']);
        add_action('wp_ajax_xcrm_get_customer_acquisition', [$this, 'ajax_get_customer_acquisition']);
        add_action('wp_ajax_xcrm_get_revenue_data', [$this, 'ajax_get_revenue_data']);
        add_action('wp_ajax_xcrm_get_opportunity_data', [$this, 'ajax_get_opportunity_data']);
        add_action('wp_ajax_xcrm_get_abandoned_data', [$this, 'ajax_get_abandoned_data']);
        add_action('wp_ajax_xcrm_get_traffic_data', [$this, 'ajax_get_traffic_data']);
        add_action('wp_ajax_xcrm_get_behavior_data', [$this, 'ajax_get_behavior_data']);
        add_action('wp_ajax_xcrm_sync_users', [$this, 'ajax_sync_users']);
        add_action('wp_ajax_xcrm_get_user_data', [$this, 'ajax_get_user_data']);
        add_action('wp_ajax_xcrm_get_data_readiness', [$this, 'ajax_get_data_readiness']);
        add_action('wp_ajax_xcrm_toggle_demo_mode', [$this, 'ajax_toggle_demo_mode']);
        add_action('wp_ajax_xcrm_get_pipeline_stages', [$this, 'ajax_get_pipeline_stages']);
        add_action('wp_ajax_xcrm_get_pipelines', [$this, 'ajax_get_pipelines']);
        add_action('wp_ajax_xcrm_get_groups', [$this, 'ajax_get_groups']);
        add_action('wp_ajax_xcrm_accept_consent', [$this, 'ajax_accept_consent']);
        add_action('admin_init', [$this, 'register_settings']);
        add_action('admin_init', [$this, 'verify_api_key_daily']);
        add_action('user_register', [$this, 'sync_new_user'], 10, 2);
        add_action('profile_update', [$this, 'sync_updated_user'], 10, 2);
        add_action('wp_login', [$this, 'track_login'], 10, 2);
        add_action('user_register', [$this, 'track_signup'], 10, 2);
    }

    

   
    public function init_woocommerce() {
        if (class_exists('WooCommerce')) {
            xcrm_register_adapter(new XCRM_WooCommerce_Adapter());
        }
    }

    public function init_gravityforms() {
        new XCRM_GravityForms();
    }

    public function init() {
        xcrm_adapter_manager()->init_all();
    }

    public function add_admin_menu() {
        add_menu_page(
            'پیشخوان XForosh',
            'پیشخوان XForosh',
            'manage_options',
            'xcrm',
            [$this, 'render_admin_page'],
            'dashicons-groups',
            30
        );

        add_submenu_page(
            'xcrm',
            'منابع درآمد',
            'منابع درآمد',
            'manage_options',
            'xcrm-stats-revenue',
            [$this, 'render_stats_revenue']
        );

        add_submenu_page(
            'xcrm',
            'فرصت فروش',
            'فرصت فروش',
            'manage_options',
            'xcrm-stats-opportunity',
            [$this, 'render_stats_opportunity']
        );

        add_submenu_page(
            'xcrm',
            'سبدهای رهاشده',
            'سبدهای رهاشده',
            'manage_options',
            'xcrm-stats-abandoned',
            [$this, 'render_stats_abandoned']
        );

        add_submenu_page(
            'xcrm',
            'منابع ترافیک',
            'منابع ترافیک',
            'manage_options',
            'xcrm-stats-traffic',
            [$this, 'render_stats_traffic']
        );

        add_submenu_page(
            'xcrm',
            'رفتار مشتریان',
            'رفتار مشتریان',
            'manage_options',
            'xcrm-stats-behavior',
            [$this, 'render_stats_behavior']
        );

        add_submenu_page(
            'xcrm',
            'Customer Journey',
            'Customer Journey',
            'manage_options',
            'xcrm-stats-journey',
            [$this, 'render_stats_journey']
        );

        add_submenu_page(
            'xcrm',
            'مسیر ورود مشتری',
            'مسیر ورود مشتری',
            'manage_options',
            'xcrm-stats-acquisition',
            [$this, 'render_stats_acquisition']
        );

        add_submenu_page(
            'xcrm',
            'تنظیمات',
            'تنظیمات',
            'manage_options',
            'xcrm-settings',
            [$this, 'render_settings_page']
        );
    }

    public function render_admin_page() {
        if ($this->show_wizard()) {
            $this->render_wizard();
            return;
        }
        
        include XCRM_PLUGIN_DIR . 'admin/views/main.php';
    }

    private function check_api_key() {
        $api_key = get_option('xcrm_api_key', '');
        
