<?php


namespace App\KommaApp\Shop\Orders;

use App\KommaApp\Shop\Cart\ShoppingCartItemInterface;
use App\KommaApp\Shop\Cart\ShoppingCartServiceInterface;
use App\KommaApp\Shop\Discounts\Actions\ModifyPriceAction;
use App\KommaApp\Shop\Discounts\Conditions\QuantityDiscountCondition;
use App\KommaApp\Shop\Discounts\DiscountServiceInterface;
use App\KommaApp\Shop\Products\Product\Product;
use App\KommaApp\Users\Models\User;

/**
 * Class OrderService
 *
 * Manages orders
 *
 * @package App\KommaApp\Shop\Orders
 */
class OrderService
{
    /**
     * @var DiscountServiceInterface $discountService
     */
    private $discountService;

    public function __construct(DiscountServiceInterface $discountService)
    {
        $this->discountService = $discountService;
    }

    /**
     * Create an ordered product from a shoppingCartItem and an order it is going to belong to.
     *
     * @param ShoppingCartItemInterface $shoppingCartItem
     * @param Order $order
     * @return OrderedProduct
     */
    public function makeOrderedProductFromShoppingCartItemForOrder(ShoppingCartItemInterface $shoppingCartItem, Order $order) {
        $orderedProduct = new OrderedProduct();
        $productable = $shoppingCartItem->getProductable();

        $orderedProduct->product()->associate($productable);
        $orderedProduct->order()->associate($order);

        $orderedProduct->name = $productable->getName();

        if (is_a($productable, Product::class)) {
            /** @var Product $productable */
            $orderedProduct->article_number = $productable->internal_number;
            $orderedProduct->sku = $productable->stock_keeping_unit;
        }

        //Notice that this is not the applied discount, but the discount that COULD be applied if it meets its condition
        $discount = $this->discountService->getQuantityDiscountForASpecificDiscountable($shoppingCartItem->getProductable());
        if($discount)
        {
            /** @var QuantityDiscountCondition $quantityDiscountCondition */
            $quantityDiscountCondition = $discount->getDiscountCondition();

            /** @var ModifyPriceAction $modifyPriceAction */
            $modifyPriceAction = $discount->getDiscountAction();
            $orderedProduct->quantity_discount_price = (float) $shoppingCartItem->getTotal(false) - (float) $modifyPriceAction->getModificationValue(); //Price after quantity discount is applied
            $orderedProduct->quantity_discount_threshold = $quantityDiscountCondition->getQuantity();
        }

        $orderedProduct->original_price = $shoppingCartItem->getTotal(false);
        $orderedProduct->total = $shoppingCartItem->getTotal(true);
        $orderedProduct->quantity = $shoppingCartItem->getAmount();

        return $orderedProduct;
    }

    /**
     * Creates an order for a certain customer
     *
     * @param User $customer
     * @param ShoppingCartServiceInterface $shoppingCart
     * @param string $remarks
     * @return Order
     */
    public function makeOrderForCustomer(User $customer, ShoppingCartServiceInterface $shoppingCart, string $remarks = ''): Order
    {
        $order = new Order();
        $order->order_number = $this->getNewOrderNumber();
        $order->customer()->associate($customer);
        $order->invoice_company = $customer->company_name;
        $order->invoice_company_coc_number = $customer->chamber_of_commerce;
        $order->invoice_company_vat_number = $customer->company_vat_number;
        $order->invoice_salutation = $customer->getSalutation();
        $order->invoice_first_name = $customer->first_name;
        $order->invoice_last_name = $customer->last_name;
        $order->invoice_email = $customer->email;
        $order->invoice_phone = $customer->telephone;
        $order->invoice_street = $customer->company_street;
        $order->invoice_house_number = $customer->company_house_number;
        $order->invoice_postal_code = $customer->company_zip_code;
        $order->invoice_city = $customer->company_city;
        $order->invoice_country = $customer->company_country;
        $order->shipping_street = $customer->shipping_street;
        $order->shipping_street = $customer->shipping_street;
        $order->shipping_house_number = $customer->shipping_house_number;
        $order->shipping_postal_code = $customer->shipping_zip_code;
        $order->shipping_country = $customer->shipping_country;
        $order->cart_total = $shoppingCart->getTotal(true);
        $order->remarks = $remarks;

        return $order;
    }

    /**
     * Gets a new order number for a new order.
     *
     * @return string
     */
    private function getNewOrderNumber()
    {
        $newId = 1;
        $lastOrder = Order::orderBy('id', 'desc')->first(['id']);
        if($lastOrder) $newId = $lastOrder->id + 1;
        $paddedId = str_pad($newId, 8, 0, STR_PAD_LEFT);

        return 'ET_'.$paddedId;
    }
}