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

class FetchTest extends PHPUnit_Framework_TestCase {

  private $http;

  public function setUp() {
    $this->client = new Parse();
    $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 $this->client->parse($request, $response);
  }

  public function testRedirectLimit() {
    $url = 'http://redirect.example.com/3';
    $response = $this->parse([
      'url' => $url,
      'max_redirects' => 1
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('too_many_redirects', $data->error);

    $url = 'http://redirect.example.com/2';
    $response = $this->parse([
      'url' => $url,
      'max_redirects' => 1
    ]);
    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('too_many_redirects', $data->error);
  }

  public function testRedirectUnderLimit() {
    $url = 'http://redirect.example.com/2';
    $response = $this->parse([
      'url' => $url,
      'max_redirects' => 2
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals(200, $data->code);
    $this->assertEquals('The Final Page', $data->data->name);
    $this->assertEquals('http://redirect.example.com/0', $data->url);
  }

  public function testReturnsHTTPStatusCode() {
    $url = 'http://redirect.example.com/code-418';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals($url, $data->url);
    $this->assertEquals(418, $data->code);
  }

  public function testReturnsForbidden() {
    $url = 'http://redirect.example.com/code-403';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('forbidden', $data->error);
    $this->assertEquals($url, $data->url);
    $this->assertEquals(403, $data->code);
  }

  public function testReturnsUnauthorized() {
    $url = 'http://redirect.example.com/code-401';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('unauthorized', $data->error);
    $this->assertEquals($url, $data->url);
    $this->assertEquals(401, $data->code);
  }

  public function testDeleted() {
    $url = 'http://source.example.com/deleted-gone';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals(410, $data->code);
    $this->assertEquals('This post has been deleted.', $data->data->content->text);
  }

  public function testDeletedEmptyBody() {
    $url = 'http://source.example.com/deleted-empty';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals(410, $data->code);
    $this->assertEquals('unknown', $data->data->type);
  }

  public function testDeletedTargetProvided() {
    $url = 'http://source.example.com/deleted-gone';
    $response = $this->parse([
      'url' => $url,
      'target' => 'http://example.com/'
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('no_link_found', $data->error);
    $this->assertEquals(410, $data->code);
  }

  public function testMetaEquivDeleted() {
    $url = 'http://source.example.com/deleted';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals(410, $data->code);
    $this->assertEquals('This post has been deleted.', $data->data->content->text);
  }

  public function testMetaEquivDeletedCaps() {
    $url = 'http://source.example.com/deleted-2';
    $response = $this->parse([
      'url' => $url
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals(410, $data->code);
    $this->assertEquals('This post has been deleted.', $data->data->content->text);
  }

  public function testMetaEquivDeletedTargetProvided() {
    // for example when verifying a webmention but the source was replaced with an html deleted page

    $url = 'http://source.example.com/deleted';
    $response = $this->parse([
      'url' => $url,
      'target' => 'http://example.com/'
    ]);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('no_link_found', $data->error);
    $this->assertEquals(410, $data->code);
  }
}