        if (empty($api_key)) {
        wp_safe_redirect(admin_url('admin.php?page=xcrm'));
        exit;
        }
    }

    public function render_stats_revenue() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/revenue.php';
    }

    public function render_stats_opportunity() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/opportunity.php';
    }

    public function render_stats_abandoned() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/abandoned.php';
    }

    public function render_stats_traffic() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/traffic.php';
    }

    public function render_stats_behavior() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/behavior.php';
    }

    public function render_stats_journey() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/journey.php';
    }

    public function render_stats_acquisition() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/stats/acquisition.php';
    }

    public function render_settings_page() {
        $this->check_api_key();
        include XCRM_PLUGIN_DIR . 'admin/views/settings.php';
    }

    public function register_settings() {
        register_setting('xcrm_settings', 'xcrm_sync_user', [
            'sanitize_callback' => function($value) {
                return $value ? 1 : 0;
            },
        ]);
    }

    public function enqueue_admin_scripts($hook) {
        if (strpos($hook, 'xcrm') === false) {
            return;
        }

        wp_enqueue_style(
            'xcrm-admin',
            XCRM_PLUGIN_URL . 'admin/css/admin.css',
            [],
            XCRM_VERSION
        );

        wp_enqueue_script(
            'xcrm-admin',
            XCRM_PLUGIN_URL . 'admin/js/admin.js',
            ['jquery'],
            XCRM_VERSION,
            true
        );

        if ($this->show_wizard()) {
            wp_enqueue_style(
                'xcrm-wizard',
                XCRM_PLUGIN_URL . 'admin/css/wizard.css',
                [],
                XCRM_VERSION
            );

            wp_enqueue_script(
                'xcrm-wizard',
                XCRM_PLUGIN_URL . 'admin/js/wizard.js',
                ['jquery'],
                XCRM_VERSION,
                true
            );

            wp_localize_script('xcrm-wizard', 'xcrm_wizard', [
                'nonce' => wp_create_nonce('xcrm_wizard_nonce'),
            ]);

            return;
        }

        // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page slug for asset loading, not form processing.
        $page = isset($_GET['page']) ? sanitize_key(wp_unslash($_GET['page'])) : '';

        $stats_nonce = wp_create_nonce('xcrm_stats_nonce');
        $sdk_nonce = wp_create_nonce('xcrm_sdk_nonce');
        $sync_nonce = wp_create_nonce('xcrm_sync_nonce');

        $page_scripts = [
            'xcrm'                  => 'main.js',
            'xcrm-settings'         => 'settings.js',
            'xcrm-stats-revenue'    => 'stats-revenue.js',
            'xcrm-stats-opportunity'=> 'stats-opportunity.js',
            'xcrm-stats-abandoned'  => 'stats-abandoned.js',
            'xcrm-stats-traffic'    => 'stats-traffic.js',
            'xcrm-stats-behavior'   => 'stats-behavior.js',
            'xcrm-stats-journey'    => 'stats-journey.js',
            'xcrm-stats-acquisition'=> 'stats-acquisition.js',
        ];

        if (isset($page_scripts[$page])) {
            wp_enqueue_script(
                'xcrm-page',
                XCRM_PLUGIN_URL . 'admin/js/pages/' . $page_scripts[$page],
                ['jquery'],
                XCRM_VERSION,
                true
            );

            wp_localize_script('xcrm-page', 'xcrmPage', [
                'statsNonce' => $stats_nonce,
                'sdkNonce'   => $sdk_nonce,
                'syncNonce'  => $sync_nonce,
            ]);
        }
    }

    public function enqueue_frontend_scripts() {
        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            return;
        }

        wp_register_script(
            'xcrm-sdk',
            XCRM_PLUGIN_URL . 'assets/js/xcrm.min.js',
            [],
            XCRM_VERSION,
            true
        );
        wp_enqueue_script('xcrm-sdk');

        $public_company_id = get_option('xcrm_public_company_id', '');
        $nonce = wp_create_nonce('xcrm_user_data_nonce');
        $ajax_url = admin_url('admin-ajax.php?action=xcrm_get_user_data');
        $debug = (defined('XCRM_DEBUG') && XCRM_DEBUG);

        $config = wp_json_encode([
            'cpid'          => $public_company_id,
            'user-url'      => $ajax_url,
            'api-nonce'     => $nonce,
            'debug'         => $debug,
            'requireConsent'=> false,
        ]);

        wp_add_inline_script('xcrm-sdk', 'window.xcrmConfig = ' . $config . ';', 'before');
    }

    public function show_wizard_notice() {
        if (!$this->show_wizard()) {
            return;
        }

        // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page slug check, not form processing.
        if (isset($_GET['page']) && $_GET['page'] === 'xcrm') {
            return;
        }

        $admin_url = admin_url('admin.php?page=xcrm');
        ?>
        <div class="notice notice-info is-dismissible">
            <p><strong>XForosh:</strong> برای شروع کار با افزونه، مراحل راه‌اندازی را تکمیل کنید.</p>
            <p><a href="<?php echo esc_url($admin_url); ?>" class="button button-primary">شروع راه‌اندازی</a></p>
        </div>
        <?php
    }

    public function show_wizard() {
        $api_key = get_option('xcrm_api_key', '');
        return empty($api_key);
    }

    public function render_wizard() {
        include XCRM_PLUGIN_DIR . 'admin/views/wizard/wizard.php';
    }

    public function save_wizard() {
        check_ajax_referer('xcrm_wizard_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $first_name = sanitize_text_field(wp_unslash($_POST['first_name'] ?? ''));
        $last_name = sanitize_text_field(wp_unslash($_POST['last_name'] ?? ''));
        $email = sanitize_email(wp_unslash($_POST['email'] ?? ''));
        $phone = sanitize_text_field(wp_unslash($_POST['phone'] ?? ''));
        // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Passwords must not be sanitized; wp_unslash() is the correct handling.
        $password = wp_unslash($_POST['password'] ?? '');
        $consent = isset($_POST['consent']) && $_POST['consent'] === '1';

        if (strlen($password) < 8) {
            wp_send_json_error([
                'message' => 'رمز عبور باید حداقل ۸ کاراکتر باشد'
            ]);
        }

        if (!$consent) {
            wp_send_json_error([
                'message' => 'برای ادامه باید با جمع‌آوری داده موافقت کنید'
            ]);
        }

        update_option('xcrm_data_consent', true);

        $response = xcrm_auth()->register_send_otp([
            'full_name' => $first_name . ' ' . $last_name,
            'email' => $email,
            'phone' => $phone,
            'password' => $password,
            'user_type' => 'CEO',
        ]);

        if (isset($response['success']) && $response['success']) {
            update_option('xcrm_register_token', $response['data']['token'] ?? '');
            update_option('xcrm_register_phone', $phone);
            update_option('xcrm_register_first_name', $first_name);
            update_option('xcrm_register_last_name', $last_name);
            update_option('xcrm_register_email', $email);

            wp_send_json_success([
                'message' => $response['message'] ?? 'کد تایید ارسال شد',
                'requires_otp' => true
            ]);
        } else {
            $error_msg = XCRM_API::get_instance()->get_error_message($response);
            wp_send_json_error([
                'message' => $error_msg
            ]);
        }
    }

    public function verify_register_otp() {
        check_ajax_referer('xcrm_wizard_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $code = sanitize_text_field(wp_unslash($_POST['code'] ?? ''));
        $token = get_option('xcrm_register_token', '');

        if (empty($token) || empty($code)) {
            wp_send_json_error([
                'message' => 'اطلاعات نامعتبر'
            ]);
        }

        $response = xcrm_auth()->register_confirm_otp([
            'token' => $token,
            'code' => $code,
        ]);

        if (isset($response['success']) && $response['success']) {
            $jwt = $response['data']['tokens']['access'] ?? '';
            $refresh = $response['data']['tokens']['refresh'] ?? '';

            update_option('xcrm_jwt_token', $jwt);
            update_option('xcrm_jwt_refresh', $refresh);

            $this->fetch_and_save_api_key($jwt);

            $user_id = get_current_user_id();
            $first_name = get_option('xcrm_register_first_name', '');
            $last_name = get_option('xcrm_register_last_name', '');
            $email = get_option('xcrm_register_email', '');
            $phone = get_option('xcrm_register_phone', '');

            wp_update_user([
                'ID' => $user_id,
                'first_name' => $first_name,
                'last_name' => $last_name,
                'user_email' => $email,
            ]);

            update_user_meta($user_id, 'xcrm_phone', $phone);
            update_option('xcrm_wizard_completed', true);
            update_option('xcrm_admin_user', $user_id);

            delete_option('xcrm_register_token');
            delete_option('xcrm_register_phone');
            delete_option('xcrm_register_first_name');
            delete_option('xcrm_register_last_name');
            delete_option('xcrm_register_email');

