<?php


namespace App\KommaApp\Shop\Checkout;


use App\KommaApp\Shop\Cart\ShoppingCartItemInterface;
use App\KommaApp\Shop\Cart\ShoppingCartService;
use App\KommaApp\Shop\Discounts\DiscountServiceInterface;
use App\KommaApp\Shop\Notifications\AdminOrderConfirmation;
use App\KommaApp\Shop\Orders\Order;
use App\KommaApp\Shop\Orders\OrderService;
use App\KommaApp\Users\Models\Role;
use App\KommaApp\Users\Models\User;
use Illuminate\Support\Facades\Log;

class CheckoutService
{
    /** @var DiscountServiceInterface $discountService */
    private $discountService;

    /** @var OrderService $orderService */
    private $orderService;

    public function __construct()
    {
        $this->discountService = \App::make(DiscountServiceInterface::class);
        $this->orderService = \App::make(OrderService::class);
    }

    /**
     * Returns an extension of the original request that also has validation stuff inside it.
     *
     * @param ShoppingCartService $shoppingCartService
     * @return QuotationRequest
     */
    public function getQuotationRequestForShoppingCart(ShoppingCartService $shoppingCartService):QuotationRequest
    {
        $requestData = [
            'origin' => 'checkout',
            'productables' => [],
            'cart_total' => $shoppingCartService->getTotal(false),
            'cart_total_including_discounts' => $shoppingCartService->getTotal(true),
        ];

        $items = $shoppingCartService->getItems();
        foreach($items as $item) {
            /** @var $shoppingCartService $item */
            $requestData['productables'][] = [
                'amount' => $item->getAmount(),
                'name' => $item->getProductable()->title,
                'stock_keeping_unit' => $item->getProductable()->stock_keeping_unit,
                'original_total' => $item->getTotal(false),
                'total_with_discounts' => $item->getTotal(true),
            ];
        }

        $requestData['productables'] = json_encode($requestData['productables']);

        $shoppingCartService->clear();

        return new QuotationRequest($requestData);
    }

    /**
     * Notify admins that a user wanted to order something
     *
     * @param User $customer
     * @param Order $order
     */
    public function notifyAdminsForNewOrder(User $customer, Order $order)
    {
        User::where('role_id', '=', Role::Admin)->get()->each(function(User $admin) use ($order, $customer) {
            Log::debug('Notifying: '.$admin->email.' about order '.$order->id);
            $admin->notify(new AdminOrderConfirmation($order));
            Log::debug('Notified');
        });

//        User::where('role_id', '=', Role::Admin)->get()->each(function(User $admin) use ($order, $customer) {
//            $admin->notify(new AdminOrderConfirmation($order));
//        });
    }

    /**
     * Creates an order with ordered products from the items in the shopping cart for the customer you give it.
     * You can also give the order remarks to leave a message to the admins for that order using the remarks variable.
     *
     * @param ShoppingCartService $shoppingCart
     * @param User $customer
     * @param string $remarks
     * @return Order
     */
    public function createOrderFromShoppingCart(ShoppingCartService $shoppingCart, User $customer, string $remarks = '')
    {
        /** @var Order $order */
        $order = \DB::transaction(function () use ($shoppingCart, $customer, $remarks) {
            $order = $this->orderService->makeOrderForCustomer($customer, $shoppingCart, $remarks);
            $order->save();

            $orderedProducts = collect($shoppingCart->getItems())->each(function ( ShoppingCartItemInterface $shoppingCartItem) use ($customer, $order) {
                $orderedProduct = $this->orderService->makeOrderedProductFromShoppingCartItemForOrder($shoppingCartItem, $order);
//                dd($orderedProduct, $order);
                $orderedProduct->save();
                return $orderedProduct;
            });

            return $order;
        });

        $shoppingCart->clear();

        return $order;
    }


}