<?php
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class FindFeedsTest extends PHPUnit_Framework_TestCase {

  private $http;

  public function setUp() {
    $this->client = new Feeds();
    $this->client->http = new p3k\HTTP\Test(dirname(__FILE__).'/data/');
    $this->client->mc = null;
  }

  private function parse($params) {
    $request = new Request($params);
    $response = new Response();
    return $this->client->find($request, $response);
  }

  // h-feed with no alternates
  public function testMf2HFeed() {
    $url = 'http://feed.example.com/h-feed-with-child-author';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/h-feed-with-child-author', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
  }

  // h-feed that links to Atom alternate
  public function testMf2WithAtomAlternate() {
    $url = 'http://feed.example.com/h-feed-with-atom-alternate';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(2, count($feeds));
    // Should rank h-feed above Atom
    $this->assertEquals('http://feed.example.com/h-feed-with-atom-alternate', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
    $this->assertEquals('http://feed.example.com/atom', $feeds[1]->url);
    $this->assertEquals('atom', $feeds[1]->type);
  }

  // h-feed that links to RSS alternate
  public function testMf2WithRSSAlternate() {
    $url = 'http://feed.example.com/h-feed-with-rss-alternate';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(2, count($feeds));
    // Should rank JSONFeed above Atom
    $this->assertEquals('http://feed.example.com/h-feed-with-rss-alternate', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
    $this->assertEquals('http://feed.example.com/podcast.xml', $feeds[1]->url);
    $this->assertEquals('rss', $feeds[1]->type);
  }

  // No mf2 but links to Atom alternate
  public function testNoMf2() {
    $url = 'http://feed.example.com/html-with-atom-alternate';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/atom', $feeds[0]->url);
    $this->assertEquals('atom', $feeds[0]->type);
  }

  public function testNoMf2WithJSONAndAtom() {
    $url = 'http://feed.example.com/html-with-json-and-atom';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(2, count($feeds));
    // Should rank JSONFeed above Atom
    $this->assertEquals('http://feed.example.com/jsonfeed', $feeds[0]->url);
    $this->assertEquals('jsonfeed', $feeds[0]->type);
    $this->assertEquals('http://feed.example.com/atom', $feeds[1]->url);
    $this->assertEquals('atom', $feeds[1]->type);
  }

  // input URL is an Atom feed
  public function testInputIsAtom() {
    $url = 'http://feed.example.com/atom';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/atom', $feeds[0]->url);
    $this->assertEquals('atom', $feeds[0]->type);
  }

  // input URL is an RSS feed with xml content type
  public function testInputIsRSSWithXML() {
    $url = 'http://feed.example.com/rss-xml-content-type';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/rss-xml-content-type', $feeds[0]->url);
    $this->assertEquals('rss', $feeds[0]->type);
  }

  // input URL redirects to an Atom feed
  public function testInputIsRedirectToAtom() {
    $url = 'http://feed.example.com/redirect-to-atom';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/atom', $feeds[0]->url);
    $this->assertEquals('atom', $feeds[0]->type);
  }

  // input URL is a temporary redirect to another page.
  // report the original input URL
  public function testInputIsTemporaryRedirect() {
    $url = 'http://feed.example.com/temporary-redirect';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/temporary-redirect', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
  }

  public function testInputIsPermanentRedirect() {
    $url = 'http://feed.example.com/permanent-redirect';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/permanent-redirect-target', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
  }

  // input URL is an RSS feed
  public function testInputIsRSS() {
    $url = 'http://feed.example.com/rss';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/rss', $feeds[0]->url);
    $this->assertEquals('rss', $feeds[0]->type);
  }

  // input URL is a JSON feed
  public function testInputIsJSONFeed() {
    $url = 'http://feed.example.com/jsonfeed';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/jsonfeed', $feeds[0]->url);
    $this->assertEquals('jsonfeed', $feeds[0]->type);
  }

  public function testInputIsMicroformats2JSON() {
    $url = 'http://feed.example.com/microformats2-json';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/microformats2-json', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
  }

  public function testInputIsMF2JSON() {
    $url = 'http://feed.example.com/mf2-json';
    $response = $this->parse(['url' => $url]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $feeds = json_decode($body)->feeds;

    $this->assertEquals(1, count($feeds));
    $this->assertEquals('http://feed.example.com/mf2-json', $feeds[0]->url);
    $this->assertEquals('microformats', $feeds[0]->type);
  }
}