<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * Removes all plugin data: database tables, options, transients, scheduled events.
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

// Single site.
hey_feedback_uninstall_site();

// Multisite: clean up each site.
if ( is_multisite() ) {
	$hey_feedback_site_ids = get_sites( array( 'fields' => 'ids' ) );

	foreach ( $hey_feedback_site_ids as $hey_feedback_site_id ) {
		switch_to_blog( $hey_feedback_site_id );
		hey_feedback_uninstall_site();
		restore_current_blog();
	}
}

/**
 * Removes all plugin data for the current site.
 */
function hey_feedback_uninstall_site() {
	global $wpdb;

	// Drop tables.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query( $wpdb->prepare( "DROP TABLE IF EXISTS %i", $wpdb->prefix . 'hey_feedback_meta' ) );
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query( $wpdb->prepare( "DROP TABLE IF EXISTS %i", $wpdb->prefix . 'hey_feedback_responses' ) );
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query( $wpdb->prepare( "DROP TABLE IF EXISTS %i", $wpdb->prefix . 'hey_feedback_items' ) );

	// Delete options.
	delete_option( 'hey_feedback_settings' );
	delete_option( 'hey_feedback_db_version' );
	delete_option( 'hey_feedback_last_digest' );

	// Clean transients.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query(
		$wpdb->prepare(
			"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
			$wpdb->esc_like( '_transient_hey_feedback_rl_' ) . '%',
			$wpdb->esc_like( '_transient_timeout_hey_feedback_rl_' ) . '%'
		)
	);

	// Delete user meta.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query(
		$wpdb->prepare(
			"DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE %s",
			$wpdb->esc_like( 'hey_feedback_' ) . '%'
		)
	);

	// Unschedule cron events.
	wp_clear_scheduled_hook( 'hey_feedback_send_digest' );
}