            wp_send_json_success([
                'message' => 'ثبت‌نام با موفقیت انجام شد'
            ]);
        } else {
            $error_msg = XCRM_API::get_instance()->get_error_message($response);
            wp_send_json_error([
                'message' => $error_msg
            ]);
        }
    }

    public function login() {
        check_ajax_referer('xcrm_wizard_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $phone = sanitize_text_field(wp_unslash($_POST['phone'] ?? ''));
        // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Passwords must not be sanitized; wp_unslash() is the correct handling.
        $password = wp_unslash($_POST['password'] ?? '');
        $consent = isset($_POST['consent']) && $_POST['consent'] === '1';

        if (empty($phone) || empty($password)) {
            wp_send_json_error([
                'message' => 'لطفاً تمام فیلدها را پر کنید'
            ]);
        }

        if (!$consent) {
            wp_send_json_error([
                'message' => 'برای ادامه باید با جمع‌آوری داده موافقت کنید'
            ]);
        }

        update_option('xcrm_data_consent', true);

        $response = xcrm_auth()->login([
            'phone' => $phone,
            'password' => $password,
        ]);

        if (isset($response['success']) && $response['success']) {
            $data = $response['data'] ?? [];

            if (!empty($data['requires_2fa'])) {
                update_option('xcrm_login_2fa_token', $data['otp_token'] ?? '');
                update_option('xcrm_login_2fa_type', $data['otp_type'] ?? 'PHONE');

                wp_send_json_success([
                    'requires_2fa' => true,
                    'otp_type' => $data['otp_type'] ?? 'PHONE',
                    'message' => 'کد تایید دو مرحله‌ای ارسال شد'
                ]);
            } else {
                $jwt = $data['tokens']['access'] ?? '';
                $refresh = $data['tokens']['refresh'] ?? '';

                update_option('xcrm_jwt_token', $jwt);
                update_option('xcrm_jwt_refresh', $refresh);

                $this->fetch_and_save_api_key($jwt);

                $user_id = get_current_user_id();
                update_option('xcrm_wizard_completed', true);
                update_option('xcrm_admin_user', $user_id);

                wp_send_json_success([
                    'message' => 'ورود موفقیت‌آمیز بود'
                ]);
            }
        } else {
            $error_msg = XCRM_API::get_instance()->get_error_message($response);
            wp_send_json_error([
                'message' => $error_msg
            ]);
        }
    }

    public function verify_login_2fa() {
        check_ajax_referer('xcrm_wizard_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $code = sanitize_text_field(wp_unslash($_POST['code'] ?? ''));
        $token = get_option('xcrm_login_2fa_token', '');

        if (empty($token) || empty($code)) {
            wp_send_json_error([
                'message' => 'اطلاعات نامعتبر'
            ]);
        }

        $response = xcrm_auth()->login_confirm_2fa([
            'token' => $token,
            'code' => $code,
        ]);

        if (isset($response['success']) && $response['success']) {
            $jwt = $response['data']['tokens']['access'] ?? '';
            $refresh = $response['data']['tokens']['refresh'] ?? '';

            update_option('xcrm_jwt_token', $jwt);
            update_option('xcrm_jwt_refresh', $refresh);

            $this->fetch_and_save_api_key($jwt);

            $user_id = get_current_user_id();
            update_option('xcrm_wizard_completed', true);
            update_option('xcrm_admin_user', $user_id);

            delete_option('xcrm_login_2fa_token');
            delete_option('xcrm_login_2fa_type');

            wp_send_json_success([
                'message' => 'ورود موفقیت‌آمیز بود'
            ]);
        } else {
            $error_msg = XCRM_API::get_instance()->get_error_message($response);
            wp_send_json_error([
                'message' => $error_msg
            ]);
        }
    }

    private function fetch_and_save_api_key($jwt) {
        $response = xcrm_auth()->create_api_key($jwt, [
            'api_key_type' => 'wordpress',
        ]);
        
        
        if (isset($response['success']) && $response['success'] && isset($response['data']['raw_key'])) {
            $api_key = $response['data']['raw_key'];
            
            update_option('xcrm_api_key', $api_key);
        }

        $jwt_data = $this->decode_jwt($jwt);
        if ($jwt_data) {
            if (isset($jwt_data['company_id'])) {
                update_option('xcrm_company_id', $jwt_data['company_id']);
            }
            if (isset($jwt_data['company_pid'])) {
                update_option('xcrm_public_company_id', $jwt_data['company_pid']);
            }

