<?php
namespace App\Komma\Shop\Cart;


use App\Komma\Base\Controller;
use App\Komma\Globalization\RegionInfo;
use App\Komma\Pages\PageService;
use App\Komma\Shop\Discounts\DiscountServiceInterface;
use Illuminate\Contracts\View\View;

/**
 * Represents a shopping cart
 *
 * Class ShoppingCartService
 * @package App\Komma\Shop\Cart
 */
class ShoppingCartController extends Controller
{
    /**
     * @var DiscountServiceInterface $discountService
     */
    private $discountService;

    public function __construct(PageService $pageService)
    {
//        $this->shoppingCartService = app(ShoppingCartService::class); //Don't do this. The shopping cart service restores itself using session. But the session is not yet initialized in constructors.
        /** @var ShoppingCartServiceInterface $shoppingCartService */
        $this->discountService = app(DiscountServiceInterface::class);

        parent::__construct();
    }

    /**
     * Get the shopping cart index
     *
     * @return View
     */
    public function index() : View
    {
        /** @var ShoppingCartServiceInterface $shoppingCartService */
        $shoppingCartService = app(ShoppingCartServiceInterface::class);
        $items = $shoppingCartService->getItems();
        $subTotal = $shoppingCartService->getTotal(false);
        $itemCount = $shoppingCartService->getItemsCount();
        $subTotalWithDiscounts = $shoppingCartService->getTotal(true);
        $regionInfo = new RegionInfo('NL');

        $languageMenu = [];
        foreach ($this->site->languages as $language)
        {
            $languageMenu[$language->iso_2] = '/'.$language->iso_2.'/'.__('site/routes.shoppingcart', [], $language->iso_2);
        }

        $view = view('shop.pages.shoppingCart', [
            'items' => $items,
            'subTotal' => $subTotal,
            'itemCount' => $itemCount,
            'links' => $this->links,
            'subTotalWithDiscounts' => $subTotalWithDiscounts,
            'regionInfo' => $regionInfo,
            'languageMenu' => $languageMenu,
        ]);

        return $view;
    }

    /**
     * Add a product to the cart
     *
     * @param AddRequest $request
     * @return View
     * @throws \Exception
     */
    public function addProductToShoppingCart(AddRequest $request) : String
    {
        /** @var ShoppingCartServiceInterface $shoppingCartService */
        $shoppingCartService = app(ShoppingCartServiceInterface::class);

        $type               = $request->get('itemType');
        $productableId      = $request->get('productableId');
        $quantity             = $request->get('quantity');

        $productable = $type::where('id', $productableId)->with('translations')->first();
        $shoppingCartService->addProductable($productable, $quantity);

        return route('shoppingcart');
    }

    /**
     * Add a product to the cart
     *
     * @param RemoveRequest $request
     * @return View
     */
    public function removeItemFromShoppingCart(RemoveRequest $request) : String
    {
        $type               = $request->get('itemType');
        $productableId      = $request->get('productableId');

        if($request->has('productableId')) {
            $shoppingCartService = app(ShoppingCartServiceInterface::class);
            $productable = $type::where('id', $productableId)->first();
            $shoppingCartService->deleteItem($productable);
        }

        return route('shoppingcart');
    }

    /**
     * Add a product to the cart
     *
     * @param UpdateAmountRequest $request
     * @return View
     */
    public function setItemAmountInShoppingCart(UpdateAmountRequest $request) : String
    {
        if($request->has('itemId')) {
            $shoppingCartService = app(ShoppingCartServiceInterface::class);
            $shoppingCartService->setItemAmount($request->get('itemId'), $request->get('amount'));
        }

        return route('shoppingcart');
    }
}