<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * @package    QDR_Temporary_Shared_Storage
 * @since      1.0.0
 */

// If uninstall not called from WordPress, then exit.
if (!defined('WP_UNINSTALL_PLUGIN')) {
    exit;
}

// Define constants if not already defined
if (!defined('QDR_TSS_PLUGIN_TABLE')) {
    define('QDR_TSS_PLUGIN_TABLE', 'qdr_temporary_shared_storage');
}

if (!defined('QDR_TSS_UPLOADS_DIR')) {
    $uploads_dir = wp_upload_dir();
    define('QDR_TSS_UPLOADS_DIR', $uploads_dir['basedir'] . '/qdr-shared-storage/');
}

// Delete plugin settings
delete_option('qdr_tss_settings');
delete_option('qdr_tss_version');

// Drop custom database table
global $wpdb;
$table_name = $wpdb->prefix . QDR_TSS_PLUGIN_TABLE;
$wpdb->query("DROP TABLE IF EXISTS $table_name");

// Delete all files in upload directory
function qdr_tss_delete_directory($dir) {
    if (!file_exists($dir)) {
        return true;
    }
    
    if (!is_dir($dir)) {
        return unlink($dir);
    }
    
    foreach (scandir($dir) as $item) {
        if ($item == '.' || $item == '..') {
            continue;
        }
        
        if (!qdr_tss_delete_directory($dir . DIRECTORY_SEPARATOR . $item)) {
            return false;
        }
    }
    
    return rmdir($dir);
}

// Delete upload directory
qdr_tss_delete_directory(QDR_TSS_UPLOADS_DIR);

// Delete download page
$download_page = get_page_by_path('shared-file-download');
if ($download_page) {
    wp_delete_post($download_page->ID, true);
}

// Clear scheduled tasks
$timestamp = wp_next_scheduled('qdr_tss_purge_expired_files');
if ($timestamp) {
    wp_unschedule_event($timestamp, 'qdr_tss_purge_expired_files');
}

// Clear any transients
$wpdb->query("DELETE FROM $wpdb->options WHERE option_name LIKE '_transient_qdr_tss_%'");
$wpdb->query("DELETE FROM $wpdb->options WHERE option_name LIKE '_transient_timeout_qdr_tss_%'");