<?php
/**
 * Removes Fixlight's settings and check results when the plugin is deleted,
 * unless the owner chose to keep them. Alt text saved to the media library
 * is WordPress content and always stays.
 *
 * @package Fixlight
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

$fixlight_uninstall = static function () {
	$settings = get_option( 'fixlight_settings', array() );
	if ( is_array( $settings ) && isset( $settings['delete_data'] ) && ! $settings['delete_data'] ) {
		return;
	}

	// The statement page Fixlight made would show a bare shortcode once the plugin is gone.
	$statement = get_option( 'fixlight_statement', array() );
	if ( is_array( $statement ) && ! empty( $statement['page_id'] ) ) {
		$page = get_post( (int) $statement['page_id'] );
		if ( $page && false !== strpos( $page->post_content, '[fixlight_statement' ) ) {
			wp_trash_post( $page->ID );
		}
	}

	global $wpdb;
	// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange -- Uninstall cleanup.
	$wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS %i, %i, %i, %i', $wpdb->prefix . 'fixlight_issues', $wpdb->prefix . 'fixlight_pages', $wpdb->prefix . 'fixlight_events', $wpdb->prefix . 'fixlight_reports' ) );
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s", $wpdb->esc_like( '_transient_fixlight_' ) . '%', $wpdb->esc_like( '_transient_timeout_fixlight_' ) . '%' ) );
	// phpcs:enable
	delete_post_meta_by_key( '_fixlight_decorative' );
	delete_post_meta_by_key( '_fixlight_ai_suggestion' );

	foreach ( array( 'fixlight_settings', 'fixlight_db_version', 'fixlight_scan_state', 'fixlight_ledger', 'fixlight_statement', 'fixlight_hosted', 'fixlight_scan_lock', 'fixlight_events_seeded', 'fixlight_installed_at', 'fixlight_stats_id', 'fixlight_stats_sent', 'fixlight_overlays' ) as $option ) {
		delete_option( $option );
	}
	delete_transient( 'fixlight_scan_token' ); // Also clears them from a persistent object cache.
	delete_transient( 'fixlight_summary' );
	wp_clear_scheduled_hook( 'fixlight_daily' );
	wp_clear_scheduled_hook( 'fixlight_scan_chunk' );
	wp_unschedule_hook( 'fixlight_scan_post' );
	wp_clear_scheduled_hook( 'fixlight_purge_soon' );
};

if ( is_multisite() ) {
	$fixlight_sites = get_sites(
		array(
			'fields' => 'ids',
			'number' => 0,
		)
	);
	foreach ( $fixlight_sites as $fixlight_site ) {
		switch_to_blog( $fixlight_site );
		$fixlight_uninstall();
		restore_current_blog();
	}
} else {
	$fixlight_uninstall();
}
// Users are shared by every site of a network: their answers to the review request go once.
delete_metadata( 'user', 0, 'fixlight_review_ask', '', true );
delete_metadata( 'user', 0, 'fixlight_overlays_hidden', '', true );