using demo_trade.Data.RemoteData.Entity;
using demo_trade.Data.Repository;
using demo_trade.UI.Presenters;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace demo_trade.Domain
{
    public class OrderClientUseCase
    {
        private IOrderRepository _orderRepository;
        private IPickupRepository _pickupRepository;
        public OrderClientUseCase(IOrderRepository orderRepository, IPickupRepository pickupRepository) {
            _orderRepository = orderRepository;
            _pickupRepository = pickupRepository;
        } 

        public List<PickupPoint> GetPickupPoints() => _pickupRepository.GetAllPickupPoints();
        public int GetNewOrderNumber() => _orderRepository.GetNumberForNewOrder();

        public Models.Order? GenerateNewOrder(PickupPoint orderPickupPoint, List<OrderProductPresenter> products,decimal orderSumCost, string? clientName = null) {
            int daysOrderCount = CheckProductsQuntity(products) ? 3 : 6;
            Order order = new Order { Orderdeliverydate = DateOnly.FromDateTime(DateTime.Now.AddDays(daysOrderCount)), Orderpickuppoint = orderPickupPoint.PickupPointId, Orderstatus = "Новый", ClientName= clientName, OrderSumCost=orderSumCost};
            List<Orderproduct> orderproducts = products.Select(it => new Orderproduct { Productarticlenumber = it.ArticleNumber, ProductCount = it.ProductCount }).ToList();
            var resultOrder =  _orderRepository.CreateOrder(order, orderproducts);
            if (resultOrder != null) return new demo_trade.Models.Order { Orderid = resultOrder.Orderid, Orderdeliverydate = resultOrder.Orderdeliverydate, PickupPointName = orderPickupPoint.PickupPointName, Orderstatus = resultOrder.Orderstatus, ProductList =products, OrderClient=clientName, OrderSumCost=orderSumCost };
            return null;
        }
        private bool CheckProductsQuntity(List<OrderProductPresenter> orderProducts) {

            foreach (var product in orderProducts) {
                if (product.QuantityInStock <= 3) return false; 
            }
            return true;
        }
    }
}