<?php

/**
 * Vvveb
 *
 * Copyright (C) 2022  Ziadin Givan
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

namespace Vvveb\Component;

use Vvveb\System\Component\ComponentBase;
use Vvveb\System\Event;
use Vvveb\System\Locale;

class Languages extends ComponentBase {
	/** @var array{start: int, limit: int, status: int} Default options for language listing. */
	public static array $defaultOptions = [
		'start'  => 1,
		'limit'  => 1000,
		'status' => 1,
	];

	/** @var array<string, mixed> Resolved options for this component. */
	protected array $options = [];

	/** @var int Cache expiry time in seconds (0 = disabled). */
	public int $cacheExpire = 0;

	/**
	 * Disable caching for this component.
	 *
	 * @return string|null Always returns false to disable caching.
	 */
	public function cacheKey(): ?string {
		// disable caching
		return null;
	}

	/**
	 * Get available languages and the currently active language.
	 *
	 * @return array{language: array<string, mixed>, current?: string, active?: array{name: string, code: string, slug: string, id: mixed}}
	 */
	public function results(): array {
		$results             = [];
		$results['language'] = Locale::availableLanguages();

		if ($results['language']) {
			$results['current'] = $code = self :: $global['language'];

			if (! isset($results['language'][$code])) {
				$results['current'] = $code = key($results['language']);
			}

			$language           = $results['language'][$code] ?? [];
			$results['active']  = [];

			// if selected language not install default to english
			if ($language) {
			$results['active'] = [
				'name' => $language['name'],
				'code' => $language['code'],
				'slug' => $language['slug'],
				'id'   => $language['language_id'],
			];
		}
		}

		list($results) = Event::trigger(__CLASS__, __FUNCTION__, $results);

		return $results;
	}
}
