<?php

namespace App\MetadataResolver;

use GuzzleHttp\Client;

class PlurkResolver 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
    {
        $res = $this->client->get($url);
        $metadata = $this->ogpResolver->parse($res->getBody());

        $dom = new \DOMDocument();
        @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));
        $xpath = new \DOMXPath($dom);
        $imageNode = $xpath->query('//div[@class="text_holder"]/a[1]')->item(0);

        if ($imageNode) {
            $metadata->image = $imageNode->getAttribute('href');
        }

        return $metadata;
    }
}