<?php
namespace common\manager;
use common\models\Card;
use common\models\Event;
use common\models\EventRegistration;
use yii\web\BadRequestHttpException;
use yii\web\NotFoundHttpException;
use yii\web\ServerErrorHttpException;

/**
 * Created by IntelliJ IDEA.
 * User: rocho
 * Date: 2018.12.17.
 * Time: 6:12
 */

class EventRegistrationManager extends \yii\base\Object
{
    const CARD_NOT_FOUND = 1;
    const CUSTOMER_NOT_FOUND = 2;
    const TICKET_NOT_FOUND = 3;
    const NO_FREE_SEATS = 4;
    const EVENT_TYPE_NOT_FOUND = 5;
    const TICKET_INSUFFICIENT = 6;

     public static  $STATES = [
         self::CARD_NOT_FOUND => "CARD_NOT_FOUND",
        self::CUSTOMER_NOT_FOUND => "CUSTOMER_NOT_FOUND",
        self::TICKET_NOT_FOUND => "TICKET_NOT_FOUND",
        self::NO_FREE_SEATS => "NO_FREE_SEATS",
        self::EVENT_TYPE_NOT_FOUND => "EVENT_TYPE_NOT_FOUND",
        self::TICKET_INSUFFICIENT => "TICKET_INSUFFICIENT",


    ];

    /**
     * @param \common\models\CardEventRegistrationForm $cardEventForm
     * @throws NotFoundHttpException
     * @throws BadRequestHttpException
     * @throws ServerErrorHttpException
     */
    public function registerCard($cardEventForm){

        if ( $cardEventForm->validate() ){

            /** @var \common\models\Card $card */
            $card = Card::readCard($cardEventForm->card_number,false);
            if ( !isset($card )){
                throw new NotFoundHttpException("Card not found: " . $cardEventForm->card_number,self::CARD_NOT_FOUND);
            }

            if ( $card->isFree() ){
                throw new NotFoundHttpException("Customer not found", self::CUSTOMER_NOT_FOUND);
            }

            $activeTickets = $card->getActiveTickets();
            if ( sizeof($activeTickets) == 0 ){
                throw new NotFoundHttpException("Ticket not found", self::TICKET_NOT_FOUND);
            }

            /** @var \common\models\Event $event */
            $event = Event::find()->andWhere(['id' => $cardEventForm->event_id])->one();
            if ( !isset($event)){
                throw new NotFoundHttpException("Event not found: " . $cardEventForm->event_id);
            }

            if ( !$event->hasFreeSeats() ){
                throw new BadRequestHttpException("No free seats", self::NO_FREE_SEATS);
            }

            $eventType = $event->eventType;

            if ( !isset($eventType)  ){
                throw new ServerErrorHttpException("Event type not found", self::EVENT_TYPE_NOT_FOUND);
            }

            $selectedTicket = $eventType->findTicketAllowingEventType($activeTickets);

            if ( !isset($selectedTicket)  ){
                throw new NotFoundHttpException("Ticket not found", self::TICKET_INSUFFICIENT);
            }

            $registration = new EventRegistration();
            $registration->id_event = $event->id;
            $registration->id_card = $card->id_card;
            $registration->id_ticket = $selectedTicket->id_ticket;
            $registration->save(false);

            $cardEventForm->registration = $registration;
        }

    }


}