/**
 * Language Switching Functionality
 */
function gas_station_rental_language_switcher() {
    // Simple language switching without plugins
    if (isset($_GET['lang'])) {
        $lang = sanitize_text_field($_GET['lang']);
        if ($lang === 'ar') {
            switch_to_locale('ar');
            setcookie('gas_station_lang', 'ar', time() + (86400 * 30), '/'); // 30 days
        } else {
            switch_to_locale('en_US');
            setcookie('gas_station_lang', 'en', time() + (86400 * 30), '/'); // 30 days
        }
    } elseif (isset($_COOKIE['gas_station_lang'])) {
        $lang = sanitize_text_field($_COOKIE['gas_station_lang']);
        if ($lang === 'ar') {
            switch_to_locale('ar');
        } else {
            switch_to_locale('en_US');
        }
    }
}
add_action('init', 'gas_station_rental_language_switcher');

/**
 * Add RTL body class for Arabic
 */
function gas_station_rental_body_classes($classes) {
    if (is_rtl() || get_locale() === 'ar') {
        $classes[] = 'rtl';
        $classes[] = 'arabic';
    }
    return $classes;
}
add_filter('body_class', 'gas_station_rental_body_classes');

/**
 * Add language attributes to HTML tag
 */
function gas_station_rental_language_attributes($output) {
    if (get_locale() === 'ar') {
        $output = str_replace('lang="ar"', 'lang="ar" dir="rtl"', $output);
    }
    return $output;
}
add_filter('language_attributes', 'gas_station_rental_language_attributes');

/**
 * Modify form labels and placeholders for Arabic
 */
function gas_station_rental_localize_form_strings() {
    if (get_locale() === 'ar') {
        // Add any specific Arabic form modifications here
        add_filter('gas_station_rental_form_placeholder_address', function($placeholder) {
            return __('أدخل عنوان العقار الكامل', 'gas-station-rental');
        });
        
        add_filter('gas_station_rental_form_placeholder_gps', function($placeholder) {
            return __('https://maps.google.com/...', 'gas-station-rental');
        });
        
        add_filter('gas_station_rental_form_placeholder_layout', function($placeholder) {
            return __('صف التخطيط وعدد المضخات وحجم متجر الخدمات وما إلى ذلك.', 'gas-station-rental');
        });
    }
}
add_action('init', 'gas_station_rental_localize_form_strings');

/**
 * Add Arabic number formatting
 */
function gas_station_rental_format_number($number, $locale = null) {
    if (!$locale) {
        $locale = get_locale();
    }
    
    if ($locale === 'ar') {
        // Format numbers for Arabic locale
        return number_format_i18n($number);
    }
    
    return number_format($number);
}

/**
 * Currency formatting for different locales
 */
function gas_station_rental_format_currency($amount, $currency = 'USD') {
    $locale = get_locale();
    
    if ($locale === 'ar') {
        // Arabic formatting - assuming SAR (Saudi Riyal)
        return number_format($amount) . ' ' . __('ريال', 'gas-station-rental');
    }
    
    // Default USD formatting
    return '$' . number_format($amount);
}

/**
 * Add language switcher to admin bar
 */
function gas_station_rental_admin_bar_language_switcher($wp_admin_bar) {
    if (!is_admin_bar_showing()) {
        return;
    }
    
    $current_locale = get_locale();
    $current_lang = ($current_locale === 'ar') ? 'العربية' : 'English';
    
    $wp_admin_bar->add_node(array(
        'id'    => 'language-switcher',
        'title' => $current_lang,
        'href'  => '#',
    ));
    
    $wp_admin_bar->add_node(array(
        'id'     => 'switch-to-english',
        'parent' => 'language-switcher',
        'title'  => 'English',
        'href'   => add_query_arg('lang', 'en', home_url($_SERVER['REQUEST_URI'])),
    ));
    
    $wp_admin_bar->add_node(array(
        'id'     => 'switch-to-arabic',
        'parent' => 'language-switcher',
        'title'  => 'العربية',
        'href'   => add_query_arg('lang', 'ar', home_url($_SERVER['REQUEST_URI'])),
    ));
}
add_action('admin_bar_menu', 'gas_station_rental_admin_bar_language_switcher', 100);

/**
 * Enqueue additional styles for Arabic typography
 */
function gas_station_rental_arabic_typography() {
    if (get_locale() === 'ar') {
        wp_add_inline_style('gas-station-rental-style', '
            body, input, textarea, select {
                font-family: "Cairo", "Noto Sans Arabic", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            }
            
            .hero-title, .section-title, .feature-title, .step-title {
                font-family: "Cairo", "Noto Sans Arabic", sans-serif;
                font-weight: 700;
            }
            
            .form-input::placeholder, .form-textarea::placeholder {
                font-family: "Cairo", "Noto Sans Arabic", sans-serif;
            }
        ');
    }
}
add_action('wp_enqueue_scripts', 'gas_station_rental_arabic_typography', 20);

/**
 * Add meta tags for better Arabic SEO
 */
function gas_station_rental_arabic_meta_tags() {
    if (get_locale() === 'ar') {
        echo '<meta name="language" content="Arabic">' . "\n";
        echo '<meta name="geo.region" content="SA">' . "\n";
        echo '<meta name="geo.placename" content="Saudi Arabia">' . "\n";
    }
}
add_action('wp_head', 'gas_station_rental_arabic_meta_tags');