<?php

/**
* ownCloud - News
*
* @author Alessandro Cosentino
* @author Bernhard Posselt
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
* @copyright 2012 Bernhard Posselt nukeawhale@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
*
*/

namespace {
	class DatabaseException extends Exception{};	
}


namespace OCA\News\Bl {

require_once(__DIR__ . "/../classloader.php");

use \OCA\AppFramework\Db\DoesNotExistException;

use \OCA\News\Db\Feed;
use \OCA\News\Db\Item;
use \OCA\News\Utility\Fetcher;
use \OCA\News\Utility\FetcherException;

class FeedBlTest extends \OCA\AppFramework\Utility\TestUtility {

	protected $api;
	protected $mapper;
	protected $bl;
	protected $user;
	protected $response;
	protected $fetcher;
	protected $itemMapper;

	protected function setUp(){
		$this->api = $this->getAPIMock();
		$this->mapper = $this->getMockBuilder('\OCA\News\Db\FeedMapper')
			->disableOriginalConstructor()
			->getMock();
		$this->fetcher = $this->getMockBuilder('\OCA\News\Utility\Fetcher')
			->disableOriginalConstructor()
			->getMock();
		$this->itemMapper = $this->getMockBuilder('\OCA\News\Db\ItemMapper')
			->disableOriginalConstructor()
			->getMock();
		$this->bl = new FeedBl($this->mapper, 
			$this->fetcher, $this->itemMapper, $this->api);
		$this->user = 'jack';
		$response = 'hi';
	}


	public function testFindAllFromUser(){
		$this->mapper->expects($this->once())
			->method('findAllFromUser')
			->with($this->equalTo($this->user))
			->will($this->returnValue($this->response));

		$result = $this->bl->findAllFromUser($this->user);
		$this->assertEquals($this->response, $result);
	}


	public function testCreateDoesNotFindFeed(){
		$ex = new FetcherException('hi');
		$url = 'test';
		$this->mapper->expects($this->once())
			->method('findByUrlHash')
			->with($this->equalTo(md5($url)), $this->equalTo($this->user))
			->will($this->throwException(new DoesNotExistException('yo')));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->with($this->equalTo($url))
			->will($this->throwException($ex));
		$this->setExpectedException('\OCA\News\Bl\BLException');
		$this->bl->create($url, 1, $this->user);
	}

	public function testCreate(){
		$url = 'test';
		$folderId = 10;
		$createdFeed = new Feed();
		$ex = new DoesNotExistException('yo');
		$createdFeed->setUrl($url);
		$return = array(
			$createdFeed,
			array(new Item(), new Item())
		);

		$this->mapper->expects($this->once())
			->method('findByUrlHash')
			->with($this->equalTo(md5($url)), $this->equalTo($this->user))
			->will($this->throwException($ex));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->with($this->equalTo($url))
			->will($this->returnValue($return));
		$this->mapper->expects($this->once())
			->method('insert')
			->with($this->equalTo($createdFeed))
			->will($this->returnValue($createdFeed));
		$this->itemMapper->expects($this->at(0))
			->method('insert')
			->with($this->equalTo($return[1][1]));
		$this->itemMapper->expects($this->at(1))
			->method('insert')
			->with($this->equalTo($return[1][0]));
		
		$feed = $this->bl->create($url, $folderId, $this->user);

		$this->assertEquals($feed->getFolderId(), $folderId);
		$this->assertEquals($feed->getUrl(), $url);
	}

	public function testCreateFeedExistsAlready(){
		$url = 'test';
		$this->mapper->expects($this->once())
			->method('findByUrlHash')
			->with($this->equalTo(md5($url)), $this->equalTo($this->user));
		$this->setExpectedException('\OCA\News\Bl\BLException');
		$this->bl->create($url, 1, $this->user);
	}


	public function testUpdateCreatesNewEntry(){
		$feed = new Feed();
		$feed->setId(3);
		$feed->getUrl('test');

		$item = new Item();
		$item->setGuidHash(md5('hi'));
		$items = array(
			$item
		);

		$fetchReturn = array($feed, $items);

		$this->mapper->expects($this->once())
			->method('find')
			->with($this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($feed));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->will($this->returnValue($fetchReturn));
		$this->itemMapper->expects($this->once())
			->method('insert')
			->with($this->equalTo($items[0]));
		
		$this->bl->update($feed->getId(), $this->user);
	}


	public function testUpdateUpdatesEntryNotWhenPubDateSame(){
		$feed = new Feed();
		$feed->setId(3);
		$feed->getUrl('test');
		$ex = new \DatabaseException('');

		$item = new Item();
		$item->setGuidHash(md5('hi'));
		$item->setPubDate(3333);
		$items = array(
			$item
		);

		$fetchReturn = array($feed, $items);

		$this->mapper->expects($this->once())
			->method('find')
			->with($this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($feed));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->will($this->returnValue($fetchReturn));
		$this->itemMapper->expects($this->once())
			->method('insert')
			->with($this->equalTo($items[0]))
			->will($this->throwException($ex));
		$this->itemMapper->expects($this->once())
			->method('findByGuidHash')
			->with($this->equalTo($item->getGuidHash()), 
					$this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($item));
		
		$this->bl->update($feed->getId(), $this->user);
	}


	public function testUpdateUpdatesEntry(){
		$feed = new Feed();
		$feed->setId(3);
		$feed->getUrl('test');
		$ex = new \DatabaseException('');

		$item = new Item();
		$item->setGuidHash(md5('hi'));
		$item->setPubDate(3333);
		$items = array(
			$item
		);

		$item2 = new Item();
		$item2->setPubDate(111);

		$fetchReturn = array($feed, $items);

		$this->mapper->expects($this->once())
			->method('find')
			->with($this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($feed));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->will($this->returnValue($fetchReturn));
		$this->itemMapper->expects($this->at(0))
			->method('insert')
			->with($this->equalTo($items[0]))
			->will($this->throwException($ex));
		$this->itemMapper->expects($this->once())
			->method('findByGuidHash')
			->with($this->equalTo($item->getGuidHash()), 
					$this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($item2));
		$this->itemMapper->expects($this->at(2))
			->method('delete')
			->with($this->equalTo($item2));
		$this->itemMapper->expects($this->at(3))
			->method('insert')
			->with($this->equalTo($item));
		
		$this->bl->update($feed->getId(), $this->user);
		$this->assertTrue($item->isUnread());
	}


	public function testCreateUpdateFails(){
		$feed = new Feed();
		$feed->setId(3);
		$feed->getUrl('test');
		$ex = new FetcherException('');

		$this->mapper->expects($this->once())
			->method('find')
			->with($this->equalTo($feed->getId()),
					$this->equalTo($this->user))
			->will($this->returnValue($feed));
		$this->fetcher->expects($this->once())
			->method('fetch')
			->will($this->throwException($ex));
		$this->api->expects($this->once())
			->method('log');
		
		$this->bl->update($feed->getId(), $this->user);
	}

	public function testMove(){
		$feedId = 3;
		$folderId = 4;
		$feed = new Feed();
		$feed->setFolderId(16);
		$feed->setId($feedId);

		$this->mapper->expects($this->once())
			->method('find')
			->with($this->equalTo($feedId), $this->equalTo($this->user))
			->will($this->returnValue($feed));

		$this->mapper->expects($this->once())
			->method('update')
			->with($this->equalTo($feed));

		$this->bl->move($feedId, $folderId, $this->user);

		$this->assertEquals($folderId, $feed->getFolderId());
	}


}

}