            // ست کردن URL شرکت
            if (isset($jwt_data['company_id'])) {
                $site_url = home_url();
                xcrm_client()->update_company($jwt, $jwt_data['company_id'], [
                    'website' => $site_url,
                ]);
            }
        }
    }

    public function decode_jwt($jwt) {
        $parts = explode('.', $jwt);
        if (count($parts) !== 3) {
            return false;
        }

        $payload = base64_decode(strtr($parts[1], '-_', '+/'));
        return json_decode($payload, true);
    }

    public function logout() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $this->do_logout();

        wp_send_json_success([
            'message' => 'با موفقیت از حساب خارج شدید'
        ]);
    }

    public function install_sdk() {
        check_ajax_referer('xcrm_sdk_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        if ($this->is_sdk_script_present()) {
            update_option('xcrm_sdk_installed', true);
            wp_send_json_error([
                'message' => 'SDK قبلاً نصب شده است. برای به روز رسانی صفحه را بروزرسانی کنید'
            ]);
        }

        $sdk_path = XCRM_PLUGIN_DIR . 'assets/js/xcrm.min.js';

        if (file_exists($sdk_path)) {
            update_option('xcrm_sdk_installed', true);
            wp_send_json_success([
                'message' => 'SDK با موفقیت نصب شد'
            ]);
        } else {
            wp_send_json_error([
                'message' => 'فایل SDK یافت نشد'
            ]);
        }
    }

    private function is_sdk_script_present() {
        $installed = get_option('xcrm_sdk_installed', false);
        if ($installed) {
            return true;
        }
        $sdk_path = XCRM_PLUGIN_DIR . 'assets/js/xcrm.min.js';
        return file_exists($sdk_path);
    }

    private function add_sdk_to_theme($sdk_link) {
        update_option('xcrm_sdk_link', $sdk_link);
    }

    public function recheck_sdk() {
        check_ajax_referer('xcrm_sdk_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        if ($this->is_sdk_script_present()) {
            update_option('xcrm_sdk_installed', true);
            wp_send_json_success([
                'message' => 'SDK در قالب شناسایی شد و وضعیت بروزرسانی شد'
            ]);
        } else {
            update_option('xcrm_sdk_installed', false);
            wp_send_json_error([
                'message' => 'SDK در قالب یافت نشد'
            ]);
        }
    }

    public function ajax_search_contacts() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $query = sanitize_text_field(wp_unslash($_GET['q'] ?? ''));
        
        if (strlen($query) < 2) {
            wp_send_json_error([
                'message' => 'حداقل ۲ کاراکتر وارد کنید'
            ]);
        }

        $response = xcrm_stats()->search_contacts($query);
        
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در جستجو'
            ]);
        }
    }

    public function ajax_get_revenue_data() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }
        $response = xcrm_stats()->get_revenue_sources();
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error(['message' => $response['error'] ?? 'خطا']);
        }
    }

    public function ajax_get_opportunity_data() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }
        $response = xcrm_stats()->get_sales_opportunities();
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error(['message' => $response['error'] ?? 'خطا']);
        }
    }

    public function ajax_get_abandoned_data() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }
        $response = xcrm_stats()->get_abandoned_carts();
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error(['message' => $response['error'] ?? 'خطا']);
        }
    }

    public function ajax_get_traffic_data() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }
        $response = xcrm_stats()->get_traffic_sources();
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error(['message' => $response['error'] ?? 'خطا']);
        }
    }

    public function ajax_get_behavior_data() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }
        $response = xcrm_stats()->get_customer_behavior();
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error(['message' => $response['error'] ?? 'خطا']);
        }
    }

    public function ajax_get_journey() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $contact_id = intval($_GET['contact_id'] ?? 0);
        
        if (!$contact_id) {
            wp_send_json_error([
                'message' => 'شناسه مشتری نامعتبر است'
            ]);
        }

        $response = xcrm_stats()->get_customer_journey($contact_id);
        
        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت اطلاعات'
            ]);
        }
    }

    public function ajax_get_product_behavior() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $product_id = intval($_GET['product_id'] ?? 0);

        if (!$product_id) {
            wp_send_json_error([
                'message' => 'شناسه محصول نامعتبر است'
            ]);
        }

        $response = xcrm_stats()->get_product_behavior($product_id);

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت اطلاعات'
            ]);
        }
    }

    public function ajax_get_customer_acquisition() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $customer_id = intval($_GET['customer_id'] ?? 0);

        if (!$customer_id) {
            wp_send_json_error([
                'message' => 'شناسه مشتری نامعتبر است'
            ]);
        }

        $response = xcrm_stats()->get_customer_acquisition($customer_id);

