using OOO_WriteAndClear.DBModels;
using OOO_WriteAndClear.MVP.MVPInterfaces;
using System.Windows;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OOO_WriteAndClear.MVP.Models
{
    public class OrderCartWindowModel : IOrderCartWindowContract.IModel
    {
        public OrderCartWindowModel() { }


        public OrderFormerer.OrderFormerer OrderFormerer { get; set; }


        #region Реализация IOrderCartWindowContract.IModel

        public void AddProductUnitIntoOrder(string productArticle)
        {
            Product? product = GetProductByArticle(productArticle);
            if (product is null)
                return;
            OrderFormerer.AddProductUnitIntoOrder(product);
        }

        public void RemoveProductFromOrder(string productArticle)
        {
            Product? product = GetProductByArticle(productArticle);
            if (product is null)
                return;
            OrderFormerer.RemoveProductFromOrder(product);
        }

        public void RemoveProductUnitFromOrder(string productArticle)
        {
            Product? product = GetProductByArticle(productArticle);
            if (product is null)
                return;
            OrderFormerer.RemoveProductUnitFromOrder(product);
        }

        public ICollection<PickupPoint> GetAllPickupPoints()
        {
            using (VorobiewTradeContext db = new VorobiewTradeContext())
            {
                return db.PickupPoints.ToList();
            };
        }

        public void AddOrderInSystem(PickupPoint selectedPickupPoint)
        {
            OrderFormerer.Order.OrderPickupPoint = selectedPickupPoint;
            User currentUser = (User)Application.Current.Resources["CurrentUser"];
            if (currentUser.UserId == -1)
                OrderFormerer.Order.OrderCustomer = "";
            else
                OrderFormerer.Order.OrderCustomer = currentUser.ToString();
            Order AddingOrder = OrderFormerer.PrepareOrderForAdd();
            using (VorobiewTradeContext db = new VorobiewTradeContext())
            {
                db.Orders.Add(AddingOrder);
                db.SaveChanges();
            }
            OrderFormerer.Order.OrderId = AddingOrder.OrderId;
        }

        #endregion


        private Product? GetProductByArticle(string article)
        {
            using (VorobiewTradeContext db = new VorobiewTradeContext())
                return db.Products.Find(article);
        }
    }
}