<?php

namespace PSX\Schema\Parser\TypeSchema\Resolver;

use PSX\Http\Client\ClientInterface;
use PSX\Http\Client\PostRequest;
use PSX\Json\Parser;
use PSX\Schema\Exception\ParserException;
use PSX\Schema\Parser\TypeSchema\ResolverInterface;
use PSX\Uri\Uri;
use PSX\Uri\Url;

/**
 * Resolver which loads documents from the typehub.cloud platform
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class Document implements ResolverInterface
{
    private const API_URL = 'https://api.typehub.cloud/document/%s/%s/export';

    /** @var ClientInterface */
    private $httpClient;

    public function __construct(ClientInterface $httpClient)
    {
        $this->httpClient = $httpClient;
    }

    public function resolve(Uri $uri, ?string $basePath = null): \stdClass
    {
        $document = ltrim($uri->getPath(), '/');
        $user = $uri->getHost();
        $version = $uri->getParameter('version');

        $url = $this->export($user, $document, $version);

        $request  = new PostRequest($url, ['Accept' => 'application/json', 'User-Agent' => Http::USER_AGENT]);
        $response = $this->httpClient->request($request);

        if ($response->getStatusCode() !== 200) {
            throw new ParserException('Could not export provided document: ' . $user . '/' . $document . ' received ' . $response->getStatusCode());
        }

        return Parser::decode((string) $response->getBody());
    }

    private function export(string $user, string $document, ?string $version): Url
    {
        $request  = new PostRequest($this->getApiUrl($user, $document, $version), ['Accept' => 'application/json', 'User-Agent' => Http::USER_AGENT]);
        $response = $this->httpClient->request($request);

        if ($response->getStatusCode() !== 200) {
            throw new ParserException('Could not export provided document: ' . $user . '/' . $document . ' received ' . $response->getStatusCode());
        }

        $data = Parser::decode((string) $response->getBody(), true);

        $exportLink = $data['href'] ?? null;
        if (empty($exportLink)) {
            throw new ParserException('Could not find a fitting export url');
        }

        return new Url($exportLink);
    }

    private function getApiUrl(string $user, string $document, ?string $version): Url
    {
        $url = new Url(sprintf(self::API_URL, $user, $document));
        $parameters = ['format' => 'typeschema'];
        if (!empty($version)) {
            $parameters['version'] = $version;
        }

        return $url->withParameters($parameters);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDA1Njc1ODM3MDE4OTQ1MCA2ODI1NjMwNjI2NzczMjUxIDU4NzM2NjkxOTQ3NDI0NTI=