<?php

namespace App\Controller;

use App\Entity\Choice;
use App\Entity\Owner;
use App\Entity\Poll;
use FOS\RestBundle\Controller\Annotations\Delete;
use FOS\RestBundle\Controller\Annotations\Get;
use FOS\RestBundle\Controller\Annotations\Post;
use FOS\RestBundle\Controller\Annotations\Put;
use FOS\RestBundle\Controller\Annotations\Route;
use JMS\Serializer\SerializerBuilder;
use Swift_Message;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;

/**
 * Class DefaultController
 * @package App\Controller
 * @Route("/api/v1/poll",name="api_")
 */
class PollController extends AbstractController {

	/**
	 * @Get(
	 *     path = "/",
	 *     name = "get_all_polls"
	 * )
	 */
	public function getAllPollsAction() {
		$repository = $this->getDoctrine()->getRepository( Poll::class );
		$data       = $repository->findall();


		return $this->json( [
			'message' => 'here are your polls',
			'poll'    => $data,
		],
			200 );
	}

	/**
	 * @Get(
	 *     path = "/{id}",
	 *     name = "get_poll",
	 *     requirements = {"poll_id"="\d+"}
	 * )
	 */
	public
	function getPollConfig(
		Poll $poll,
		Request $request
	) {
		$pass = $poll->getPassword();
		$data = $request->getContent();
		$data = json_decode( $data, true );

		$comments = [];
		$stacks   = [];
		$choices  = [];
		foreach ( $poll->getComments() as $c ) {
			$comments[] = $c->display();
		}
		foreach ( $poll->getStacksOfVotes() as $c ) {
			$stacks[] = $c->display();
		}
		foreach ( $poll->getChoices() as $c ) {
			$choices[] = $c->display();
		}
		$returnedPoll = [
			'message'        => 'your poll config',
			'poll'           => $poll,
			'stacks_count'   => count( $poll->getStacksOfVotes() ),
			'stacks'         => $stacks,
			'choices_count'  => $poll->computeAnswers(),
			'choices'        => $choices,
			'comments'       => $comments,
			'comments_count' => count( $comments ),
		];
		/**
		 * password protected content
		 */
		if ( $pass ) {

			if ( $pass == md5( $data[ 'password_input' ] ) ) {
				return $this->json(
					$returnedPoll,
					200 );
			} else {
				return $this->json( [
					'message' => 'your password ' . $data[ 'password_input' ] . ' is wrong, and you should feel bad',
					'data'    => null,
				],
					403 );
			}
		} else {
			return $this->json(
				$returnedPoll
				,
				200 );
		}

	}

	/**
	 * @Put(
	 *     path = "/{id}",
	 *     name = "update_poll",
	 *     requirements = {"content"="\w+",  "poll_id"="\d+"}
	 * )
	 */
	public
	function updatePollConfig(
		Poll $poll,
		Request $request
	) {

		// TODO check validity of request
		// update only if we have the admin key
		$em = $this->getDoctrine()->getManager();
		$em->persist( $poll );
		$em->flush();

		return $this->json( [
			'message' => 'you updated the poll ' . $poll->getTitle(),
		] );
	}

	/**
	 * @Post(
	 *     path = "/",
	 *     name = "new_poll",
	 *     requirements = {"creator"="\w+"}
	 * )
	 * @param Request $request
	 *
	 * @return JsonResponse
	 */
	public function newPollAction( Request $request, \Swift_Mailer $mailer ) {

		$data = $request->getContent();

		$serializer = SerializerBuilder::create()->build();
		$newpoll    = $serializer->deserialize( $data, 'App\Entity\Poll', 'json' );
		$newpoll
			->setAdminKey( $newpoll->generateAdminKey() )
			->setCreationDate( new DateTime() )
			->setModificationPolicy( 'nobody' );
		$timeStamp = time() + ( 3600 * 24 * 90 ); // 90 days by default
		$newpoll->setExpiracyDate( ( new DateTime() )->setTimestamp( $timeStamp ),
			new DateTimeZone( 'Europe/Paris' ) );
		$data       = json_decode( $data, true );
		$em         = $this->getDoctrine()->getRepository( Owner::class );
		$foundOwner = $em->findOneBy( [ 'email' => $data[ 'owner' ][ 'email' ] ] );


		$userWasFound = false;
		if ( ! $foundOwner ) {
			//create a new owner
			$owner = new Owner();

			$owner->setPseudo( $data[ 'owner' ][ 'pseudo' ] );
			$owner->setEmail( $data[ 'owner' ][ 'email' ] );
			$foundOwner = $owner;
		} else {
			$userWasFound = true;
		}
		// link the owner and the poll
		$newpoll->setOwner( $foundOwner );
		$foundOwner->addPoll( $newpoll );


		$em = $this->getDoctrine()->getManager();
		$em->persist( $newpoll );
		$em->persist( $foundOwner );

