<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * Removes the plugin's options (settings, the kit, the stored secrets, the
 * webhook log, the Vercel connection) and temporary data. The design of each
 * page, the saved templates, the custom fonts, icon sets and code snippets and
 * the form submissions are the owner's content, so they are deleted only when
 * "Also delete every page design, template…" was ticked on Settings > Advanced.
 * The pages themselves and the files in the media library are never deleted.
 *
 * @link       https://www.softvoltai.com/
 * @since      1.0.0
 *
 * @package    Nexwordx
 */

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

/**
 * Remove the plugin's data from the current site.
 */
function nexwordx_uninstall_site() {
	global $wpdb;

	$settings = get_option( 'nexwordx_settings', array() );
	if ( is_array( $settings ) && ! empty( $settings['deleteOnUninstall'] ) ) {
		// Templates, submissions and custom elements, the ones in the Trash included. The post
		// types are not registered during uninstall; the query needs only their names.
		$post_ids = get_posts(
			array(
				'post_type'      => array( 'nexwordx_library', 'nexwordx_submission', 'nexwordx_font', 'nexwordx_icons', 'nexwordx_code' ),
				'post_status'    => array( 'any', 'trash', 'auto-draft' ),
				'posts_per_page' => -1,
				'fields'         => 'ids',
			)
		);
		foreach ( $post_ids as $post_id ) {
			wp_delete_post( $post_id, true );
		}

		// The template categories: the taxonomy is registered for this one cleanup.
		if ( ! taxonomy_exists( 'nexwordx_library_category' ) ) {
			register_taxonomy( 'nexwordx_library_category', 'nexwordx_library', array( 'public' => false ) );
		}
		$term_ids = get_terms(
			array(
				'taxonomy'   => 'nexwordx_library_category',
				'hide_empty' => false,
				'fields'     => 'ids',
			)
		);
		if ( is_array( $term_ids ) ) {
			foreach ( $term_ids as $term_id ) {
				wp_delete_term( (int) $term_id, 'nexwordx_library_category' );
			}
		}

		// Every builder meta on every post (the posts themselves stay: they are the owner's pages).
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-off cleanup on uninstall; no API deletes meta by prefix.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE FROM {$wpdb->postmeta} WHERE meta_key LIKE %s",
				$wpdb->esc_like( '_nexwordx_' ) . '%'
			)
		);
	}

	$options = array(
		'nexwordx_settings',
		'nexwordx_secrets',
		'nexwordx_kit',
		'nexwordx_version',
		'nexwordx_frontend_log',
		'nexwordx_widgets_hash',
		'nexwordx_posts_widget_pages',
		'nexwordx_vercel',
		'nexwordx_vercel_job',
	);
	foreach ( $options as $option ) {
		delete_option( $option );
	}
	// Options the modules keep under the plugin's prefix (transients are handled below).
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-off cleanup on uninstall; no API lists options by prefix.
	$prefixed = $wpdb->get_col(
		$wpdb->prepare(
			"SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s",
			$wpdb->esc_like( 'nexwordx_' ) . '%'
		)
	);
	foreach ( (array) $prefixed as $option ) {
		delete_option( (string) $option );
	}
	delete_transient( 'nexwordx_activated' );
	delete_transient( 'nexwordx_widgets_hash' );
	delete_transient( 'nexwordx_frontend_status' );
	delete_transient( 'nexwordx_rollback_versions' );

	// Any other short-lived transient with the plugin's prefix.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-off cleanup on uninstall; no API lists transients by prefix.
	$wpdb->query(
		$wpdb->prepare(
			"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
			$wpdb->esc_like( '_transient_nexwordx_' ) . '%',
			$wpdb->esc_like( '_transient_timeout_nexwordx_' ) . '%'
		)
	);
}

if ( is_multisite() ) {
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $nexwordx_site_id ) {
		switch_to_blog( $nexwordx_site_id );
		nexwordx_uninstall_site();
		restore_current_blog();
	}
} else {
	nexwordx_uninstall_site();
}