<?php
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * The core plugin class.
 *
 * @since      1.0.0
 */

class ACTLOGPRO_Core {

    /**
     * The loader that's responsible for maintaining and registering all hooks that power
     * the plugin.
     *
     * @since    1.0.0
     * @access   protected
     * @var      actlogpro_Loader    $loader    Maintains and registers all hooks for the plugin.
     */
    protected $loader;

    /**
     * Define the core functionality of the plugin.
     *
     * @since    1.0.0
     */
    public function __construct() {
        $this->load_dependencies();
        $this->check_database_version();
        $this->define_admin_hooks();
        $this->define_event_hooks();
    }

    /**
     * Load the required dependencies for this plugin.
     *
     * @since    1.0.0
     * @access   private
     */
    private function load_dependencies() {
        // Include the severity constants class (must load before logger and events)
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-severity.php';

        // Include the logger class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-logger.php';
        
        // Include the database class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-database.php';
        
        // Include the events class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-events.php';
        
        // Include the comment logger class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-comment-logger.php';
        
        // Include the help system class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-help.php';
        
        // Include the admin class
        require_once ACTLOGPRO_PLUGIN_DIR . 'admin/class-alp-admin.php';
        
        // Include the feed class
        require_once ACTLOGPRO_PLUGIN_DIR . 'includes/class-alp-feed-rss.php';
    }

    /**
     * Load text domain for internationalization.
     *
     * @since    1.0.0
     * @access   private
     */
    private function set_locale() {
        // Text domain is now loaded directly in constructor
        // This method is kept for backward compatibility
    }

    /**
     * Register all of the hooks related to the admin area functionality
     * of the plugin.
     *
     * @since    1.0.0
     * @access   private
     */
    private function define_admin_hooks() {
        $admin = new ACTLOGPRO_Admin();
    }

    /**
     * Register all of the hooks related to tracking events
     * of the plugin.
     *
     * @since    1.0.0
     * @access   private
     */
    private function define_event_hooks() {
        $events = new ACTLOGPRO_Events();
    }

    /**
     * Run the plugin.
     *
     * @since    1.0.0
     */
	public function run() {
		// Initialize the RSS feed functionality (JSON feeds are handled by premium plugin)
        // Create an instance of the RSS feed class to register feed endpoints
        $rss_feed = new ACTLOGPRO_Feed_RSS();
        
        // Initialize the login notification functionality
        require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-alp-login-notification.php';
        $login_notification = new ACTLOGPRO_Login_Notification();
        
        // Initialize the help system
        $help = new ACTLOGPRO_Help();
        
        // Plugin is now running
    }
    
    /**
     * Get plugin image HTML using WordPress standards.
     *
     * @since    1.0.0
     * @param    string $image_name    Image filename in assets/images/
     * @param    string $alt_text      Alt text for the image
     * @param    string $css_class     CSS class for the image
     * @return   string               HTML for the image
     */
    public static function get_plugin_image($image_name, $alt_text = '', $css_class = '') {
        // Use the main plugin file as reference point
        $plugin_dir = plugin_dir_path(dirname(__FILE__));
        $plugin_url = plugin_dir_url(dirname(__FILE__));
        
        $image_url = $plugin_url . 'assets/images/' . $image_name;
        
        // Check if image is in media library
        $attachment_id = attachment_url_to_postid($image_url);
        
        if ($attachment_id) {
            return wp_get_attachment_image($attachment_id, 'medium', false, array(
                'alt' => $alt_text,
                'class' => $css_class
            ));
        }
        
        // Fallback for plugin assets
        $image_path = $plugin_dir . 'assets/images/' . $image_name;
        
        if (!file_exists($image_path)) {
            return '';
        }
        
        $image_size = @getimagesize($image_path);
        $width = $image_size ? $image_size[0] : 250;
        $height = $image_size ? $image_size[1] : 80;
        
        $attrs = array(
            'src' => esc_url($image_url),
            'alt' => esc_attr($alt_text),
            'class' => esc_attr($css_class),
            'width' => $width,
            'height' => $height,
            'loading' => 'lazy'
        );
        
        $attr_string = '';
        foreach ($attrs as $key => $value) {
            if (!empty($value)) {
                $attr_string .= sprintf(' %s="%s"', $key, $value);
            }
        }
        
        $allowed_html = array(
            'img' => array(
                'src' => true, 'alt' => true, 'class' => true,
                'width' => true, 'height' => true, 'loading' => true,
            ),
        );
        
        return wp_kses(sprintf('<img%s />', $attr_string), $allowed_html);
    }

    /**
     * Check database version and create/update tables if needed (UPGRADE-SAFE).
     * Uses database abstraction layer to prevent data loss during upgrades.
     *
     * @since    1.0.0
     * @access   private
     */
    private function check_database_version() {
        // Use secure database abstraction method to prevent data loss during upgrades
        // This method will NEVER recreate existing tables with data
        ACTLOGPRO_Database::check_and_initialize_database();
    }

}