<?php namespace App\Http\Controllers;
/**
 * Copyright 2018 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 App\Models\Foundation\Summit\Repositories\ITrackTagGroupAllowedTagsRepository;
use App\Services\Model\ISummitTrackTagGroupService;
use models\oauth2\IResourceServerContext;
use Illuminate\Support\Facades\Validator;
use ModelSerializers\SerializerRegistry;
use utils\Filter;
use utils\FilterParser;
use utils\FilterParserException;
use utils\OrderParser;
use Illuminate\Support\Facades\Request;
use Illuminate\Support\Facades\Log;
use utils\PagingInfo;
use models\exceptions\EntityNotFoundException;
use models\exceptions\ValidationException;
use models\summit\ISummitRepository;
use utils\PagingResponse;

/**
 * Class OAuth2SummitTrackTagGroupsApiController
 * @package App\Http\Controllers
 */
final class OAuth2SummitTrackTagGroupsApiController extends OAuth2ProtectedController
{
    /**
     * @var ISummitRepository
     */
    private $summit_repository;

    /**
     * @var ISummitTrackTagGroupService
     */
    private $track_tag_group_service;

    /**
     * OAuth2SummitTrackTagGroupsApiController constructor.
     * @param ISummitRepository $summit_repository
     * @param ITrackTagGroupAllowedTagsRepository $repository
     * @param ISummitTrackTagGroupService $track_tag_group_service
     * @param IResourceServerContext $resource_server_context
     */
    public function __construct
    (
        ISummitRepository $summit_repository,
        ITrackTagGroupAllowedTagsRepository $repository,
        ISummitTrackTagGroupService $track_tag_group_service,
        IResourceServerContext $resource_server_context
    )
    {
        parent::__construct($resource_server_context);

        $this->summit_repository  = $summit_repository;
        $this->track_tag_group_service = $track_tag_group_service;
        $this->repository = $repository;
    }

    /**
     * @param $summit_id
     * @return mixed
     */
    public function getTrackTagGroupsBySummit($summit_id){
        try {

            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();

            $track_tag_groups = $summit->getTrackTagGroups()->toArray();

            $response    = new PagingResponse
            (
                count($track_tag_groups),
                count($track_tag_groups),
                1,
                1,
                $track_tag_groups
            );

            return $this->ok($response->toArray($expand = Request::input('expand','')));
        }

        catch (EntityNotFoundException $ex1) {
            Log::warning($ex1);
            return $this->error404();
        }
        catch (ValidationException $ex2) {
            Log::warning($ex2);
            return $this->error412($ex2->getMessages());
        }
        catch(FilterParserException $ex3){
            Log::warning($ex3);
            return $this->error412($ex3->getMessages());
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @return mixed
     */
    public function getAllowedTags($summit_id){

        $values = Request::all();

        $rules = [
            'page'     => 'integer|min:1',
            'per_page' => 'required_with:page|integer|min:5|max:100',
        ];

        try {

            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();

            $validation = Validator::make($values, $rules);

            if ($validation->fails()) {
                $ex = new ValidationException();
                throw $ex->setMessages($validation->messages()->toArray());
            }

            // default values
            $page     = 1;
            $per_page = 5;

            if (Request::has('page')) {
                $page     = intval(Request::input('page'));
                $per_page = intval(Request::input('per_page'));
            }

            $filter = null;

            if (Request::has('filter')) {
                $filter = FilterParser::parse(Request::input('filter'),  array
                (
                    'tag' => ['=@', '=='],
                ));
            }

            $order = null;

            if (Request::has('order'))
            {
                $order = OrderParser::parse(Request::input('order'), array
                (
                    'tag',
                    'id',
                ));
            }

            if(is_null($filter)) $filter = new Filter();

            $data      = $this->repository->getBySummit($summit, new PagingInfo($page, $per_page), $filter, $order);
            $fields    = Request::input('fields', '');
            $fields    = !empty($fields) ? explode(',', $fields) : [];
            $relations = Request::input('relations', '');
            $relations = !empty($relations) ? explode(',', $relations) : [];

            return $this->ok
            (
                $data->toArray
                (
                    Request::input('expand', ''),
                    $fields,
                    $relations
                )
            );
        }

        catch (EntityNotFoundException $ex1) {
            Log::warning($ex1);
            return $this->error404();
        }
        catch (ValidationException $ex2) {
            Log::warning($ex2);
            return $this->error412($ex2->getMessages());
        }
        catch(FilterParserException $ex3){
            Log::warning($ex3);
            return $this->error412($ex3->getMessages());
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @return mixed
     */
    public function addTrackTagGroup($summit_id){
        try {
            if(!Request::isJson()) return $this->error400();
            $data = Request::json();

