<?php
/**
 * Uninstall handler. Removes the mu-plugin watcher drop-in always, and the
 * plugin's data only if the user opted in.
 *
 * @package Culprit
 */

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

// Remove the mu-plugin watcher drop-in.
$culprit_mu_dir = defined( 'WPMU_PLUGIN_DIR' ) ? WPMU_PLUGIN_DIR : ( defined( 'WP_CONTENT_DIR' ) ? WP_CONTENT_DIR . '/mu-plugins' : '' );
if ( '' !== $culprit_mu_dir ) {
	$culprit_dropin = trailingslashit( $culprit_mu_dir ) . 'culprit-watcher.php';
	if ( file_exists( $culprit_dropin ) ) {
		wp_delete_file( $culprit_dropin );
	}
}

// Respect the delete-on-uninstall setting.
$culprit_settings = get_option( 'culprit_settings', array() );
$culprit_delete   = is_array( $culprit_settings ) && ! empty( $culprit_settings['delete_on_uninstall'] );

if ( $culprit_delete ) {
	global $wpdb;
	$culprit_table = $wpdb->prefix . 'culprit_incidents';
	// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.DirectDatabaseQuery.NoCaching, PluginCheck.Security.DirectDB.UnescapedDBParameter -- one-time uninstall cleanup of the plugin's own table; name from $wpdb->prefix + literal, nothing to cache.
	$wpdb->query( "DROP TABLE IF EXISTS {$culprit_table}" );

	delete_option( 'culprit_settings' );
	delete_option( 'culprit_schema_version' );
	delete_option( 'culprit_recent_changes' );
	delete_option( 'culprit_watcher_installed_version' );
	delete_option( 'culprit_watcher_unwritable' );
	delete_option( 'culprit_state_snapshots' );
	delete_option( 'culprit_hook_timeline' );
	delete_option( 'culprit_recovery_dismissed' );
	delete_option( 'culprit_scan_allowlist' );
	delete_transient( 'culprit_rest_status' );

	// Remove the capture buffer (resolved path stored in an option) and the
	// protection files in its folder.
	$culprit_buffer = (string) get_option( 'culprit_buffer_path', '' );
	if ( '' !== $culprit_buffer && file_exists( $culprit_buffer ) ) {
		wp_delete_file( $culprit_buffer );
	}
	if ( '' !== $culprit_buffer ) {
		$culprit_buffer_dir = dirname( $culprit_buffer );
		foreach ( array( 'index.php', '.htaccess' ) as $culprit_protect ) {
			if ( file_exists( $culprit_buffer_dir . '/' . $culprit_protect ) ) {
				wp_delete_file( $culprit_buffer_dir . '/' . $culprit_protect );
			}
		}
	}
	delete_option( 'culprit_buffer_path' );
	delete_option( 'culprit_watcher_optin' );
}