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت اطلاعات'
            ]);
        }
    }

    public function ajax_sync_users() {
        check_ajax_referer('xcrm_sync_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            wp_send_json_error(['message' => 'ابتدا با جمع‌آوری داده موافقت کنید']);
        }

        $offset = intval($_POST['offset'] ?? 0);
        $batch_size = 10;

        $args = [
            'offset' => $offset,
            'number' => $batch_size,
            'fields' => ['ID'],
        ];

        $users = get_users($args);
        $total_users = count_users()['total_users'];
        $synced = 0;
        $skipped = 0;

        foreach ($users as $user) {
            $client_id = get_user_meta($user->ID, 'xcrm_client_id', true);
            $client_pid = get_user_meta($user->ID, 'xcrm_client_pid', true);

            if (!empty($client_id) && !empty($client_pid)) {
                $skipped++;
                continue;
            }

            $user_data = get_userdata($user->ID);

            $full_name = trim($user_data->first_name . ' ' . $user_data->last_name);
            if (empty($full_name)) {
                $full_name = $user_data->display_name;
            }

            $response = xcrm_client()->register([
                'full_name' => $full_name,
                'first_name' => $user_data->first_name,
                'last_name' => $user_data->last_name,
                'CUID' => (string) $user->ID,
                'email' => $user_data->user_email,
                'phone' => get_user_meta($user->ID, 'xcrm_phone', true) ?: '',
                'source' => 'wordpress',
            ]);

            if (isset($response['success']) && $response['success']) {
                if (isset($response['data']['id'])) {
                    update_user_meta($user->ID, 'xcrm_client_id', $response['data']['id']);
                }
                if (isset($response['data']['PID'])) {
                    update_user_meta($user->ID, 'xcrm_client_pid', $response['data']['PID']);
                }
                $synced++;
            }
        }

        $next_offset = $offset + $batch_size;
        $has_more = $next_offset < $total_users;
        $percent = $total_users > 0 ? round(($next_offset / $total_users) * 100) : 100;
        if ($percent > 100) $percent = 100;

        wp_send_json_success([
            'message' => "همگام‌سازی: {$synced} ارسال شد، {$skipped} رد شد",
            'offset' => $next_offset,
            'has_more' => $has_more,
            'percent' => $percent,
        ]);
    }

    public function track_login($user_login, $user) {
        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            return;
        }

        if (!is_a($user, 'WP_User')) {
            return;
        }

        if (user_can($user, 'manage_options')) {
            return;
        }

        $company_pid = get_option('xcrm_company_id', '');
        $client_pid = get_user_meta($user->ID, 'xcrm_client_pid', true);

        if (empty($client_pid)) {
            return;
        }

        $event = [
            'company_pid' => (int) $company_pid,
            'luid' => '',
            'session_id' => '',
            'event_name' => 'login',
            'event_time' => gmdate('c'),
            'device' => ['platform' => 'web', 'os' => ['name' => '', 'version' => ''], 'browser' => ['name' => '', 'version' => ''], 'manufacturer' => '', 'model' => '', 'carrier' => ''],
            'location' => ['ip' => $this->get_client_ip(), 'country' => '', 'city' => ''],
            'marketing' => ['channel' => '', 'utm' => ['source' => '', 'medium' => '', 'campaign' => ''], 'campaign_id' => '', 'journey_id' => ''],
            'dynamic' => [
                'event_properties' => [
                    'method'    => 'wordpress',
                    'email'     => $user->user_email,
                    'phone'     => get_user_meta($user->ID, 'xcrm_phone', true) ?: '',
                    'success'   => true,
                    'ip_address' => $this->get_client_ip(),
                ],
                'user_attributes' => [
                    'first_name' => $user->first_name,
                    'last_name'  => $user->last_name,
                    'email'      => $user->user_email,
                    'client_pid' => $client_pid ? (string) $client_pid : null,
                ],
            ],
        ];

        try {
            xcrm_events()->track('login', $event);
        } catch (\Throwable $e) {
        }
    }

    public function track_signup($user_id, $userdata = []) {
        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            return;
        }

        $user = get_userdata($user_id);
        if (!$user || is_wp_error($user)) {
            return;
        }

        if (user_can($user, 'manage_options')) {
            return;
        }

        $client_pid = get_user_meta($user_id, 'xcrm_client_pid', true);
        if (empty($client_pid)) {
            return;
        }

        $company_pid = get_option('xcrm_company_id', '');

