<?php namespace App\Http\Controllers;

/**
 * Copyright 2015 OpenStack Foundation
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

use Exception;
use Illuminate\Support\Facades\Input;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Response;

/**
 * Class JsonController
 * @package App\Http\Controllers
 */
abstract class JsonController extends Controller
{

    protected $log_service;

    public function __construct()
    {
    }

    protected function error500(Exception $ex)
    {
        Log::error($ex);

        return Response::json(array('message' => 'server error'), 500);
    }

    protected function created($data = 'ok')
    {
        $res = Response::json($data, 201);
        //jsonp
        if (Input::has('callback')) {
            $res->setCallback(Input::get('callback'));
        }

        return $res;
    }

    protected function deleted($data = 'ok')
    {
        $res = Response::json($data, 204);
        //jsonp
        if (Input::has('callback')) {
            $res->setCallback(Input::get('callback'));
        }

        return $res;
    }

    protected function updated($data = 'ok')
    {
        $res = Response::json($data, 204);
        //jsonp
        if (Input::has('callback')) {
            $res->setCallback(Input::get('callback'));
        }
        return $res;
    }

    /**
     * @param mixed $data
     * @return mixed
     */
    protected function ok($data = 'ok')
    {
        $res = Response::json($data, 200);
        //jsonp
        if (Input::has('callback')) {
            $res->setCallback(Input::get('callback'));
        }

        return $res;
    }

    protected function error400($data)
    {
        return Response::json($data, 400);
    }

    protected function error404($data = array('message' => 'Entity Not Found'))
    {
        return Response::json($data, 404);
    }

    protected function error403($data = array('message' => 'Forbidden'))
    {
        return Response::json($data, 403);
    }

    protected function error401($data = array('message' => 'You don\'t have access to this item through the API.'))
    {
        return Response::json($data, 401);
    }

    /**
     *  {
     * "message": "Validation Failed",
     * "errors": [
     * {
     * "resource": "Issue",
     * "field": "title",
     * "code": "missing_field"
     * }
     * ]
     * }
     * @param $messages
     * @return mixed
     */
    protected function error412($messages)
    {
        return Response::json(array('message' => 'Validation Failed', 'errors' => $messages), 412);
    }
}