		// emails
		$newpoll->setMailOnComment( true );
		$newpoll->setMailOnVote( true );
		$newpoll->setHideResults( false );
		// possible answers
		$newpoll->setAllowedAnswers( [ 'yes' ] );
		if ( $data[ 'voteChoices' ] ) {
			switch ( $data[ 'voteChoices' ] ) {
				case "only_yes":
				default:

					break;
			}
		}
		// setup the password, converting the raw with md5 hash
		if ( $data[ 'password' ] ) {
			$newpoll->setPassword( $data[ 'password' ] );
		}
		// manage choices
		// text kind of answers, dates are below
		if ( $data[ 'pollType' ] == 'classic' ) {
			$choices = $data[ 'dateList' ];
			foreach ( $choices as $c ) {
				$newChoice = new Choice();
				$newChoice
					->setPoll( $newpoll )
//					->setUrl( $c[ 'url' ] )
					->setName( $c[ 'literal' ] );
				$em->persist( $newChoice );
				// TODO add also choices for each time range in a day
			}
		} elseif ( $data[ 'pollType' ] == 'dates' ) {
			if ( $data[ 'allowSeveralHours' ] == true ) {
				// different hours spans
				$choices = $data[ 'dateList' ];
			} else {

// all days have the same hour spans
			}


		}

		$em->persist( $newpoll );
		$em->flush();
		$precision = '';
		if ( $userWasFound ) {
			$precision = 'from an existing user : ' . $foundOwner->getEmail();
		}

		$this->sendCreationMailAction( $foundOwner, $newpoll, $mailer );

		return $this->json( [
			'message'              => 'you created a poll ' . $precision,
			'poll'                 => $newpoll,
			'password_protected'   => is_string( $newpoll->getPassword() ),
			'admin_key'            => $newpoll->getAdminKey(),
			'owner_modifier_token' => $foundOwner->getModifierToken(),

		],
			201 );

	}

	/**
	 * @Get(
	 *     path = "/mail/test-mail-poll",
	 *     name = "test-mail-poll",
	 * )
	 *
	 * send the creation mail to owner
	 *
	 * @param Owner $admin_user
	 * @param Poll $poll
	 * @param \Swift_Mailer $mailer
	 *
	 * @return int
	 */
//	public function sendCreationMailAction( Owner $admin_user, Poll $poll, \Swift_Mailer $mailer) {
	public function sendCreationMailAction( \Swift_Mailer $mailer ) {

		$em         = $this->getDoctrine()->getRepository( Owner::class );
		$admin_user = $em->find( 1 );
		$poll       = $admin_user->getPolls()[ 0 ];

		$templateVars = [
			'owner'          => $admin_user,
			'poll'           => $poll,
			'url'            => $poll->getCustomUrl(),
			'title'          => 'Création de sondage - ' . $poll->getTitle(),
			'email_template' => 'emails/creation-mail.html.twig',
		];

		$message = ( new Swift_Message( 'Framadate - mes sondages' ) )
			->setFrom( 'ne-pas-repondre@framadate-api.cipherbliss.com' )
			->setTo( $admin_user->getEmail() )
			->setBody(
				$this->renderView(
					$templateVars[ 'email_template' ],
					$templateVars
				)
			);

		// send email
//			return $mailer->send( $message );
		return $this->render( $templateVars[ 'email_template' ], $templateVars );

	}


	/**
	 * @Delete(
	 *     path = "/{id}",
	 *     name = "poll_delete",
	 *     requirements = {"accessToken"="\w+",  "poll_id"="\d+"}
	 * )
	 * @param Poll $poll
	 * @param $accessToken
	 *
	 * @return JsonResponse
	 */
	public
	function deletePollAction(
		Poll $poll,
		$accessToken
	) {

		if ( $accessToken == $poll->getAdminKey() ) {
			$em = $this->getDoctrine()->getManager();
			$em->remove( $poll );
			$em->flush();

			return $this->json( [
				'message' => 'boom! le sondage et ses objets assocités a été supprimé',
			] );
		} else {
			return $this->json( [
				'message' => 'le token d\'autorisation est invalide, vous ne pouvez pas modifier ce sondage',
			] );
		}

	}

	/**
	 * Delete all expired polls and their children
	 * @Get(
	 *     path = "/clean-polls",
	 *     name = "clean_expired_polls",
	 * )
	 */
	public
	function cleanExpiredPolls() {
		$em     = $this->getDoctrine()->getManager();
		$emPoll = $this->getDoctrine()->getRepository( Poll::class );

		$queryFind   = $em->createQuery(
			'SELECT p
            FROM App\Entity\Poll p
            WHERE p.expiracyDate < CURRENT_DATE()'
		);
		$queryDelete = $em->createQuery(
			'DELETE
            FROM App\Entity\Poll p
            WHERE p.expiracyDate < CURRENT_DATE()'
		);

		$foundPolls = $queryFind->getResult();

		$em->flush();

		return $this->json( [
			'message' => 'clean routine has been done, here are the numbers of polls deleted: ' . count( $foundPolls ),
			'data'    => [
				'count' => count( $foundPolls ),
			],
		],
			200 );
	}

}