<?php
/**
 * Plugin Name: TigerStyle Heat
 * Plugin URI: https://tigerstyle.com/heat-plugin
 * Description: Make your site irresistible! Natural SEO attraction with robots.txt, sitemap.xml, LLMs.txt, Google integration, structured data, and meta tags.
 * Version: 2.0.0
 * Author: TigerStyle
 * Author URI: https://tigerstyle.com
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: tigerstyle-heat
 * Domain Path: /languages
 * Requires at least: 5.0
 * Tested up to: 6.3
 * Requires PHP: 7.4
 */

// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

// Define plugin constants
define('TIGERSTYLE_HEAT_VERSION', '2.0.0');
define('TIGERSTYLE_HEAT_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('TIGERSTYLE_HEAT_PLUGIN_URL', plugin_dir_url(__FILE__));
define('TIGERSTYLE_HEAT_PLUGIN_FILE', __FILE__);

/**
 * Main TigerStyle Heat Plugin Class
 */
class TigerStyleSEO {
    
    /**
     * Single instance of the class
     */
    private static $instance = null;
    
    /**
     * Plugin modules
     */
    private $modules = array();
    
    /**
     * Get single instance
     */
    public static function instance() {
        if (is_null(self::$instance)) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    /**
     * Constructor
     */
    private function __construct() {
        $this->init();
    }
    
    /**
     * Initialize the plugin
     */
    private function init() {
        // Load dependencies
        $this->load_dependencies();
        
        // Initialize hooks
        add_action('init', array($this, 'init_plugin'));
        
        // Initialize admin components immediately if in admin area
        if (is_admin()) {
            $this->init_admin();
        }
        
        // Load modules
        $this->load_modules();
    }
    
    /**
     * Load required files
     */
    private function load_dependencies() {
        // Core includes
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/class-core.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/class-utils.php';
        
        // Admin includes
        if (is_admin()) {
            require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'admin/class-admin.php';
            require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'admin/class-admin-pages.php';
        }
        
        // Module includes
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-robots-txt.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-sitemap-xml.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-llms-txt.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-google-setup.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-meta-tags.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-structured-data.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-seo-health.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-head-footer.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-visual-elements-gallery.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-amp.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-ecosystem-coordinator.php';
        
        // API includes
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/api/class-sxg-api-client.php';
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/api/class-ai-client.php';
        
        // AI modules
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/modules/class-ai-provider.php';
    }
    
    /**
     * Initialize plugin components
     */
    public function init_plugin() {
        // Load text domain
        load_plugin_textdomain('tigerstyle-heat', false, dirname(plugin_basename(__FILE__)) . '/languages');
    }
    
    /**
     * Initialize admin components
     */
    public function init_admin() {
        TigerStyleSEO_Admin::instance();
    }
    
    /**
     * Load and initialize modules
     */
    private function load_modules() {
        $this->modules = array(
            'robots_txt' => TigerStyleSEO_RobotsTxt::instance(),
            'sitemap_xml' => TigerStyleSEO_Sitemap_xml::instance(),
            'llms_txt' => TigerStyleSEO_Llms_txt::instance(),
            'google_setup' => TigerStyleSEO_Google_setup::instance(),
            'meta_tags' => TigerStyleSEO_Meta_tags::instance(),
            'structured_data' => TigerStyleSEO_StructuredData::instance(),
            'seo_health' => TigerStyleSEO_Seo_health::instance(),
            'head_footer' => TigerStyleSEO_Head_footer::instance(),
            'visual_elements_gallery' => TigerStyleSEO_VisualElementsGallery::instance(),
            'amp' => TigerStyleSEO_AMP::instance(),
            'ai_provider' => TigerStyleSEO_AI_Provider::instance(),
            'ecosystem_coordinator' => TigerStyleSEO_EcosystemCoordinator::instance(),
        );
    }
    
    /**
     * Get a specific module
     */
    public function get_module($module_name) {
        return isset($this->modules[$module_name]) ? $this->modules[$module_name] : null;
    }
    
    /**
     * Plugin activation
     */
    public static function activate() {
        // Load core class for activation
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/class-core.php';
        
        // Run activation hooks for all modules
        TigerStyleSEO_Core::activate();
    }
    
    /**
     * Plugin deactivation
     */
    public static function deactivate() {
        // Load core class for deactivation
        require_once TIGERSTYLE_HEAT_PLUGIN_DIR . 'includes/class-core.php';
        
        TigerStyleSEO_Core::deactivate();
    }
}

// Register activation/deactivation hooks
register_activation_hook(__FILE__, array('TigerStyleSEO', 'activate'));
register_deactivation_hook(__FILE__, array('TigerStyleSEO', 'deactivate'));

/**
 * Initialize the plugin
 */
function tigerstyle_heat_init() {
    return TigerStyleSEO::instance();
}

// Start the plugin
add_action('plugins_loaded', 'tigerstyle_heat_init');

/**
 * Helper function to get the main plugin instance
 */
function tigerstyle_heat() {
    return TigerStyleSEO::instance();
}