<?php
/**
 * Fired during plugin activation.
 *
 * This class defines all code necessary to run during the plugin's activation.
 *
 * @package    QDR_Temporary_Shared_Storage
 * @since      1.0.0
 */
class QDR_TSS_Activator {

    /**
     * Activate the plugin.
     *
     * Creates necessary database tables, directories, and default settings.
     *
     * @since    1.0.0
     */
    public static function activate() {
        // Create database table
        require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-qdr-tss-db-manager.php';
        $db_manager = QDR_TSS_DB_Manager::instance();
        $db_manager->create_table();
        
        // Initialize file system
        require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-qdr-tss-file-manager.php';
        $file_manager = QDR_TSS_File_Manager::instance();
        $file_manager->init_file_system();
        
        // Set default settings
        require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-qdr-tss-settings.php';
        $settings = QDR_TSS_Settings::instance();
        
        // Only set default settings if they don't exist
        if (!get_option('qdr_tss_settings')) {
            $default_settings = array(
                'api_key' => $settings->generate_api_key(),
                'media_category' => 'shared-storage',
                'max_upload_size' => 1073741824, // 1GB default
            );
            $settings->update_settings($default_settings);
        }
        
        // Create download page if it doesn't exist
        $download_page = get_page_by_path('shared-file-download');
        if (!$download_page) {
            wp_insert_post(array(
                'post_title' => __('Shared File Download', 'qdr-temporary-shared-storage'),
                'post_content' => '[qdr_tss_download]',
                'post_status' => 'publish',
                'post_type' => 'page',
                'post_name' => 'shared-file-download'
            ));
        }
        
        // Schedule cron job
        if (!wp_next_scheduled('qdr_tss_purge_expired_files')) {
            wp_schedule_event(time(), 'hourly', 'qdr_tss_purge_expired_files');
        }
        
        // Set version number in database
        update_option('qdr_tss_version', QDR_TSS_VERSION);
        
        // Add rewrite rules
        add_rewrite_rule(
            '^shared-file-download/([a-zA-Z0-9]+)/?$',
            'index.php?pagename=shared-file-download&qdr_file_id=$matches[1]',
            'top'
        );
        
        // Clear permalinks
        flush_rewrite_rules();
    }
}