<?php
/*************************************************************************************/
/*      This file is part of the Thelia package.                                     */
/*                                                                                   */
/*      Copyright (c) OpenStudio                                                     */
/*      email : dev@thelia.net                                                       */
/*      web : http://www.thelia.net                                                  */
/*                                                                                   */
/*      For the full copyright and license information, please view the LICENSE.txt  */
/*      file that was distributed with this source code.                             */
/*************************************************************************************/

namespace Thelia\Coupon;

use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Translation\Translator;
use Symfony\Component\Translation\TranslatorInterface;
use Thelia\Condition\ConditionEvaluator;
use Thelia\Core\HttpFoundation\Request;
use Thelia\Core\Template\ParserInterface;
use Thelia\Log\Tlog;
use Thelia\Model\AddressQuery;
use Thelia\Model\Country;
use Thelia\Model\Coupon;
use Thelia\Model\CouponQuery;
use Thelia\Model\Currency;
use Thelia\Model\CurrencyQuery;

/**
 * Allow to assist in getting relevant data on the current application state
 *
 * @package Coupon
 * @author  Guillaume MOREL <gmorel@openstudio.fr>
 *
 */
class BaseFacade implements FacadeInterface
{
    /** @var ContainerInterface Service Container */
    protected $container = null;

    /** @var Translator Service Translator  */
    protected $translator = null;

    /** @var ParserInterface The thelia parser  */
    private $parser = null;

    /**
     * Constructor
     *
     * @param ContainerInterface $container Service container
     */
    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    /**
     * Return a Cart a CouponManager can process
     *
     * @return \Thelia\Model\Cart
     */
    public function getCart()
    {
        return $this->getRequest()->getSession()->getSessionCart($this->getDispatcher());
    }

    /**
     * Return an Address a CouponManager can process
     *
     * @return \Thelia\Model\Address
     */
    public function getDeliveryAddress()
    {
        try {
            return AddressQuery::create()->findPk(
                $this->getRequest()->getSession()->getOrder()->getChoosenDeliveryAddress()
            );
        } catch (\Exception $ex) {
            throw new \LogicException("Failed to get delivery address (" . $ex->getMessage() . ")");
        }
    }

    /**
     * Return an Customer a CouponManager can process
     *
     * @return \Thelia\Model\Customer
     */
    public function getCustomer()
    {
        return $this->container->get('thelia.securityContext')->getCustomerUser();
    }

    /**
     * Return Checkout total price
     *
     * @return float
     */
    public function getCheckoutTotalPrice()
    {
        return $this->getRequest()->getSession()->getOrder()->getTotalAmount();
    }

    /**
     * Return Checkout total postage (only) price
     *
     * @return float
     */
    public function getCheckoutPostagePrice()
    {
        return $this->getRequest()->getSession()->getOrder()->getPostage();
    }

    /**
     * Return Products total price
     *
     * @param bool $withItemsInPromo if true, the discounted items are included in the total
     *
     * @return float
     */
    public function getCartTotalPrice($withItemsInPromo = true)
    {
        $total = 0;

        $cartItems = $this->getRequest()->getSession()->getSessionCart($this->getDispatcher())->getCartItems();

        foreach ($cartItems as $cartItem) {
            if ($withItemsInPromo || ! $cartItem->getPromo()) {
                $total += $cartItem->getRealPrice() * $cartItem->getQuantity();
            }
        }

        return $total;
    }

    public function getCartTotalTaxPrice($withItemsInPromo = true)
    {
        $taxCountry = $this->getContainer()->get('thelia.taxEngine')->getDeliveryCountry();
        $cartItems = $this->getRequest()->getSession()->getSessionCart($this->getDispatcher())->getCartItems();

        $total = 0;

        foreach ($cartItems as $cartItem) {
            if ($withItemsInPromo || ! $cartItem->getPromo()) {
                $total += $cartItem->getRealTaxedPrice($taxCountry) * $cartItem->getQuantity();
            }
        }

        return $total;
    }

    /**
     * @return Country the delivery country
     */
    public function getDeliveryCountry()
    {
        return $this->getContainer()->get('thelia.taxEngine')->getDeliveryCountry();
    }

