<?php

use Phly\Http\Response;
use GuzzleHttp\Client;
use Phly\Http\ServerRequestFactory;
use Phly\Http\ServerRequest;

require __DIR__.'/vendor/autoload.php';

function send(Response $response)
{
    http_response_code($response->getStatusCode());

    foreach ($response->getHeaders() as $header => $values) {
        header(sprintf('%s: %s', $header, implode(', ', $values)));
    }

    echo $response->getBody();
}

function doRequest(ServerRequest $request, Client $client)
{
    $headers = [];

    foreach ($request->getHeaders() as $name => $value) {
        $headers[$name] = $value[0];
    }

    $url = sprintf(
        'https://bittrex.com/api/v1.1/%s',
        ltrim($request->getServerParams()['PATH_INFO'], '/')
    );

    unset($headers['host']);

    return $client->request(
        $request->getMethod(),
        $url,
        [
            'headers' => $headers,
            'body' => $request->getBody(),
        ]
    );
}

$apiResponse = doRequest(
    ServerRequestFactory::fromGlobals(),
    new Client()
);

send(new Response(
    $apiResponse->getBody(),
    $apiResponse->getStatusCode(),
    $apiResponse->getHeaders()
));