<?php
/**
 * Uninstall GPL Times
 *
 * This file runs when the plugin is deleted through WordPress admin.
 * It cleans up all plugin data from the database.
 *
 * @package GPLTimes
 */

// Exit if not called by WordPress
if (!defined('WP_UNINSTALL_PLUGIN')) {
    exit;
}

/**
 * Backward Compatibility Toggle
 * Keep in sync with gpltimes.php
 * Set to false when all users have upgraded to v4.1.0+
 */
$gpltimes_backward_compat = true;

/**
 * Clean up all plugin data on uninstall
 */

// Current cron hooks
$cron_hooks = [
    'gpl_plugin_update_check',
    'gpltimes_auth_recheck',
    'gpltimes_delayed_refresh',
    'gpltimes_auto_update',
    'gpltimes_cleanup_backups',
];

// Legacy cron hooks (only when backward compatibility is enabled)
if ($gpltimes_backward_compat) {
    $legacy_cron_hooks = [
        'gpl_cron_hook',
        'gpl_cron_hook_time',
        'gpl_cron_hook_member',
        'gpl_time_check',
        'gpl_member_check',
    ];
    $cron_hooks = array_merge($cron_hooks, $legacy_cron_hooks);
}

foreach ($cron_hooks as $hook) {
    wp_clear_scheduled_hook($hook);
}

// Current options
$options = [
    'username',
    'password',
    'gplstatus',
    'gpltokenid',
    'gpltimes_api_key',
    'gpltimestatus',
    'gplcrondata',
    'gpltimes_last_update_check',
    'gpldiffslug',
    'gplpluginlistslug',
    'current_time_gpl',
    'gplpluginactive',
    'gpltimes_whitelabel_settings',
    'gplcrondatamember',
    'gpluncheckdata',
    'gpltimes_beta_updates',
    'gpltimes_version',
    'gpl_membership_details',
    'gpltimes_autoupdate_settings',
    'gpltimes_autoupdate_items',
    'gpltimes_update_log',
    'gpltimes_rollback_settings',
];

// Legacy options (only when backward compatibility is enabled)
if ($gpltimes_backward_compat) {
    $legacy_options = [
        'packagereturndata',
        'gplcheckedstatus',
        'gplslugdetails',
        'gpltheme_slugdetails',
    ];
    $options = array_merge($options, $legacy_options);
}

foreach ($options as $option) {
    delete_option($option);
}

// Delete all transients
$transients = [
    'gpltimes_api_result',
    'gpltimes_daily_check_transient',
    'gpltimes_notice_data',
    'gpltimes_filtered_updates',
];

foreach ($transients as $transient) {
    delete_transient($transient);
}

// Clean up site transients
delete_site_transient('update_plugins');
delete_site_transient('update_themes');

// Clear rollback backups directory
$backup_dir = WP_CONTENT_DIR . '/gpltimes-backups';
if (is_dir($backup_dir)) {
    $iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($backup_dir, RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::CHILD_FIRST
    );
    foreach ($iterator as $file) {
        if ($file->isDir()) {
            @rmdir($file->getPathname());
        } else {
            @unlink($file->getPathname());
        }
    }
    @rmdir($backup_dir);
}

// Clear any plugin cache
wp_cache_flush();