<?php
/**
 * Runs when the plugin is DELETED (not deactivated).
 *
 * Destructive only if the owner opted in under QRSVP → Settings → "Delete
 * ALL QRSVP events, guests and settings when the plugin is deleted". Losing
 * a guest list because somebody tidied up the plugins screen would be
 * unforgivable, so the default is to leave every row where it is.
 *
 * Plugin classes are not loaded here; this file stands alone.
 *
 * @package QRSVP
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * @return void
 */
function qrsvp_uninstall_site() {
	global $wpdb;

	wp_clear_scheduled_hook( 'qrsvp_retention' );

	$settings = get_option( 'qrsvp_settings' );

	if ( ! is_array( $settings ) || empty( $settings['delete_data_on_uninstall'] ) ) {
		return;
	}

	foreach ( array( 'qrsvp_link_visits', 'qrsvp_short_links', 'qrsvp_payments', 'qrsvp_guests', 'qrsvp_registrations', 'qrsvp_email_log', 'qrsvp_events' ) as $table ) {
		$wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS %i', $wpdb->prefix . $table ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery
	}

	foreach ( array( 'qrsvp_settings', 'qrsvp_db_version', 'qrsvp_kit_snapshot', 'qrsvp_legal_pages', 'qrsvp_retention_last_run', 'qrsvp_home_before', 'qrsvp_self_erased', 'qrsvp_rewrite_version', 'qrsvp_legal_layout' ) as $option ) {
		delete_option( $option );
	}

	$wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE '\\_transient\\_qrsvp\\_%' OR option_name LIKE '\\_transient\\_timeout\\_qrsvp\\_%'" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery

	// Cached QR images.
	$uploads = wp_upload_dir( null, false );
	$dir     = trailingslashit( $uploads['basedir'] ) . 'qrsvp';

	if ( is_dir( $dir . '/qr' ) ) {
		foreach ( (array) glob( $dir . '/qr/*' ) as $file ) {
			wp_delete_file( $file );
		}
		foreach ( array( '/qr/index.php', '/index.php', '/.htaccess' ) as $file ) {
			wp_delete_file( $dir . $file );
		}

		// The folders through WordPress's filesystem, as QRSVP_Files writes
		// them (this file stands alone). Not recursive: anything someone
		// else put there stays, and so does its folder.
		require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
		require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
		$fs = new WP_Filesystem_Direct( null );
		$fs->rmdir( $dir . '/qr' );
		$fs->rmdir( $dir );
	}

	remove_role( 'qrsvp_door_staff' );
	remove_role( 'qrsvp_event_manager' );

	// Which events each person could work on (QRSVP → Team).
	delete_metadata( 'user', 0, 'qrsvp_event_access', '', true );

	foreach ( wp_roles()->role_objects as $role ) {
		foreach ( array( 'qrsvp_manage_events', 'qrsvp_check_in', 'qrsvp_view_reports' ) as $cap ) {
			$role->remove_cap( $cap );
		}
	}

	// Pages the plugin generated (event, door, ticket, confirmation, legal
	// drafts) are the owner's content now and are left alone.
}

if ( is_multisite() ) {
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $qrsvp_site ) {
		switch_to_blog( (int) $qrsvp_site );
		qrsvp_uninstall_site();
		restore_current_blog();
	}
} else {
	qrsvp_uninstall_site();
}