<?php

/**
 * Active Theme Resolver
 *
 * Resolves the active Themewinter theme to its vector-database key so the search
 * tools can scope retrieval to the current theme's documentation.
 *
 * @package Aisentic\Agent\Utils
 */

namespace Aisentic\Agent\Utils;

defined( 'ABSPATH' ) || exit;

/**
 * Active_Theme_Resolver class
 */
class Active_Theme_Resolver {

	/**
	 * Themewinter theme folder slugs. Single source of truth; a theme's vector-DB
	 * key is "{slug}-theme" (e.g. "cafesio" -> "cafesio-theme").
	 *
	 * @var string[]
	 */
	private const THEME_SLUGS = [
		'exhibz',
		'digiqole',
		'instive',
		'bizxpo',
		'cafesio',
		'gloreya',
		'eventplace',
		'autrics',
		'deliciko',
		'qoxag',
	];

	/**
	 * Suffix appended to a theme slug to form its vector-database key.
	 */
	private const THEME_KEY_SUFFIX = '-theme';

	/**
	 * Resolve the active Themewinter theme's vector-DB key.
	 *
	 * Reads the active theme (stylesheet + parent template, so child themes work)
	 * rather than the screen ID, which cannot identify the theme in the Customizer.
	 *
	 * @return string Key such as "cafesio-theme", or '' if not a Themewinter theme.
	 */
	public static function get_active_theme_key(): string {
		foreach ( [ get_stylesheet(), get_template() ] as $slug ) {
			if ( in_array( $slug, self::THEME_SLUGS, true ) ) {
				return $slug . self::THEME_KEY_SUFFIX;
			}
		}

		return '';
	}

	/**
	 * Get the Themewinter theme folder slugs.
	 *
	 * @return string[]
	 */
	public static function get_theme_slugs(): array {
		return self::THEME_SLUGS;
	}

	/**
	 * Get every theme vector-database key ("{slug}-theme").
	 *
	 * @return string[]
	 */
	public static function get_all_theme_keys(): array {
		return array_map(
			static function ( string $slug ): string {
				return $slug . self::THEME_KEY_SUFFIX;
			},
			self::THEME_SLUGS
		);
	}
}