<?php
/**
 * ownCloud - 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\Controller;

use \OCP\IRequest;
use \OCP\AppFramework\ApiController;
use \OCP\AppFramework\Http;

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


class FolderApiController extends ApiController {

    use JSONHttpError;

    private $folderService;
    private $itemService;
    private $userId;
    private $serializer;

    public function __construct($appName,
                                IRequest $request,
                                FolderService $folderService,
                                ItemService $itemService,
                                $userId){
        parent::__construct($appName, $request);
        $this->folderService = $folderService;
        $this->itemService = $itemService;
        $this->userId = $userId;
        $this->serializer = new EntityApiSerializer('folders');
    }


    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     * @CORS
     */
    public function index() {
        return $this->serializer->serialize(
            $this->folderService->findAll($this->userId)
        );
    }


    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     * @CORS
     *
     * @param string $name
     * @return array|mixed|\OCP\AppFramework\Http\JSONResponse
     */
    public function create($name) {
        try {
            $this->folderService->purgeDeleted($this->userId, false);
            return $this->serializer->serialize(
                $this->folderService->create($name, $this->userId)
            );
        } catch(ServiceValidationException $ex) {
            return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);
        } catch(ServiceConflictException $ex) {
            return $this->error($ex, Http::STATUS_CONFLICT);
        }
    }


    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     * @CORS
     *
     * @param int $folderId
     * @return array|\OCP\AppFramework\Http\JSONResponse
     */
    public function delete($folderId) {
        try {
            $this->folderService->delete($folderId, $this->userId);
        } catch(ServiceNotFoundException $ex) {
            return $this->error($ex, Http::STATUS_NOT_FOUND);
        }

        return [];
    }


    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     * @CORS
     * @param int $folderId
     * @param string $name
     * @return array|\OCP\AppFramework\Http\JSONResponse
     */
    public function update($folderId, $name) {
        try {
            $this->folderService->rename($folderId, $name, $this->userId);

        } catch(ServiceValidationException $ex) {
            return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);
        } catch(ServiceConflictException $ex) {
            return $this->error($ex, Http::STATUS_CONFLICT);
        } catch(ServiceNotFoundException $ex) {
            return $this->error($ex, Http::STATUS_NOT_FOUND);
        }

        return [];
    }


    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     * @CORS
     *
     * @param int $folderId
     * @param int $newestItemId
     */
    public function read($folderId, $newestItemId) {
        $this->itemService->readFolder($folderId, $newestItemId, $this->userId);
    }


}