        $event = [
            'company_pid' => (int) $company_pid,
            'luid' => '',
            'client_pid' => (string) $client_pid,
            'session_id' => '',
            'event_name' => 'signup',
            'event_time' => gmdate('c'),
            'device' => ['platform' => 'web', 'os' => ['name' => '', 'version' => ''], 'browser' => ['name' => '', 'version' => ''], 'manufacturer' => '', 'model' => '', 'carrier' => ''],
            'location' => ['ip' => $this->get_client_ip(), 'country' => '', 'city' => ''],
            'marketing' => ['channel' => '', 'utm' => ['source' => '', 'medium' => '', 'campaign' => ''], 'campaign_id' => '', 'journey_id' => ''],
            'dynamic' => [
                'event_properties' => [
                    'method' => 'wordpress',
                    'email'  => $user->user_email,
                    'phone'  => get_user_meta($user_id, 'xcrm_phone', true) ?: '',
                ],
                'user_attributes' => [
                    'first_name' => $user->first_name,
                    'last_name'  => $user->last_name,
                    'email'      => $user->user_email,
                    'client_pid' => (string) $client_pid,
                ],
            ],
        ];

        try {
            xcrm_events()->track('signup', $event);
        } catch (\Throwable $e) {
        }
    }

    private function get_client_ip() {
        $keys = ['HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'REMOTE_ADDR'];
        foreach ($keys as $key) {
            if (!empty($_SERVER[$key])) {
                $ip = sanitize_text_field(wp_unslash($_SERVER[$key]));
                $parts = explode(',', $ip);
                return trim($parts[0]);
            }
        }
        return '';
    }

    public function sync_new_user($user_id, $userdata = []) {

        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            return;
        }

        if (!get_option('xcrm_sync_user')) {
            return;
        }

        $client_id = get_user_meta($user_id, 'xcrm_client_id', true);
        $client_pid = get_user_meta($user_id, 'xcrm_client_pid', true);

        if (!empty($client_id) && !empty($client_pid)) {
            return;
        }

        $user = get_userdata($user_id);
        if (!$user || is_wp_error($user)) {
            return;
        }

        $full_name = trim($user->first_name . ' ' . $user->last_name);
        if (empty($full_name)) {
            $full_name = $user->display_name;
        }

        try {
            $response = xcrm_client()->register([
                'full_name' => $full_name,
                'first_name' => $user->first_name,
                'last_name' => $user->last_name,
                'CUID' => (string) $user_id,
                'email' => $user->user_email,
                'phone' => get_user_meta($user_id, 'xcrm_phone', true) ?: '',
                'source' => 'wordpress',
            ]);
        } catch (\Throwable $e) {
            return;
        }

        if (isset($response['success']) && $response['success']) {
            if (isset($response['data']['id'])) {
                update_user_meta($user_id, 'xcrm_client_id', $response['data']['id']);
            }
            if (isset($response['data']['PID'])) {
                update_user_meta($user_id, 'xcrm_client_pid', $response['data']['PID']);
            }
        }
    }

    public function sync_updated_user($user_id, $old_user_data) {

        if (!get_option(XCRM_CONSENT_OPTION, false)) {
            return;
        }

        $user = get_userdata($user_id);
        if (!$user || is_wp_error($user)) {
            return;
        }

        $client_id = get_user_meta($user_id, 'xcrm_client_id', true);

        $full_name = trim($user->first_name . ' ' . $user->last_name);
        if (empty($full_name)) {
            $full_name = $user->display_name;
        }

        $user_data = [
            'full_name' => $full_name,
            'first_name' => $user->first_name,
            'last_name' => $user->last_name,
            'CUID' => (string) $user_id,
            'email' => $user->user_email,
            'phone' => get_user_meta($user_id, 'xcrm_phone', true) ?: '',
        ];

        try {
            if (empty($client_id)) {
                $user_data['source'] = 'wordpress';
                $response = xcrm_client()->register($user_data);

                if (isset($response['success']) && $response['success']) {
                    if (isset($response['data']['id'])) {
                        update_user_meta($user_id, 'xcrm_client_id', $response['data']['id']);
                    }
                    if (isset($response['data']['PID'])) {
                        update_user_meta($user_id, 'xcrm_client_pid', $response['data']['PID']);
                    }
                }
            } else {
                $response = xcrm_client()->update($client_id, $user_data);
            }
        } catch (\Throwable $e) {
        }
    }

    public function ajax_get_user_data() {
        if (!is_user_logged_in()) {
            status_header(404);
            nocache_headers();
            wp_send_json([], 404);
            return;
        }

        check_ajax_referer('xcrm_user_data_nonce', 'nonce');

