<?php

namespace App\MetadataResolver;

use GuzzleHttp\Client;

class DLsiteResolver implements Resolver
{
    /**
     * @var Client
     */
    private $client;
    /**
     * @var OGPResolver
     */
    private $ogpResolver;

    public function __construct(Client $client, OGPResolver $ogpResolver)
    {
        $this->client = $client;
        $this->ogpResolver = $ogpResolver;
    }

    public function resolve(string $url): Metadata
    {

        //スマホページの場合はPCページに正規化
        if (strpos($url, '-touch') !== false) {
            $url = str_replace('-touch', '', $url);
        }

        $res = $this->client->get($url);
        if ($res->getStatusCode() === 200) {
            $metadata = $this->ogpResolver->parse($res->getBody());

            $dom = new \DOMDocument();
            @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));
            $xpath = new \DOMXPath($dom);

            // 抽出
            $title = $xpath->query('//title')->item(0)->textContent;
            preg_match('~\[([^\[\]]*)\] \| DLsite.+$~', $title, $match);
            $maker = $match[1];

            // makerに一致するthのテキストを探す
            $makerHead = trim($xpath->query('//a[contains(text(), "'.$maker.'")]/ancestor::tr/th')->item(0)->textContent);

            // 余分な文を消す
            $metadata->title = trim(preg_replace('~ \[([^\[\]]*)\] \| DLsite(がるまに)?$~', '', $metadata->title));
            if (strpos($url, 'dlsite.com/eng/') || strpos($url, 'dlsite.com/ecchi-eng/')) {
                $metadata->description = trim(preg_replace('~DLsite.+ is a download shop for .+With a huge selection of products, we\'re sure you\'ll find whatever tickles your fancy\. DLsite is one of the greatest indie contents download shops in Japan\.$~', '', $metadata->description));
            } else {
                $metadata->description = trim(preg_replace('~「DLsite.+」は.+のダウンロードショップ。お気に入りの作品をすぐダウンロードできてすぐ楽しめる！毎日更新しているのであなたが探している作品にきっと出会えます。国内最大級の二次元総合ダウンロードショップ「DLsite」！$~', '', $metadata->description));
            }

            // 整形
            $metadata->description = $makerHead.': ' . $maker . PHP_EOL . $metadata->description;
            $metadata->image = str_replace('img_sam.jpg', 'img_main.jpg', $metadata->image);

            return $metadata;
        } else {
            throw new \RuntimeException("{$res->getStatusCode()}: $url");
        }
    }
}