<?php
/**
 * Fired when the plugin is uninstalled.
 * This script must be self-contained and not rely on any plugin code.
 */

if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

// Función auxiliar para borrado recursivo
// phpcs:disable WordPress.WP.AlternativeFunctions
function advaipbl_uninstall_recursive_rmdir( $dir ) {
    if (!is_dir($dir)) return;
    $files = array_diff( scandir( $dir ), array( '.', '..' ) );
    foreach ( $files as $file ) {
        ( is_dir( "$dir/$file" ) ) ? advaipbl_uninstall_recursive_rmdir( "$dir/$file" ) : unlink( "$dir/$file" );
    }
    rmdir( $dir );
}
// phpcs:enable WordPress.WP.AlternativeFunctions

// Obtener la opción de borrado directamente de la base de datos.
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
$settings_option = get_option( 'advaipbl_settings' );

if ( ! empty( $settings_option['delete_data_on_uninstall'] ) && '1' === $settings_option['delete_data_on_uninstall'] ) {

	global $wpdb;

	// --- 1. Borrar Tablas Personalizadas ---
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	$tables_to_drop = [
		'advaipbl_logs', 'advaipbl_notifications_queue', 'advaipbl_ip_scores',
		'advaipbl_request_log', 'advaipbl_malicious_signatures', 'advaipbl_cache',
		'advaipbl_blocked_ips', 'advaipbl_endpoint_lockdowns', 'advaipbl_pending_reports', 'advaipbl_community_ips',
	];
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	foreach ( $tables_to_drop as $table_name ) {
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared
		$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . $table_name );
	}

	// --- 2. Borrar Opciones de la Tabla `wp_options` ---
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	$options_to_delete = [
		// Opciones principales y de configuración
		'advaipbl_settings',
		'advaipbl_waf_rules',
		'advaipbl_blocked_asns',
		'advaipbl_whitelisted_asns',
		'advaipbl_blocked_user_agents',
		'advaipbl_whitelisted_user_agents',
		'advaipbl_ips_whitelist',
		'advaipbl_honeypot_urls',
		'advaipbl_advanced_rules',
		
		// Opciones de sistema y estado
		'advaipbl_db_version',
		'advaipbl_version_installed',
		'advaipbl_run_setup_wizard',
		'advaipbl_admin_ip_whitelist_trigger',
		'advaipbl_usm_sessions_per_page',
		'advaipbl_telemetry_notice_dismissed',
		'advaipbl_ip_table_migration_complete',
		'advaipbl_legacy_options_cleaned',
		'advaipbl_autoload_version',
		'advaipbl_spamhaus_asn_list',
		'advaipbl_spamhaus_last_update',
		
		// Community Network
        'advaipbl_community_blocklist',
        'advaipbl_community_last_update',
		
		// Opciones de bloqueo (ahora obsoletas, para limpieza de instalaciones antiguas)
		'advaipbl_blocked_ips_manual',
		'advaipbl_blocked_ips_404',
		'advaipbl_blocked_ips_403',
		'advaipbl_blocked_ips_login',
		'advaipbl_blocked_ips_geoblock',
		'advaipbl_blocked_ips_honeypot',
		'advaipbl_blocked_ips_user_agent',
		'advaipbl_blocked_ips_waf',
		'advaipbl_blocked_ips_threat_score',
		'advaipbl_blocked_ips_rate_limit',
		'advaipbl_blocked_ips_asn',
		'advaipbl_blocked_ips_xmlrpc_block',
		'advaipbl_ips_bloqueadas_manual', // Alias en español
		'advaipbl_ips_bloqueadas_404',
		'advaipbl_ips_bloqueadas_403',
		'advaipbl_ips_bloqueadas_login',
		'advaipbl_ips_bloqueadas_geoblock',
		'advaipbl_ips_bloqueadas_honeypot',
		'advaipbl_ips_bloqueadas_user_agent',
		'advaipbl_ips_bloqueadas_waf',
		'advaipbl_ips_bloqueadas_threat_score',
		'advaipbl_ips_bloqueadas_rate_limit',
		'advaipbl_ips_bloqueadas_asn',
		'advaipbl_ips_bloqueadas_xmlrpc_block',

		// Opciones de legado con prefijo antiguo (con guion)
		'advanced-ip-blocker_ips_bloqueadas_404',
		'advanced-ip-blocker_ips_bloqueadas_403',
		'advanced-ip-blocker_ips_bloqueadas_login',
		'advanced-ip-blocker_ips_bloqueadas_honeypot',
		'advanced-ip-blocker_ips_bloqueadas_user_agent',
		'advanced-ip-blocker_settings',
		'advanced-ip-blocker_blocked_user_agents',
		'advanced-ip-blocker_whitelisted_user_agents',
		'advanced-ip-blocker_ips_whitelist',
		'advanced-ip-blocker_ips_bloqueadas_manual',
		'advanced-ip-blocker_honeypot_urls',
        
        // Internal Security
        'advaipbl_fim_baseline_hashes',
	];
	
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	foreach ( $options_to_delete as $option_name ) {
		delete_option( $option_name );
	}

	// --- 3. Borrar Transients ---
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE `option_name` LIKE %s OR `option_name` LIKE %s", $wpdb->esc_like( '_transient_advaipbl_' ) . '%', $wpdb->esc_like( '_transient_timeout_advaipbl_' ) . '%' ) );

	// --- 4. Borrar Metadatos de Usuario de 2FA ---
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->usermeta} WHERE `meta_key` LIKE %s", $wpdb->esc_like( '_advaipbl_2fa_' ) . '%' ) );
	
	// --- 5. Limpieza de Archivos y Directorios ---
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	$upload_dir = wp_upload_dir();
    
    // A. Directorio GeoIP
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
	$geoip_dir  = $upload_dir['basedir'] . '/advaipbl_geoip';
	if ( is_dir( $geoip_dir ) ) {
		advaipbl_uninstall_recursive_rmdir( $geoip_dir );
	}

    // B. Directorio de Backups Htaccess
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
    $backup_dir = $upload_dir['basedir'] . '/advaipbl-backups';
    if ( is_dir( $backup_dir ) ) {
        advaipbl_uninstall_recursive_rmdir( $backup_dir );
    }

    // C. Limpiar reglas del .htaccess
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/misc.php';
    // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound   
    $htaccess_path = get_home_path() . '.htaccess';
	// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_is_writable
    if ( file_exists( $htaccess_path ) && is_writable( $htaccess_path ) ) {
        insert_with_markers( $htaccess_path, 'Advanced IP Blocker', [] );
    }
}

// --- Limpiar Tareas de Cron SIEMPRE ---
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
$cron_hooks = [
    'advaipbl_purge_old_logs_event', 'advaipbl_send_summary_email',
    'advaipbl_update_spamhaus_list_event', 'advaipbl_send_telemetry_data_event',
    'advaipbl_threat_score_decay_event', 'advaipbl_signature_analysis_event',
    'advaipbl_update_geoip_db_event', 'advaipbl_cleanup_expired_cache_event',
    'advaipbl_scheduled_scan_event', 'advaipbl_daily_fim_scan',
    'advaipbl_cloudflare_cleanup_event'
];
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
foreach ($cron_hooks as $hook) {
    wp_clear_scheduled_hook($hook);
}