<?php

namespace App\Controller\api\v1;

use App\Controller\EmailsController;
use App\Entity\Comment;
use App\Entity\Owner;
use App\Entity\Poll;
use App\Entity\StackOfVotes;
use App\Entity\Vote;
use App\Repository\ChoiceRepository;
use FOS\RestBundle\Controller\Annotations\Delete;
use FOS\RestBundle\Controller\Annotations\Patch;
use FOS\RestBundle\Controller\Annotations\Route;
use JMS\Serializer\SerializerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Class DefaultController
 * @package App\Controller
 * @Route("/api/v1/vote",name="api_")
 */
class VoteController extends EmailsController {

	/**
	 * add a vote stack on a poll
	 * @Route(
	 *     path = "/poll/{custom_url}/answer",
	 *     name = "new_vote_stack",
	 *     methods={"POST","OPTIONS"}
	 * )
	 *
	 * @param SerializerInterface $serializer
	 * @param string $custom_url
	 * @param Request $request
	 *
	 * @return JsonResponse|Response
	 */
	public function newVoteStackAction(
		SerializerInterface $serializer,
		string $custom_url,
		Request $request,
		ChoiceRepository $choice_repository
	) {


		/***
		 * checks before persisting
		 */
		$em    = $this->getDoctrine()->getManager();
		$emPol = $em->getRepository( Poll::class );
		$poll  = $emPol->findOneByCustomUrl( $custom_url );

		// check : existence of poll
		if ( ! $poll ) {
			return $this->json( [ 'message' => 'poll "' . $custom_url . '" not found' ], 404 );
		}
		// check : limit of number of participation max
		if ( count( $poll->getStacksOfVotes() ) == $poll->getVotesMax() ) {
			return $this->json( [ 'message' => 'poll "' . $custom_url . '" not allowed to have more stack of votes than ' . $poll->getVotesMax() ],
				403 );
		}
		$data = $request->getContent();
		$data = json_decode( $data, true );

//		var_dump($data);
//		die();

		$owner = new Owner();
		$owner
			->addPoll( $poll );
		$newStack = new StackOfVotes();
		$newStack
			->setPoll( $poll )
			->setIp( $_SERVER[ 'REMOTE_ADDR' ] )
			->setPseudo( $data[ "pseudo" ] )
			->setOwner( $owner );
		$owner
			->setPseudo( $data[ 'owner' ][ "pseudo" ] )
			->setPseudo( $data[ 'owner' ][ "email" ] )
			->addStackOfVote( $newStack );

		// TODO manage new comment
		$emChoice   = $choice_repository;
		$newComment = new Comment();
		$newComment->setPseudo( $data [ 'pseudo' ] )
		           ->setPoll( $poll )
		           ->setText( $data[ 'comment' ] );
		$owner->addComment( $newComment );

		$em->persist( $newComment );

		foreach ( $data[ 'votes' ] as $vote ) {
			if ( ! $vote[ 'value' ] ) {
				continue;
			}
			$newVote = new Vote();
			$newVote->setPoll( $poll );

			$newStack->addVote( $newVote );
			$choiceFound = $emChoice->find( $vote[ 'choice_id' ] );
			if ( $choiceFound ) {

				$choiceFound->addVote( $newVote );
				$newVote->setStacksOfVotes( $newStack )
				        ->setChoice( $choiceFound )
				        ->setValue( $vote[ 'value' ] );
				$em->persist( $choiceFound );
			} else {
				throw new NotFoundHttpException( 'no choice of id' . $vote[ 'choice_id' ] );
			}

			$poll->addVote( $newVote );
			$em->persist( $newVote );
		}
		$newStack
			->setPoll( $poll );
		$em->persist( $newStack );
		$em->persist( $poll );
		$em->flush();

		if ( $poll->getMailOnVote() ) {
			$this->sendVoteNotificationAction( $newStack->getOwner(), $newStack );
		}

		return $this->json( [
			'poll' => $poll->display(),
		] );


	}

	/**
	 * update vote stack
	 * @Patch(
	 *     path = "/vote-stack/{id}/token/{modifierToken}",
	 *     name = "update_vote_stack",
	 *     requirements = { "id"="\d+"}
	 * )
	 *
	 * @param SerializerInterface $serializer
	 * @param StackOfVotes $id
	 * @param $modifierToken
	 * @param Request $request
	 *
	 * @return JsonResponse|Response
	 */
	public
	function updateVoteStackAction(
		SerializerInterface $serializer,
		StackOfVotes $id,
		$modifierToken,
		Request $request
	) {
		$voteStack = $id;
		if ( ! $voteStack ) {
			return $this->json( [ 'message' => 'vote stack not found' ], 404 );
		}
		$poll = $voteStack->getPoll();

		// if only self users are allowed to modify a vote, check it
		if ( ! $modifierToken || $voteStack->getOwner()->getModifierToken() !== $modifierToken ) {
			return $this->json( [ 'message' => 'your token does not allow you to modify this vote ' ],
				403 );
		}
		// everything is ok, we can update all the votes of the vote stack
		//TODO
		// match votes and choices
		// update answers
		// save evrything


		$jsonResponse = $serializer->serialize( [
			'message'        => 'ok',
			'modifier_token' => $voteStack->getOwner()->getModifierToken(),
			'vote_stack'     => $voteStack,
		],
			'json' );

		$response = new Response( $jsonResponse );
		$response->headers->set( 'Content-Type', 'application/json' );
		$response->setStatusCode( 200 );

		return $response;


	}

	/**
	 * @Delete(
	 *     path = "/poll/{id}/votes/{accessToken}",
	 *     name = "poll_votes_delete",
	 *     requirements = {"accessToken"="\w+",  "poll_id"="\d+"}
	 * )
	 * @return JsonResponse
	 */
	public
	function deletePollVotesAction(
		Poll $poll,
		$accessToken
	) {
		if ( $accessToken == $poll->getAdminKey() ) {
			$em     = $this->getDoctrine()->getManager();
			$length = count( $poll->getVotes() );
			$em->remove( $poll->getVotes() );
			$em->flush();

			return $this->json( [
				'message' => 'boom! les ' . $length . ' votes du sondage ont été supprimés',
			],
				200 );
		} else {
			return $this->json( [
				'message' => 'le token d\'autorisation est invalide, vous ne pouvez pas modifier ce sondage',
			],
				403 );
		}
	}
}