<?php
/**
 * Fired when the plugin is uninstalled.
 */

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

// El nombre de la opción principal donde se guardan los ajustes.
$settings_option_name = 'advaipbl_settings';
$options              = get_option( $settings_option_name );

// Solo proceder si la opción de borrado de datos está marcada.
if ( ! empty( $options['delete_data_on_uninstall'] ) && '1' === $options['delete_data_on_uninstall'] ) {

	global $wpdb;

	// --- Borrar Tablas Personalizadas ---
	// Usamos un bloque de ignore porque phpcs desaconseja las consultas DROP TABLE directas,
	// pero es necesario y seguro en un archivo de desinstalación.
	// phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_logs' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_notifications_queue' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_ip_scores' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_request_log' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_malicious_signatures' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_cache' );
	$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'advaipbl_blocked_ips' );
	// phpcs:enable

		// --- Borrar Opciones de la Tabla `wp_options` ---
	$options_to_delete = [
		'advaipbl_settings',
		// --- Opciones de Sistema y Legado ---
		'advaipbl_db_version',
		'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',
		'advaipbl_waf_rules',
		'advaipbl_blocked_asns',
		'advaipbl_blocked_user_agents',
		'advaipbl_whitelisted_user_agents',
		'advaipbl_ips_whitelist',
		'advaipbl_honeypot_urls',
		// --- Opciones de Bloqueo Migradas (Limpieza por si la migración no se ejecutó) ---
		'advaipbl_ips_bloqueadas_manual',
		'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 ---
		'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',
		// --- Opciones Huérfanas de Módulos ---
		'advaipbl_recaptcha_enable',
		'advaipbl_recaptcha_site_key',
		'advaipbl_recaptcha_secret_key',
		'advaipbl_recaptcha_version',
		'advaipbl_recaptcha_score_threshold',
	];

	foreach ( $options_to_delete as $option_name ) {
		delete_option( $option_name );
	}

	// --- Borrar Transients Relacionados ---
	// 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_' ) . '%' ) );

	// Borrar Metadatos de Usuario de 2FA
	$usermeta_keys_to_delete = [
		'_advaipbl_2fa_secret',
		'_advaipbl_2fa_enabled_at',
		'_advaipbl_2fa_backup_codes',
		'_advaipbl_2fa_temp_secret',
		'_advaipbl_2fa_setup_required',
	];
	$placeholders              = implode( ', ', array_fill( 0, count( $usermeta_keys_to_delete ), '%s' ) );
	// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->usermeta} WHERE meta_key IN ({$placeholders})", $usermeta_keys_to_delete ) );

	// --- Borrar Directorio de GeoIP ---
	$upload_dir = wp_upload_dir();
	$geoip_dir  = $upload_dir['basedir'] . '/advaipbl_geoip';
	if ( is_dir( $geoip_dir ) ) {
		// phpcs:disable WordPress.WP.AlternativeFunctions
		function advaipbl_uninstall_recursive_rmdir( $dir ) {
			$files = array_diff( scandir( $dir ), array( '.', '..' ) );
			foreach ( $files as $file ) {
				( is_dir( "$dir/$file" ) ) ? advaipbl_uninstall_recursive_rmdir( "$dir/$file" ) : unlink( "$dir/$file" );
			}
			return rmdir( $dir );
		}
		advaipbl_uninstall_recursive_rmdir( $geoip_dir );
		// phpcs:enable WordPress.WP.AlternativeFunctions
	}
}

// --- Limpiar Tareas de Cron SIEMPRE, sin importar la opción de borrado ---
wp_clear_scheduled_hook( 'advaipbl_purge_old_logs_event' );
wp_clear_scheduled_hook( 'advaipbl_send_summary_email' );
wp_clear_scheduled_hook( 'advaipbl_update_spamhaus_list_event' );
wp_clear_scheduled_hook( 'advaipbl_send_telemetry_data_event' );
wp_clear_scheduled_hook( 'advaipbl_threat_score_decay_event' );
wp_clear_scheduled_hook( 'advaipbl_signature_analysis_event' );
wp_clear_scheduled_hook( 'advaipbl_update_geoip_db_event' );
wp_clear_scheduled_hook( 'advaipbl_cleanup_expired_cache_event' );