<?php

namespace common\modules\pages\urls;

use common\modules\pages\repositories\read\PageReadRepository;
use core\helpers\LanguageHelper;
use yii\base\BaseObject;
use yii\caching\Cache;
use yii\caching\TagDependency;
use yii\web\Request;
use yii\web\UrlManager;
use yii\web\UrlNormalizerRedirectException;
use yii\web\UrlRuleInterface;
use InvalidArgumentException;

class PageMainUrlRule extends BaseObject implements UrlRuleInterface
{
    public string $prefix = '';

    private PageReadRepository $repository;
    private Cache $cache;

    public function __construct(PageReadRepository $repository, Cache $cache, $config = [])
    {
        parent::__construct($config);
        $this->repository = $repository;
        $this->cache      = $cache;
    }

    /**
     * @param UrlManager $manager
     * @param Request $request
     * @return bool|array
     * @throws UrlNormalizerRedirectException
     */
    public function parseRequest($manager, $request): bool|array
    {
        $uri = ltrim(LanguageHelper::processLangInUrl($request->pathInfo), '/');
        if (preg_match('#^' . $this->prefix . '([0-9a-z_\-]*)$#is', $uri, $matches)) {
            $path = $matches['1'];

            $result = $this->cache->getOrSet(['page_main_route', 'path' => $path], function () use ($path) {
                if (!$post = $this->repository->findBySlug($this->getPathSlug($path))) {
                    return ['id' => null, 'path' => null];
                }

                return ['id' => $post->id, 'path' => $post->slug];
            }, null, new TagDependency(['tags' => ['pages']]));

            if (empty($result['id'])) {
                return false;
            }

            if ($path != $result['path']) {
                throw new UrlNormalizerRedirectException(['pages/page/view', 'id' => $result['id']], 301);
            }

            return ['pages/page/view', ['id' => $result['id']]];
        }
        return false;
    }

    public function createUrl($manager, $route, $params): bool|string
    {
        if ($route == 'pages/page/view') {
            if (empty($params['id'])) {
                throw new InvalidArgumentException('Empty id.');
            }
            $id = $params['id'];
            $url = $this->cache->getOrSet(['page_main_route', 'id' => $id], function () use ($id) {
                if (!$page = $this->repository->find($id)) {
                    return null;
                }
                return $page->slug;
            }, null, new TagDependency(['tags' => ['pages']]));

            if (!$url) {
                return '#';
            }
            return LanguageHelper::addLangToUrl($url, $params['language'] ?? null);
        }
        return false;
    }

    private function getPathSlug($path): string
    {
        $chunks = explode('/', $path);
        return end($chunks);
    }
}