<?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>
 * @author    David Guillot <david@guillot.me>
 * @copyright 2012 Alessandro Cosentino
 * @copyright 2012-2014 Bernhard Posselt
 * @copyright 2018 David Guillot
 */

namespace OCA\News\Tests\Unit\Controller;

use OCA\News\Controller\FolderApiController;
use \OCP\AppFramework\Http;
use \OCP\AppFramework\Http\JSONResponse;

use \OCA\News\Service\ServiceNotFoundException;
use \OCA\News\Service\ServiceConflictException;
use \OCA\News\Service\ServiceValidationException;

use \OCA\News\Db\Folder;
use \OCA\News\Db\Feed;
use \OCA\News\Db\Item;

use PHPUnit\Framework\TestCase;


class FolderApiControllerTest extends TestCase
{

    private $folderService;
    private $itemService;
    private $folderAPI;
    private $appName;
    private $userSession;
    private $user;
    private $request;
    private $msg;

    protected function setUp() 
    {
        $this->appName = 'news';
        $this->request = $this->getMockBuilder(
            '\OCP\IRequest'
        )
            ->disableOriginalConstructor()
            ->getMock();
        $this->userSession = $this->getMockBuilder(
            '\OCP\IUserSession'
        )
            ->disableOriginalConstructor()
            ->getMock();
        $this->user = $this->getMockBuilder(
            '\OCP\IUser'
        )
            ->disableOriginalConstructor()
            ->getMock();
        $this->userSession->expects($this->any())
            ->method('getUser')
            ->will($this->returnValue($this->user));
        $this->user->expects($this->any())
            ->method('getUID')
            ->will($this->returnValue('123'));
        $this->folderService = $this->getMockBuilder(
            '\OCA\News\Service\FolderService'
        )
            ->disableOriginalConstructor()
            ->getMock();
        $this->itemService = $this->getMockBuilder(
            '\OCA\News\Service\ItemService'
        )
            ->disableOriginalConstructor()
            ->getMock();
        $this->folderAPI = new FolderApiController(
            $this->appName,
            $this->request,
            $this->userSession,
            $this->folderService,
            $this->itemService
        );
        $this->msg = 'test';
    }


    public function testIndex() 
    {
        $folders = [new Folder()];

        $this->folderService->expects($this->once())
            ->method('findAll')
            ->with($this->equalTo($this->user->getUID()))
            ->will($this->returnValue($folders));

        $response = $this->folderAPI->index();

        $this->assertEquals(
            [
            'folders' => [$folders[0]->toAPI()]
            ], $response
        );
    }


    public function testCreate() 
    {
        $folderName = 'test';
        $folder = new Folder();
        $folder->setName($folderName);

        $this->folderService->expects($this->once())
            ->method('purgeDeleted')
            ->with($this->equalTo($this->user->getUID()), $this->equalTo(false));
        $this->folderService->expects($this->once())
            ->method('create')
            ->with($this->equalTo($folderName), $this->equalTo($this->user->getUID()))
            ->will($this->returnValue($folder));

        $response = $this->folderAPI->create($folderName);

        $this->assertEquals(
            [
            'folders' => [$folder->toAPI()]
            ], $response
        );
    }


    public function testCreateAlreadyExists() 
    {
        $msg = 'exists';

        $this->folderService->expects($this->once())
            ->method('purgeDeleted')
            ->with($this->equalTo($this->user->getUID()), $this->equalTo(false));
        $this->folderService->expects($this->once())
            ->method('create')
            ->will($this->throwException(new ServiceConflictException($msg)));

        $response = $this->folderAPI->create('hi');

        $data = $response->getData();
        $this->assertEquals($msg, $data['message']);
        $this->assertEquals(Http::STATUS_CONFLICT, $response->getStatus());
    }


    public function testCreateInvalidFolderName() 
    {
        $msg = 'exists';

        $this->folderService->expects($this->once())
            ->method('purgeDeleted')
            ->with($this->equalTo($this->user->getUID()), $this->equalTo(false));
        $this->folderService->expects($this->once())
            ->method('create')
            ->will($this->throwException(new ServiceValidationException($msg)));

        $response = $this->folderAPI->create('hi');

        $data = $response->getData();
        $this->assertEquals($msg, $data['message']);
        $this->assertEquals(
            Http::STATUS_UNPROCESSABLE_ENTITY, $response->getStatus()
        );
    }


    public function testDelete() 
    {
        $folderId = 23;
        $this->folderService->expects($this->once())
            ->method('delete')
            ->with($this->equalTo($folderId), $this->equalTo($this->user->getUID()));

        $this->folderAPI->delete(23);
    }


    public function testDeleteDoesNotExist() 
    {
        $folderId = 23;

        $this->folderService->expects($this->once())
            ->method('delete')
            ->will(
                $this->throwException(
                    new ServiceNotFoundException($this->msg)
                )
            );

        $response = $this->folderAPI->delete($folderId);

        $data = $response->getData();
        $this->assertEquals($this->msg, $data['message']);
        $this->assertEquals(Http::STATUS_NOT_FOUND, $response->getStatus());
    }


    public function testUpdate() 
    {
        $folderId = 23;
        $folderName = 'test';

        $this->folderService->expects($this->once())
            ->method('rename')
            ->with(
                $this->equalTo($folderId),
                $this->equalTo($folderName),
                $this->equalTo($this->user->getUID())
            );

        $this->folderAPI->update($folderId, $folderName);
    }

    public function testUpdateDoesNotExist() 
    {
        $folderId = 23;
        $folderName = 'test';

        $this->folderService->expects($this->once())
            ->method('rename')
            ->will(
                $this->throwException(
                    new ServiceNotFoundException($this->msg)
                )
            );

        $response = $this->folderAPI->update($folderId, $folderName);

        $data = $response->getData();
        $this->assertEquals($this->msg, $data['message']);
        $this->assertEquals(Http::STATUS_NOT_FOUND, $response->getStatus());
    }


    public function testUpdateExists() 
    {
        $folderId = 23;
        $folderName = 'test';

        $this->folderService->expects($this->once())
            ->method('rename')
            ->will(
                $this->throwException(
                    new ServiceConflictException($this->msg)
                )
            );

        $response = $this->folderAPI->update($folderId, $folderName);

        $data = $response->getData();
        $this->assertEquals($this->msg, $data['message']);
        $this->assertEquals(Http::STATUS_CONFLICT, $response->getStatus());
    }


    public function testUpdateInvalidFolderName() 
    {
        $folderId = 23;
        $folderName = '';

        $this->folderService->expects($this->once())
            ->method('rename')
            ->will(
                $this->throwException(
                    new ServiceValidationException($this->msg)
                )
            );

        $response = $this->folderAPI->update($folderId, $folderName);

        $data = $response->getData();
        $this->assertEquals($this->msg, $data['message']);
        $this->assertEquals(
            Http::STATUS_UNPROCESSABLE_ENTITY, $response->getStatus()
        );
    }


    public function testRead() 
    {
        $this->itemService->expects($this->once())
            ->method('readFolder')
            ->with(
                $this->equalTo(3),
                $this->equalTo(30),
                $this->equalTo($this->user->getUID())
            );

        $this->folderAPI->read(3, 30);
    }


}