<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * @package Ashbi_Mega_Menu
 */

// If uninstall not called from WordPress, exit.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

// Capability check.
if ( ! current_user_can( 'activate_plugins' ) ) {
	return;
}

// Prevent running twice.
if ( defined( 'ABMM_UNINSTALLING' ) ) {
	return;
}
define( 'ABMM_UNINSTALLING', true );

/* ------------------------------------------------------------------
   Remove plugin data, only where a site chose that in Tools. Deleting the
   plugin keeps menus by default, so a reinstall brings them back.
   ------------------------------------------------------------------ */
$abmm_option_keys = array(
	'abmm_menus',
	'abmm_archived_menus',
	'abmm_product_profiles',
	'abmm_product_branding',
	'abmm_plugin_version',
	'abmm_import_backups',
	'abmm_menu_versions',
	'abmm_contextual_navigation_enabled',
	'widget_abmm_widget',
	'abmm_collection_lock',
	'abmm_emm_takeover',
	'abmm_emm_import_state',
	'abmm_classic_assets',
	'abmm_emm_switch_backup',
	'abmm_emm_menu_ids',
	'abmm_delete_data_on_uninstall',
);

// Site options and recovery drafts belong to each site's own options table.
$abmm_cleanup_site = static function () use ( $abmm_option_keys ) {
	foreach ( $abmm_option_keys as $abmm_key ) {
		delete_option( $abmm_key );
	}
	delete_transient( 'abmm_menu_reference_summaries' );
	delete_transient( 'abmm_emm_menus_in_use' );
	delete_transient( 'abmm_emm_shortcode_in_use' );
	delete_transient( 'abmm_emm_source_installed' );

	// Recovery drafts use unpredictable transient keys; remove every plugin-owned key.
	global $wpdb;
	$abmm_transient_prefix = $wpdb->esc_like( '_transient_abmm_product_draft_' ) . '%';
	$abmm_recovery_options = $wpdb->get_col( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Uninstall must enumerate unpredictable plugin-owned transient keys once; results must not be cached.
		$wpdb->prepare( "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s", $abmm_transient_prefix ) // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Core-owned table name.
	);
	foreach ( $abmm_recovery_options as $abmm_recovery_option ) {
		delete_option( $abmm_recovery_option );
		delete_option( str_replace( '_transient_', '_transient_timeout_', $abmm_recovery_option ) );
	}

	// Styles and icons copied from Easy Mega Menu by the importer (Easy Mega Menu's own files are untouched).
	if ( function_exists( 'wp_upload_dir' ) && function_exists( 'wp_delete_file' ) ) {
		$abmm_uploads = wp_upload_dir( null, false );
		$abmm_classic = empty( $abmm_uploads['error'] ) ? rtrim( $abmm_uploads['basedir'], '/\\' ) . '/ashbi-mega-menu/classic' : '';
		if ( '' !== $abmm_classic && is_dir( $abmm_classic ) ) {
			foreach ( (array) glob( $abmm_classic . '/emm-*' ) as $abmm_file ) {
				wp_delete_file( $abmm_file );
			}
		}
	}
};

// Network-wide data goes only once every site has chosen to delete its own.
$abmm_every_site_opted = true;
$abmm_cleanup_if_opted = static function () use ( $abmm_cleanup_site, &$abmm_every_site_opted ) {
	if ( get_option( 'abmm_delete_data_on_uninstall', false ) ) {
		$abmm_cleanup_site();
	} else {
		$abmm_every_site_opted = false;
	}
};

$abmm_can_remove_onboarding = true;
if ( is_multisite() ) {
	$abmm_network_id = get_current_network_id();
	// Onboarding user metadata is global, so retain it if another network exists.
	$abmm_can_remove_onboarding = empty(
		get_networks(
			array(
				'fields'          => 'ids',
				'number'          => 1,
				'network__not_in' => array( $abmm_network_id ),
			)
		)
	);
	// Bound memory use on large networks; never stop at get_sites()' default limit.
	$abmm_offset = 0;
	do {
		$abmm_site_ids = get_sites(
			array(
				'network_id' => $abmm_network_id,
				'fields'     => 'ids',
				'number'     => 100,
				'offset'     => $abmm_offset,
				'orderby'    => 'id',
				'order'      => 'ASC',
			)
		);
		foreach ( $abmm_site_ids as $abmm_site_id ) {
			switch_to_blog( $abmm_site_id );
			try {
				$abmm_cleanup_if_opted();
			} finally {
				restore_current_blog();
			}
		}
		$abmm_batch_count = count( $abmm_site_ids );
		$abmm_offset     += $abmm_batch_count;
	} while ( 100 === $abmm_batch_count );
} else {
	$abmm_cleanup_if_opted();
}

if ( ! $abmm_every_site_opted ) {
	return;
}

// Preserve cleanup of any legacy network-level plugin options.
foreach ( $abmm_option_keys as $abmm_key ) {
	delete_site_option( $abmm_key );
}

/* ------------------------------------------------------------------
   Remove user onboarding state
   ------------------------------------------------------------------ */
if ( $abmm_can_remove_onboarding && function_exists( 'delete_metadata' ) ) {
	delete_metadata( 'user', 0, 'abmm_onboarding_complete', '', true );
}