<?php

namespace App\Komma\Shop\Products;

use App\Http\Middleware\WildcardResolver;
use App\Komma\Base\Controller;
use App\Komma\Globalization\RegionInfoInterface;
use App\Komma\Shop\Catalog\Kms\CatalogService;
use App\Komma\Shop\Categories\Models\Category;
use App\Komma\Shop\Products\Product\Product;
use App\Komma\Shop\Vat\VatService;
use Illuminate\Support\Facades\Input;
use Symfony\Component\HttpKernel\Exception\HttpException;

class ProductController extends Controller
{
    private $pagePrefix = 'shop.pages.products.';

    /** @var CatalogService */
    private $catalogService;

    public function __construct(CatalogService $catalogService)
    {
        parent::__construct();
        $this->catalogService = $catalogService;
    }

    /**
     * @return HttpException|\Illuminate\Contracts\View\View
     */
    public function index()
    {
        $page = $this->links->products->node;
        $otherLanguageRoutes = $this->languageService->getOtherLanguagesRoutes($page);

        $productWildcardIndexRoute = WildcardResolver::getWildCardIndexRouteForPageWithCodeName('products');

        $perPage = Input::get('per_page') ?? 20;
        $page = Input::get('page') ?? 1;
        $allItems = $this->catalogService->itemsQueryWithRelations()->paginate($perPage);
        $allItems->withPath($productWildcardIndexRoute->alias);

        // Return view
        return view($this->pagePrefix.'index', [
            'page' => $page,
            'links' => $this->links,
            'otherLanguages' => $otherLanguageRoutes,
            'productWildcardIndexRoute' => $productWildcardIndexRoute,
            'items' => $allItems,
        ]);
    }

    /**
     * @param Product $product
     * @return \Illuminate\Contracts\View\View
     */
    public function show(Product $product)
    {
        $product->load('translation', 'documents');

        //Get regional information to format prices properly
        $regionInfo = app(RegionInfoInterface::class);

        //Calculate vat for product
        $rateService = new VatService();
        $rateService->calculateVatForProductable($product);

        //Get the product category parent, based on the url. Since that contains information about the parent category.
        $productCategoryParent = null;
        if ($product->categories()->count() > 0) {
            //Get the parent category of the product
            $myDomain = request()->server('HTTP_HOST'); //Example: localhost:8000
            $requestsSource = request()->server('HTTP_REFERER'); //Example: http://localhost:8000/nl/producten
            $explodedRequestSource = explode('/', $requestsSource);
            $categorySlug = end($explodedRequestSource);
            /** @var Category $productCategory */
            $productCategory = $product->categories()->where('code_name', $categorySlug);
            $productCategoryParent = $productCategory->getParentId() != 0 ? $productCategory->getParent() : null;
        }

        $page = $this->links->products->node;
        $otherLanguageRoutes = $this->languageService->getOtherLanguagesRoutes($page, $product);

        // Return view
        return view($this->pagePrefix.'show', [
            'page' => $page,
            'product' => $product,
            'productCategoryParent' => $productCategoryParent,
            'links' => $this->links,
            'otherLanguages' => $otherLanguageRoutes,
            'regionInfo' => $regionInfo,
        ]);
    }
}