        $user = wp_get_current_user();
        $client_pid = get_user_meta($user->ID, 'xcrm_client_pid', true);

        wp_send_json([
            'client_pid'  => $client_pid ? (string) $client_pid : null,
            'CUID'        => (string) $user->ID,
            'name'        => $user->display_name,
            'first_name'  => $user->first_name,
            'last_name'   => $user->last_name,
            'email'       => $user->user_email,
            'phone'       => get_user_meta($user->ID, 'xcrm_phone', true) ?: '',
            'gender'      => get_user_meta($user->ID, 'xcrm_gender', true) ?: '',
            'city'        => get_user_meta($user->ID, 'xcrm_city', true) ?: '',
            'country'     => get_user_meta($user->ID, 'xcrm_country', true) ?: '',
        ]);
    }

    public function ajax_get_data_readiness() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $response = xcrm_stats()->get_data_readiness();

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت وضعیت آمادگی',
            ]);
        }
    }

    public function ajax_toggle_demo_mode() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $current = get_option('xcrm_use_fake_data', false);
        $new_value = !$current;
        update_option('xcrm_use_fake_data', $new_value);

        wp_send_json_success([
            'use_fake_data' => $new_value,
        ]);
    }

    public function ajax_get_pipeline_stages() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $pipeline_id = intval($_GET['pipeline_id'] ?? 0);
        if (!$pipeline_id) {
            wp_send_json_error(['message' => 'شناسه پایپلاین نامعتبر است']);
        }

        $response = xcrm_pipelines()->get_stages($pipeline_id);

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت مراحل',
            ]);
        }
    }

    public function ajax_get_pipelines() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $response = xcrm_pipelines()->get_pipelines();

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت فرایندهای فروش',
            ]);
        }
    }

    public function ajax_get_groups() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        $response = xcrm_pipelines()->get_groups();

        if (isset($response['success']) && $response['success']) {
            wp_send_json_success($response['data']);
        } else {
            wp_send_json_error([
                'message' => $response['error'] ?? 'خطا در دریافت گروه‌ها',
            ]);
        }
    }

    public function ajax_accept_consent() {
        check_ajax_referer('xcrm_stats_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'دسترسی غیرمجاز']);
        }

        update_option('xcrm_data_consent', true);

        wp_send_json_success([
            'message' => 'موافقت ثبت شد',
        ]);
    }

    public function verify_api_key_daily() {
        $api_key = get_option('xcrm_api_key', '');
        if (empty($api_key)) {
            return;
        }

        $last_check = get_transient('xcrm_api_key_last_check');
        if ($last_check !== false) {
            return;
        }

        $response = xcrm_auth()->verify_api_key();

        set_transient('xcrm_api_key_last_check', true, DAY_IN_SECONDS);

        if (isset($response['success']) && $response['success'] && isset($response['data']['valid'])) {
            if ($response['data']['valid'] === false) {
                $this->do_logout();
            }
        } elseif (isset($response['http_code']) && $response['http_code'] === 401) {
            $this->do_logout();
        } elseif (isset($response['error'])) {
        }
    }

    private function do_logout() {
        delete_option('xcrm_api_key');
        delete_option('xcrm_jwt_token');
        delete_option('xcrm_jwt_refresh');
        delete_option('xcrm_wizard_completed');
        delete_option('xcrm_admin_user');
        delete_option('xcrm_company_id');
        delete_option('xcrm_public_company_id');
        delete_option('xcrm_sync_user');
        delete_option('xcrm_use_fake_data');
        delete_option('xcrm_sdk_installed');
        delete_option('xcrm_sdk_version');
        delete_option('xcrm_sdk_link');
    }
}

// راه‌اندازی پلاگین
function xcrm() {
    return XCRM::get_instance();
}

// بارگذاری API
require_once XCRM_PLUGIN_DIR . 'api/class-xcrm-api.php';
require_once XCRM_PLUGIN_DIR . 'api/api-loader.php';
require_once XCRM_PLUGIN_DIR . 'admin/user-meta.php';

// بارگذاری اداپتورها
require_once XCRM_PLUGIN_DIR . 'adapters/class-xcrm-adapter.php';
require_once XCRM_PLUGIN_DIR . 'adapters/class-xcrm-woocommerce.php';
require_once XCRM_PLUGIN_DIR . 'adapters/class-xcrm-gravityforms.php';

// اجرای پلاگین
xcrm();

// فعال‌سازی پلاگین
register_activation_hook(__FILE__, function() {
    delete_option('xcrm_wizard_completed');
    add_option('xcrm_sync_user', 0);
});