            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();

            $rules = [
                'name'          => 'required|string|max:50',
                'label'         => 'required|string|max:50',
                'is_mandatory'  => 'required|boolean',
                'allowed_tags'  => 'sometimes|string_array',
            ];

            // Creates a Validator instance and validates the data.
            $validation = Validator::make($data->all(), $rules);

            if ($validation->fails()) {
                $messages = $validation->messages()->toArray();

                return $this->error412
                (
                    $messages
                );
            }

            $track_tag_group = $this->track_tag_group_service->addTrackTagGroup($summit, $data->all());

            return $this->created(SerializerRegistry::getInstance()->getSerializer($track_tag_group)->serialize(Request::input('expand', '')));
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @param $track_tag_group_id
     * @return mixed
     */
    public function updateTrackTagGroup($summit_id, $track_tag_group_id){
        try {
            if(!Request::isJson()) return $this->error400();
            $data = Request::json();

            $summit = SummitFinderStrategyFactory::build
            (
                $this->summit_repository,
                $this->resource_server_context
            )->find($summit_id);

            if (is_null($summit)) return $this->error404();

            $rules = [
                'name'          => 'sometimes|string|max:50',
                'label'         => 'sometimes|string|max:50',
                'is_mandatory'  => 'sometimes|boolean',
                'order'         => 'sometimes|integer|min:1',
                'allowed_tags'  => 'sometimes|string_array',
            ];

            // Creates a Validator instance and validates the data.
            $validation = Validator::make($data->all(), $rules);

            if ($validation->fails()) {
                $messages = $validation->messages()->toArray();

                return $this->error412
                (
                    $messages
                );
            }

            $track_tag_group = $this->track_tag_group_service->updateTrackTagGroup($summit, $track_tag_group_id, $data->all());

            return $this->updated(SerializerRegistry::getInstance()->getSerializer($track_tag_group)->serialize(Request::input('expand', '')));
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @param $track_tag_group_id
     * @return mixed
     */
    public function getTrackTagGroup($summit_id, $track_tag_group_id){
        try{
            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();
            $track_tag_group = $summit->getTrackTagGroup(intval($track_tag_group_id));
            if(is_null($track_tag_group))
                return $this->error404();

            return $this->ok(SerializerRegistry::getInstance()->getSerializer($track_tag_group)->serialize(Request::input('expand', '')));
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @param $track_tag_group_id
     * @return mixed
     */
    public function deleteTrackTagGroup($summit_id, $track_tag_group_id){
        try {

            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();

            $this->track_tag_group_service->deleteTrackTagGroup($summit, $track_tag_group_id);

            return $this->deleted();
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @return mixed
     */
    public function seedDefaultTrackTagGroups($summit_id){
        try{
            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();
            $track_tag_groups = $this->track_tag_group_service->seedDefaultTrackTagGroups($summit);

            $response = new PagingResponse
            (
                count($track_tag_groups),
                count($track_tag_groups),
                1,
                1,
                $track_tag_groups
            );
            return $this->created($response->toArray());

        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @param $tag_id
     * @return mixed
     */
    public function seedTagOnAllTracks($summit_id, $tag_id){
        try{
            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();
            $this->track_tag_group_service->seedTagOnAllTrack($summit, $tag_id);
            return $this->updated();
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }

    /**
     * @param $summit_id
     * @param $track_tag_group_id
     * @param $track_id
     * @return mixed
     */
    public function seedTagTrackGroupOnTrack($summit_id, $track_tag_group_id, $track_id){
        try{
            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
            if (is_null($summit)) return $this->error404();
            $this->track_tag_group_service->seedTagTrackGroupTagsOnTrack($summit, $track_tag_group_id, $track_id);
            return $this->updated();
        }
        catch (ValidationException $ex1) {
            Log::warning($ex1);
            return $this->error412([$ex1->getMessage()]);
        }
        catch(EntityNotFoundException $ex2)
        {
            Log::warning($ex2);
            return $this->error404(['message'=> $ex2->getMessage()]);
        }
        catch (\Exception $ex) {
            Log::error($ex);
            return $this->error500($ex);
        }
    }
}