<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * Drops all plugin data only if the user has explicitly opted in via Settings.
 * By default, data is preserved. On Multisite, iterates all sites.
 *
 * @package MediaRightsAudit
 */

if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

global $wpdb;

if ( is_multisite() ) {
	// In Multisite, read the delete preference from the network settings option.
	$net_raw  = get_site_option( 'robotstxt_mediaaudit_network_settings', array() );
	$net_opts = is_array( $net_raw ) ? $net_raw : array();
	$delete   = ! empty( $net_opts['delete_on_uninstall'] );

	// Also check any site that may have its own setting.
	if ( ! $delete ) {
		// Check the main site's per-site setting as a fallback.
		switch_to_blog( get_main_site_id() );
		$site_raw  = get_option( 'robotstxt_mediaaudit_settings', array() );
		$site_opts = is_array( $site_raw ) ? $site_raw : array();
		$delete    = ! empty( $site_opts['delete_on_uninstall'] );
		restore_current_blog();
	}

	if ( ! $delete ) {
		return;
	}

	// Drop per-site tables for every site.
	$sites = get_sites(
		array(
			'fields' => 'ids',
			'number' => 0,
		)
	);
	if ( is_array( $sites ) ) {
		foreach ( $sites as $site_id ) {
			switch_to_blog( (int) $site_id );

			// phpcs:disable WordPress.DB.DirectDatabaseQuery
			$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_dismissed_alerts`" );
			$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_provider_status`" );
			$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_external_results`" );
			$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_media_usage`" );
			$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_media_index`" );
			// phpcs:enable WordPress.DB.DirectDatabaseQuery

			delete_option( 'robotstxt_mediaaudit_db_version' );
			delete_option( 'robotstxt_mediaaudit_settings' );

			restore_current_blog();
		}
	}

	// Drop the network mirror table (lives in main site DB, uses base_prefix).
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery,WordPress.DB.PreparedSQL.InterpolatedNotPrepared
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->base_prefix}mra_network_index`" );

	delete_site_option( 'robotstxt_mediaaudit_network_mode' );
	delete_site_option( 'robotstxt_mediaaudit_network_settings' );

} else {
	// Single-site uninstall.
	$raw      = get_option( 'robotstxt_mediaaudit_settings', array() );
	$settings = is_array( $raw ) ? $raw : array();
	$delete   = ! empty( $settings['delete_on_uninstall'] );

	if ( ! $delete ) {
		return;
	}

	// phpcs:disable WordPress.DB.DirectDatabaseQuery
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_dismissed_alerts`" );
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_provider_status`" );
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_external_results`" );
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_media_usage`" );
	$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}mra_media_index`" );
	// phpcs:enable WordPress.DB.DirectDatabaseQuery

	delete_option( 'robotstxt_mediaaudit_db_version' );
	delete_option( 'robotstxt_mediaaudit_settings' );
}