<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * Drops custom database tables and removes
 * plugin options when the delete-data setting is enabled. Data is preserved by default.
 *
 * @package    AcrossAI_Abilities_Manager
 * @since      0.0.1
 */

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

global $wpdb;

// Respect the user's "delete data on uninstall" setting.
$acrossai_delete_data = (bool) get_option( 'acrossai_abilities_uninstall_delete_data', 0 );

if ( $acrossai_delete_data ) {
	$acrossai_abilities_table = $wpdb->prefix . 'acrossai_abilities';

	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.DirectDatabaseQuery.SchemaChange
	$wpdb->query(
		$wpdb->prepare( 'DROP TABLE IF EXISTS %i', $acrossai_abilities_table )
	);
	\delete_option( 'acrossai_abilities_db_version' );

	// Per-consumer access-control table (wpb-access-control v2+, Feature 039).
	// Slug 'abilities' matches AcrossAI_Abilities_Access_Control::TABLE_SLUG — hardcoded here
	// because uninstall.php runs before the plugin autoloader and cannot reference the constant.
	// The legacy {prefix}wpb_access_control table and wpb_access_control_db_version option are
	// intentionally left orphaned on existing installs (no backward-compat migration).
	$acrossai_access_control_table = $wpdb->prefix . 'abilities_access_control';

	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.DirectDatabaseQuery.SchemaChange
	$wpdb->query(
		$wpdb->prepare( 'DROP TABLE IF EXISTS %i', $acrossai_access_control_table )
	);
	\delete_option( 'wpb_ac_abilities_db_version' );

	// Legacy Logger table (Feature 006 → removed in Feature 040).
	// The plugin no longer creates this table on activation, but existing installs
	// may still have it and its schema-version option. Drop both on opt-in uninstall.
	$acrossai_logs_table = $wpdb->prefix . 'acrossai_ability_logs';

	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.DirectDatabaseQuery.SchemaChange
	$wpdb->query(
		$wpdb->prepare( 'DROP TABLE IF EXISTS %i', $acrossai_logs_table )
	);
	\delete_option( 'acrossai_ability_logs_db_version' );

	// Action Scheduler cleanup — the Logger scheduled recurring cleanup actions
	// on the acrossai_ability_logger_cleanup hook (removed in Feature 040).
	// Drain any pending queue entries. Guarded — safe when AS is inactive.
	if ( function_exists( 'as_unschedule_all_actions' ) ) {
		as_unschedule_all_actions( 'acrossai_ability_logger_cleanup' );
	}

	// Remove plugin settings options on uninstall.
	\delete_option( 'acrossai_abilities_log_retention_days' );
	\delete_option( 'acrossai_abilities_uninstall_delete_data' );
	\delete_option( 'acrossai_abilities_per_page' );

	// Remove Library config on uninstall (Feature 027).
	\delete_site_option( 'acrossai_library_config' );

	// Feature 046 — Absorbed Core Settings option (extra MIME types).
	// Sits inside the existing $acrossai_delete_data gate per
	// PATTERN-UNINSTALL-DATA-GATE / BUG-UNINSTALL-OPTIONS-OUTSIDE-GATE.
	\delete_option( 'acrossai_abilities_manager_extra_mimes' );

	// Feature 088 — Ability-level suggested-plugins kill-switch.
	\delete_option( 'acrossai_disable_plugin_suggestions' );

	// Feature 095 — Ability-level suggested-abilities kill-switch.
	\delete_option( 'acrossai_disable_ability_suggestions' );

	// Feature 092 — File Manager path allowlists + secret redactor options.
	\delete_option( 'acrossai_file_manager_write_allowlist' );
	\delete_option( 'acrossai_file_manager_read_allowlist' );
	\delete_option( 'acrossai_file_manager_redaction_config' );

	// Feature 093 — Content Filters options.
	\delete_option( 'acrossai_file_manager_dangerous_extensions' );
	\delete_option( 'acrossai_file_manager_block_double_extensions' );
	\delete_option( 'acrossai_file_manager_htaccess_directive_scan' );
	\delete_option( 'acrossai_file_manager_sanitize_filename_check' );
	\delete_option( 'acrossai_file_manager_write_max_bytes' );
	\delete_option( 'acrossai_file_manager_sensitive_read_denylist' );
	\delete_option( 'acrossai_file_manager_strict_filename_filter' );
	\delete_option( 'acrossai_file_manager_mime_type_check' );

	// Feature 094 — Backup & Audit toggle options.
	\delete_option( 'acrossai_file_manager_backup_enabled' );
	\delete_option( 'acrossai_file_manager_backup_retention_days' );
	\delete_option( 'acrossai_file_manager_audit_log_enabled' );
	\delete_option( 'acrossai_file_manager_audit_log_retention_days' );

	// Feature 094 — recursively delete on-disk backup + log dirs. The dirs
	// live under wp-content/ with Deny-from-all .htaccess guards inside.
	// Uses native PHP filesystem here because uninstall.php runs BEFORE the
	// plugin autoloader — WP_Filesystem_Init isn't reachable.
	$acrossai_dirs_to_purge = array(
		WP_CONTENT_DIR . '/acrossai-file-manager-backups',
		WP_CONTENT_DIR . '/acrossai-file-manager-logs',
	);
	foreach ( $acrossai_dirs_to_purge as $acrossai_dir ) {
		if ( ! is_dir( $acrossai_dir ) ) {
			continue;
		}
		$acrossai_iter = new \RecursiveIteratorIterator(
			new \RecursiveDirectoryIterator( $acrossai_dir, \FilesystemIterator::SKIP_DOTS ),
			\RecursiveIteratorIterator::CHILD_FIRST
		);
		foreach ( $acrossai_iter as $acrossai_path ) {
			if ( $acrossai_path->isDir() ) {
				// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir, WordPress.PHP.NoSilencedErrors.Discouraged -- WP_Filesystem is not available during uninstall; @ suppresses expected "not empty" races.
				@rmdir( $acrossai_path->getPathname() );
			} else {
				\wp_delete_file( $acrossai_path->getPathname() );
			}
		}
		// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir, WordPress.PHP.NoSilencedErrors.Discouraged -- WP_Filesystem is not available during uninstall; @ suppresses expected "not empty" races.
		@rmdir( $acrossai_dir );
	}
}