<?php
/**
 * Removes PrintBlob's settings and mockups when the plugin is deleted.
 *
 * Customer designs and print files belong to orders, so they are kept unless
 * PRINTBLOB_REMOVE_ALL_DATA is set to true in wp-config.php.
 *
 * @package PrintBlob
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

global $wpdb;

$printblob_stored = wp_json_file_decode( __DIR__ . '/assets/stored-keys.json', array( 'associative' => true ) );
// Unread, a post type would make get_posts() read the site's posts and the print folder would be the uploads folder.
$printblob_named = static function ( $name ): bool {
	return is_string( $name ) && '' !== $name;
};
if ( ! is_array( $printblob_stored ) || ! $printblob_named( $printblob_stored['post_types']['mockup'] ?? null ) || ! $printblob_named( $printblob_stored['post_types']['design'] ?? null ) || ! $printblob_named( $printblob_stored['print_folder'] ?? null ) ) {
	return;
}

foreach ( $printblob_stored['options'] as $printblob_option ) {
	delete_option( $printblob_option );
}
foreach ( $printblob_stored['transients'] as $printblob_transient ) {
	delete_transient( $printblob_transient );
}
foreach ( $printblob_stored['transient_prefixes'] as $printblob_prefix ) {
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s", $wpdb->esc_like( '_transient_' . $printblob_prefix ) . '%', $wpdb->esc_like( '_transient_timeout_' . $printblob_prefix ) . '%' ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Uninstall: the hourly design-save counters carry a hash and the hour in their names, no API deletes transients by prefix, and nothing is cached afterwards.
}
foreach ( $printblob_stored['cron_hooks'] as $printblob_hook ) {
	wp_clear_scheduled_hook( $printblob_hook );
}
foreach ( $printblob_stored['user_meta'] as $printblob_user_meta ) {
	delete_metadata( 'user', 0, $printblob_user_meta, '', true );
}

// Every post of a type, or every attachment of a post, by ID.
$printblob_all = array(
	'post_status' => 'any',
	'numberposts' => -1,
	'fields'      => 'ids',
);
foreach ( get_posts( array( 'post_type' => $printblob_stored['post_types']['mockup'] ) + $printblob_all ) as $printblob_mockup ) {
	wp_delete_post( $printblob_mockup, true );
}

if ( defined( 'PRINTBLOB_REMOVE_ALL_DATA' ) && PRINTBLOB_REMOVE_ALL_DATA ) {
	foreach ( get_posts( array( 'post_type' => $printblob_stored['post_types']['design'] ) + $printblob_all ) as $printblob_design ) {
		$printblob_previews = get_children(
			array(
				'post_parent' => $printblob_design,
				'post_type'   => 'attachment',
			) + $printblob_all
		);
		foreach ( $printblob_previews as $printblob_preview ) {
			wp_delete_attachment( $printblob_preview, true );
		}
		wp_delete_post( $printblob_design, true );
	}
	$printblob_uploads = wp_upload_dir();
	$printblob_dir     = trailingslashit( $printblob_uploads['basedir'] ) . $printblob_stored['print_folder'];
	if ( is_dir( $printblob_dir ) ) {
		require_once ABSPATH . 'wp-admin/includes/file.php';
		WP_Filesystem();
		global $wp_filesystem;
		$wp_filesystem->delete( $printblob_dir, true );
	}
	foreach ( $printblob_stored['post_meta'] as $printblob_post_meta ) {
		delete_metadata( 'post', 0, $printblob_post_meta, '', true );
	}
	foreach ( $printblob_stored['post_meta_prefixes'] as $printblob_prefix ) {
		$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->postmeta} WHERE meta_key LIKE %s", $wpdb->esc_like( $printblob_prefix ) . '%' ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Uninstall: one key per side and other plugins add sides, so the keys are not known here; nothing is cached afterwards.
	}
	foreach ( $printblob_stored['term_meta'] as $printblob_term_meta ) {
		delete_metadata( 'term', 0, $printblob_term_meta, '', true );
	}
}