    /**
     * Return the Checkout currency EUR|USD
     *
     * @return Currency
     */
    public function getCheckoutCurrency()
    {
        return $this->getRequest()->getSession()->getCurrency()->getCode();
    }

    /**
     * Return the number of Products in the Cart
     *
     * @return int
     */
    public function getNbArticlesInCart()
    {
        return count($this->getRequest()->getSession()->getSessionCart($this->getDispatcher())->getCartItems());
    }

    public function getNbArticlesInCartIncludeQuantity()
    {
        $cartItems = $this->getCart()->getCartItems();
        $quantity = 0;

        foreach ($cartItems as $cartItem) {
            $quantity += $cartItem->getQuantity();
        }

        return $quantity;
    }

    /**
     * Return all Coupon given during the Checkout
     *
     * @return array Array of CouponInterface
     */
    public function getCurrentCoupons()
    {
        $couponCodes = $this->getRequest()->getSession()->getConsumedCoupons();

        if (null === $couponCodes) {
            return array();
        }
        /** @var CouponFactory $couponFactory */
        $couponFactory = $this->container->get('thelia.coupon.factory');

        $coupons = [];

        foreach ($couponCodes as $couponCode) {
            // Only valid coupons are returned
            try {
                if (false !== $couponInterface = $couponFactory->buildCouponFromCode($couponCode)) {
                    $coupons[] = $couponInterface;
                }
            } catch (\Exception $ex) {
                // Just ignore the coupon and log the problem, just in case someone realize it.
                Tlog::getInstance()->warning(
                    sprintf("Coupon %s ignored, exception occurred: %s", $couponCode, $ex->getMessage())
                );
            }
        }

        return $coupons;
    }

    /**
     * Find one Coupon in the database from its code
     *
     * @param string $code Coupon code
     *
     * @return Coupon
     */
    public function findOneCouponByCode($code)
    {
        $couponQuery = CouponQuery::create();

        return $couponQuery->findOneByCode($code);
    }

    /**
     * Return platform Container
     *
     * @return Container
     */
    public function getContainer()
    {
        return $this->container;
    }

    /**
     * Return platform TranslatorInterface
     *
     * @return TranslatorInterface
     */
    public function getTranslator()
    {
        return $this->container->get('thelia.translator');
    }

    /**
     * Return platform Parser
     *
     * @return ParserInterface
     */
    public function getParser()
    {
        if ($this->parser == null) {
            $this->parser = $this->container->get('thelia.parser');

            // Define the current back-office template that should be used
            $this->parser->setTemplateDefinition(
                $this->parser->getTemplateHelper()->getActiveAdminTemplate()
            );
        }

        return $this->parser;
    }

    /**
     * Return the main currency
     * THe one used to set prices in BackOffice
     *
     * @return string
     */
    public function getMainCurrency()
    {
        return $this->getRequest()->getSession()->getCurrency();
    }

    /**
     * Return request
     *
     * @return Request
     */
    public function getRequest()
    {
        return $this->container->get('request_stack')->getCurrentRequest();
    }

    /**
     * Return Constraint Validator
     *
     * @return ConditionEvaluator
     */
    public function getConditionEvaluator()
    {
        return $this->container->get('thelia.condition.validator');
    }

    /**
     * Return all available currencies
     *
     * @return array of Currency
     */
    public function getAvailableCurrencies()
    {
        $currencies = CurrencyQuery::create();

        return $currencies->find();
    }

    /**
     * Return the event dispatcher,
     *
     * @return \Symfony\Component\EventDispatcher\EventDispatcher
     */
    public function getDispatcher()
    {
        return $this->container->get('event_dispatcher');
    }

    /**
     * Add a coupon in session
     * @param $couponCode
     * @return mixed|void
     */
    public function pushCouponInSession($couponCode)
    {
        $consumedCoupons = $this->getRequest()->getSession()->getConsumedCoupons();

        if (!isset($consumedCoupons) || !$consumedCoupons) {
            $consumedCoupons = array();
        }

        if (!isset($consumedCoupons[$couponCode])) {
            // Prevent accumulation of the same Coupon on a Checkout
            $consumedCoupons[$couponCode] = $couponCode;

            $this->getRequest()->getSession()->setConsumedCoupons($consumedCoupons);
        }
    }
}