<?php
/**
 * Nextcloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Alessandro Cosentino <cosenal@gmail.com>
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright Alessandro Cosentino 2012
 * @copyright Bernhard Posselt 2012, 2014
 */

namespace OCA\News\Db;


use OCA\News\Utility\Time;

class FeedMapperTest extends \OCA\News\Tests\Unit\Db\MapperTestUtility {

    private $mapper;
    private $feeds;

    protected function setUp(){
        parent::setUp();

        $this->mapper = new FeedMapper($this->db, new Time());

        // create mock feeds
        $feed1 = new Feed();
        $feed2 = new Feed();

        $this->feeds = [$feed1, $feed2];
        $this->user = 'herman';
    }


    public function testFind(){
        $userId = 'john';
        $id = 3;
        $rows = [
          ['id' => $this->feeds[0]->getId()],
        ];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`id` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $params = [$id, $userId];
        $this->setMapperResult($sql, $params, $rows);

        $result = $this->mapper->find($id, $userId);
        $this->assertEquals($this->feeds[0], $result);

    }


    public function testFindNotFound(){
        $userId = 'john';
        $id = 3;
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`id` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $params = [$id, $userId];
        $this->setMapperResult($sql, $params);

        $this->setExpectedException(
            '\OCP\AppFramework\Db\DoesNotExistException'
        );
        $this->mapper->find($id, $userId);
    }


    public function testFindMoreThanOneResultFound(){
        $userId = 'john';
        $id = 3;
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`id` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $params = [$id, $userId];
        $this->setMapperResult($sql, $params, $rows);

        $this->setExpectedException(
            '\OCP\AppFramework\Db\MultipleObjectsReturnedException'
        );
        $this->mapper->find($id, $userId);
    }


    public function testFindAll(){
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` '.
                'ON `feeds`.`folder_id` = `folders`.`id` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE (`feeds`.`folder_id` = 0 ' .
                'OR `folders`.`deleted_at` = 0' .
            ')' .
            'AND `feeds`.`deleted_at` = 0 ' .
            'GROUP BY `feeds`.`id`';

        $this->setMapperResult($sql, [], $rows);

        $result = $this->mapper->findAll();
        $this->assertEquals($this->feeds, $result);
    }


    public function testFindAllFromUser(){
        $userId = 'john';
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` '.
                'ON `feeds`.`folder_id` = `folders`.`id` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`user_id` = ? ' .
            'AND (`feeds`.`folder_id` = 0 ' .
                'OR `folders`.`deleted_at` = 0' .
            ')' .
            'AND `feeds`.`deleted_at` = 0 ' .
            'GROUP BY `feeds`.`id`';
        $this->setMapperResult($sql, [$userId], $rows);

        $result = $this->mapper->findAllFromUser($userId);
        $this->assertEquals($this->feeds, $result);
    }


    public function testFindByUrlHash(){
        $urlHash = md5('hihi');
        $row = [['id' => $this->feeds[0]->getId()]];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`url_hash` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $this->setMapperResult($sql, [$urlHash, $this->user], $row);

        $result = $this->mapper->findByUrlHash($urlHash, $this->user);
        $this->assertEquals($this->feeds[0], $result);
    }


    public function testFindByUrlHashNotFound(){
        $urlHash = md5('hihi');
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`url_hash` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $this->setMapperResult($sql, [$urlHash, $this->user]);

        $this->setExpectedException(
            '\OCP\AppFramework\Db\DoesNotExistException'
        );
        $this->mapper->findByUrlHash($urlHash, $this->user);
    }


    public function testFindByUrlHashMoreThanOneResultFound(){
        $urlHash = md5('hihi');
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
            'FROM `*PREFIX*news_feeds` `feeds` ' .
            'LEFT JOIN `*PREFIX*news_items` `items` ' .
                'ON `feeds`.`id` = `items`.`feed_id` ' .
                'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' .
                StatusFlag::UNREAD . ' ' .
            'WHERE `feeds`.`url_hash` = ? ' .
                'AND `feeds`.`user_id` = ? ' .
                'GROUP BY `feeds`.`id`';
        $this->setMapperResult($sql, [$urlHash, $this->user], $rows);

        $this->setExpectedException(
            '\OCP\AppFramework\Db\MultipleObjectsReturnedException'
        );
        $this->mapper->findByUrlHash($urlHash, $this->user);
    }


    public function testDelete(){
        $feed = new Feed();
        $feed->setId(3);

        $sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `id` = ?';
        $arguments = [$feed->getId()];

        $sql2 = 'DELETE FROM `*PREFIX*news_items` WHERE `feed_id` = ?';
        $arguments2 = [$feed->getId()];

        $pdoResult = $this->getMock('Result', ['fetch']);
        $pdoResult->expects($this->any())->method('fetch');

        $this->setMapperResult($sql, $arguments);
        $this->setMapperResult($sql2, $arguments2);

        $this->mapper->delete($feed);

    }


    public function testGetPurgeDeleted(){
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $deleteOlderThan = 110;
        $sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
            'WHERE `deleted_at` > 0 ' .
            'AND `deleted_at` < ? ';
        $this->setMapperResult($sql, [$deleteOlderThan], $rows);
        $result = $this->mapper->getToDelete($deleteOlderThan);

        $this->assertEquals($this->feeds, $result);
    }


    public function testGetPurgeDeletedFromUser(){
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];
        $deleteOlderThan = 110;
        $sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
            'WHERE `deleted_at` > 0 ' .
            'AND `deleted_at` < ? ' .
            'AND `user_id` = ?';
        $this->setMapperResult($sql, [$deleteOlderThan, $this->user], $rows);
        $result = $this->mapper->getToDelete($deleteOlderThan, $this->user);

        $this->assertEquals($this->feeds, $result);
    }


    public function testGetAllPurgeDeletedFromUser(){
        $rows = [
            ['id' => $this->feeds[0]->getId()],
            ['id' => $this->feeds[1]->getId()]
        ];

        $sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
            'WHERE `deleted_at` > 0 ' .
            'AND `user_id` = ?';
        $this->setMapperResult($sql, [$this->user], $rows);
        $result = $this->mapper->getToDelete(null, $this->user);

        $this->assertEquals($this->feeds, $result);
    }


    public function testDeleteFromUser(){
        $userId = 'john';
        $sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `user_id` = ?';

        $this->setMapperResult($sql, [$userId]);

        $this->mapper->deleteUser($userId);
    }


}