<?php
/**
 * Uninstall cleanup.
 *
 * @package A360_Insights
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Remove A360 Insights data for a single site when enabled in settings.
 *
 * @return void
 */
function a360_insights_uninstall_site_cleanup() {
	global $wpdb;

	wp_clear_scheduled_hook( 'a360_insights_daily_cleanup' );

	$settings = get_option( 'a360_insights_settings', array() );

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

	$tables = array(
		$wpdb->prefix . 'a360_insights_events',
		$wpdb->prefix . 'a360_insights_views', // Legacy table name used by early builds.
	);

	foreach ( $tables as $table_name ) {
		$table_name = esc_sql( $table_name );

		$wpdb->query( "DROP TABLE IF EXISTS `{$table_name}`" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Required during uninstall to remove plugin tables when the user opted in.
	}

	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Deletes plugin post meta during uninstall when explicitly enabled.
	$wpdb->delete(
		$wpdb->postmeta,
		array( 'meta_key' => '_a360_insights_total_views' ),
		array( '%s' )
	);

	if ( function_exists( 'wp_cache_flush_group' ) ) {
		wp_cache_flush_group( 'a360_insights' );
	} else {
		wp_cache_delete( 'admin_counts', 'a360_insights' );
		wp_cache_delete( 'dashboard_summary', 'a360_insights' );
	}

	delete_option( 'a360_insights_settings' );
	delete_option( 'a360_insights_db_version' );
}

/**
 * Check whether this plugin is network active.
 *
 * @return bool
 */
function a360_insights_is_network_active() {
	if ( ! is_multisite() ) {
		return false;
	}

	$active_sitewide_plugins = get_site_option( 'active_sitewide_plugins', array() );

	return isset( $active_sitewide_plugins['a360-insights/a360-insights.php'] );
}

if ( is_multisite() && a360_insights_is_network_active() ) {
	$a360_insights_site_ids = get_sites(
		array(
			'fields' => 'ids',
			'number' => 0,
		)
	);

	foreach ( $a360_insights_site_ids as $a360_insights_site_id ) {
		switch_to_blog( (int) $a360_insights_site_id );
		a360_insights_uninstall_site_cleanup();
		restore_current_blog();
	}
} else {
	a360_insights_uninstall_site_cleanup();
}