<?php
/**
 * Plugin Name: IGNY8 WordPress Bridge
 * Plugin URI: https://github.com/your-repo/igny8-ai-os
 * Description: Lightweight bridge plugin that connects WordPress to IGNY8 API. Syncs posts, taxonomies, and site data bidirectionally.
 * Version: 1.0.0
 * Author: Your Name
 * Author URI: https://yourwebsite.com
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: igny8-bridge
 * Domain Path: /languages
 * Requires at least: 5.0
 * Requires PHP: 7.4
 *
 * @package Igny8Bridge
 */

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

// Define plugin constants
define('IGNY8_BRIDGE_VERSION', '1.0.0');
define('IGNY8_BRIDGE_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('IGNY8_BRIDGE_PLUGIN_URL', plugin_dir_url(__FILE__));
define('IGNY8_BRIDGE_PLUGIN_FILE', __FILE__);
define('IGNY8_BRIDGE_PLUGIN_BASENAME', plugin_basename(__FILE__));

/**
 * Main plugin class
 */
class Igny8Bridge {
    
    /**
     * Single instance of the class
     *
     * @var Igny8Bridge
     */
    private static $instance = null;
    
    /**
     * Get single instance
     *
     * @return Igny8Bridge
     */
    public static function get_instance() {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    /**
     * Constructor
     */
    private function __construct() {
        $this->init();
    }
    
    /**
     * Initialize plugin
     */
    private function init() {
        // Load core files
        $this->load_dependencies();
        
        // Initialize hooks
        add_action('plugins_loaded', array($this, 'load_plugin_textdomain'));
        add_action('init', array($this, 'init_plugin'));
        
        // Activation/Deactivation hooks
        register_activation_hook(__FILE__, array($this, 'activate'));
        register_deactivation_hook(__FILE__, array($this, 'deactivate'));
    }
    
    /**
     * Load plugin dependencies
     */
    private function load_dependencies() {
        // Core classes
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'includes/functions.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'includes/class-igny8-api.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'includes/class-igny8-site.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'includes/class-igny8-rest-api.php';
        // Webhooks removed - using API key authentication only
        
        // Webhook logs (used in admin and frontend)
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'includes/class-igny8-webhook-logs.php';
        
        // Admin classes (only in admin)
        if (is_admin()) {
            require_once IGNY8_BRIDGE_PLUGIN_DIR . 'admin/class-admin.php';
            require_once IGNY8_BRIDGE_PLUGIN_DIR . 'admin/class-admin-columns.php';
            require_once IGNY8_BRIDGE_PLUGIN_DIR . 'admin/class-post-meta-boxes.php';
        }
        
        // Sync handlers
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'sync/hooks.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'sync/post-sync.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'sync/taxonomy-sync.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'sync/igny8-to-wp.php';
        
        // Data collection
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'data/site-collection.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'data/semantic-mapping.php';
        require_once IGNY8_BRIDGE_PLUGIN_DIR . 'data/link-graph.php';
    }
    
    /**
     * Load plugin textdomain
     */
    public function load_plugin_textdomain() {
        load_plugin_textdomain(
            'igny8-bridge',
            false,
            dirname(IGNY8_BRIDGE_PLUGIN_BASENAME) . '/languages'
        );
    }
    
    /**
     * Initialize plugin functionality
     */
    public function init_plugin() {
        // Register post meta fields
        igny8_register_post_meta();
        
        // Register taxonomies
        igny8_register_taxonomies();
        
        // Initialize admin (if in admin)
        if (is_admin()) {
            Igny8Admin::get_instance();
        }
        
        // Initialize sync handlers
        if (class_exists('Igny8WordPressSync')) {
            new Igny8WordPressSync();
        }
    }
    
    /**
     * Plugin activation
     */
    public function activate() {
        // Register post meta and taxonomies
        igny8_register_post_meta();
        igny8_register_taxonomies();
        
        // Flush rewrite rules
        flush_rewrite_rules();
        
        // Set default options
        if (!get_option('igny8_bridge_version')) {
            add_option('igny8_bridge_version', IGNY8_BRIDGE_VERSION);
        }
        
        // Schedule cron jobs
        igny8_schedule_cron_jobs();
    }
    
    /**
     * Plugin deactivation
     */
    public function deactivate() {
        // Unschedule cron jobs
        igny8_unschedule_cron_jobs();
        
        // Flush rewrite rules
        flush_rewrite_rules();
    }
}

/**
 * Initialize plugin
 */
function igny8_bridge_init() {
    return Igny8Bridge::get_instance();
}

// Start the plugin
igny8_bridge_init();