<?php
/**
 * Removes Maple Parcel's own settings and caches.
 *
 * Orders and the tracking numbers stored on them are left alone on purpose:
 * they are the store's records, not the plugin's data.
 *
 * Two ways in: the free build's uninstall.php, and the premium build's
 * after_uninstall action in maple-parcel.php (the premium zip cannot ship an
 * uninstall.php). Both need it, so it lives here.
 *
 * Free and Pro share every setting, so nothing is deleted while the other
 * edition is still installed: deleting the free plugin after upgrading must
 * not take Pro's keys and zones with it.
 */

declare(strict_types=1);

defined( 'ABSPATH' ) || exit;

if ( ! function_exists( 'bbmmp_other_edition_installed' ) ) {
	/**
	 * Whether another copy of Maple Parcel (free or Pro, in any folder) is
	 * installed besides the one being uninstalled.
	 *
	 * @param string $self_dir Folder name of the copy being uninstalled.
	 */
	function bbmmp_other_edition_installed( string $self_dir ): bool {
		if ( ! function_exists( 'get_plugins' ) ) {
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

		foreach ( get_plugins() as $file => $data ) {
			if ( 'maple-parcel' === ( $data['TextDomain'] ?? '' ) && dirname( $file ) !== $self_dir ) {
				return true;
			}
		}

		return false;
	}
}

if ( ! function_exists( 'bbmmp_uninstall_cleanup' ) ) {
	/**
	 * Deletes the options and transients Maple Parcel created, including the
	 * stored Canada Post keys and the cached OAuth token.
	 */
	function bbmmp_uninstall_cleanup(): void {
		global $wpdb;

		// The folder this file sits in (includes/) belongs to the copy being uninstalled.
		if ( bbmmp_other_edition_installed( basename( dirname( __DIR__ ) ) ) ) {
			return;
		}

		// Our own options (bbmmp_health and any added later).
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off cleanup on uninstall.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s",
				$wpdb->esc_like( 'bbmmp_' ) . '%'
			)
		);

		// The store-wide settings and per-zone instance settings belong to the shipping method ID.
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off cleanup on uninstall.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s",
				$wpdb->esc_like( 'woocommerce_bbmmp_canada_post_' ) . '%'
			)
		);

		// The free build's Pro notice, dismissed per user.
		delete_metadata( 'user', 0, 'bbmmp_pro_notice_dismissed', '', true );

		// Tokens and rate quotes are transients with variable names.
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off cleanup on uninstall.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
				$wpdb->esc_like( '_transient_bbmmp_' ) . '%',
				$wpdb->esc_like( '_transient_timeout_bbmmp_' ) . '%'
			)
		);
	}
}