using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using UP_Venediktov.ModelBase;
using UP_Venediktov.Classes;

namespace UP_Venediktov.Pages
{
    /// <summary>
    /// Логика взаимодействия для Orders.xaml
    /// </summary>
    public partial class Orders : Page
    {

        Entities DB = new Entities();
        int id;
        public Orders(int id)
        {
            InitializeComponent();
            OrderList.ItemsSource = DB.Order.ToList();
            SortOrders.ItemsSource = new List<string>() { "Без сортировки", "Сначала дешёвые", "Сначала дорогие" };
            FilterOrders.ItemsSource = new List<string>() { "Без фильтрации", "Скидка 0%-10%", "Скидка 10%-15%", "Скидка более 15%" };
            SortOrders.SelectedIndex = 0;
            FilterOrders.SelectedIndex = 0;
            this.id = id;
        }

        private void WhatInOrder(object sender, RoutedEventArgs e)
        {
            TextBlock tb = (TextBlock)sender;
            int id = Convert.ToInt32(tb.Uid);
            string WhatIn = "";
            foreach (OrderProduct op in DB.OrderProduct)
            {
                if (op.OrderID == id)
                {
                    WhatIn += DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductName).FirstOrDefault() + " ";
                    WhatIn += op.ProductCont + " " + DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductMeasurement.NameMeasurement).FirstOrDefault() + "\n";
                }
            }
            tb.Text = WhatIn;
        }
        private void OrderCost(object sender, RoutedEventArgs e)
        {
            TextBlock tb = (TextBlock)sender;
            int id = Convert.ToInt32(tb.Uid);
            decimal? TotalCost = 0;
            foreach (OrderProduct op in DB.OrderProduct)
            {
                if (op.OrderID == id)
                {
                    TotalCost += DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductCost).FirstOrDefault() *
                        op.ProductCont;
                }
            }
            tb.Text = "Стоимость заказа: " + string.Format("{0:C2}", TotalCost);
        }

        private void TotalPromo(object sender, RoutedEventArgs e)
        {
            TextBlock tb = (TextBlock)sender;
            int id = Convert.ToInt32(tb.Uid);
            int? Promo = 0;
            foreach (OrderProduct op in DB.OrderProduct)
            {
                if (op.OrderID == id)
                {
                    Promo += DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductDiscountAmount).FirstOrDefault();
                }
            }
            tb.Text = "Общая скидка: " + Promo.ToString() + "%";
        }

        private void BgrLoad(object sender, RoutedEventArgs e)
        {
            Border br = (Border)sender;
            int id = Convert.ToInt32(br.Uid);
            Product pr = DB.OrderProduct.Where(x => x.OrderID == id).Select(x => x.Product).FirstOrDefault();
            if (pr.ProductQuantityInStock > 3)
            {
                br.Background = (SolidColorBrush)new BrushConverter().ConvertFrom("#20b2aa");
            }
            if (pr.ProductQuantityInStock == 0)
            {
                br.Background = (SolidColorBrush)new BrushConverter().ConvertFrom("#ff8c00");
            }
        }

        public void Filter()
        {
            List<Order> UpdateOrders = DB.Order.ToList();
            if (SortOrders.SelectedIndex != 0)
            {
                decimal? TotalCost = 0;
                foreach (Order or in UpdateOrders)
                {
                    TotalCost = 0;
                    foreach (OrderProduct op in DB.OrderProduct)
                    {
                        if (op.OrderID == or.OrderID)
                        {
                            TotalCost += DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductCost).FirstOrDefault() *
                                op.ProductCont;
                        }
                    }
                    or.OrderCode = Convert.ToInt32(TotalCost);
                }
                switch (SortOrders.SelectedIndex)
                {
                    case 1:
                        UpdateOrders = UpdateOrders.OrderBy(x => x.OrderCode).ToList();
                        break;
                    case 2:
                        UpdateOrders = UpdateOrders.OrderByDescending(x => x.OrderCode).ToList();
                        break;
                    default:
                        break;
                }
            }

            if (FilterOrders.SelectedIndex != 0)
            {
                int? TotalPromo = 0;
                foreach (Order or in UpdateOrders)
                {
                    TotalPromo = 0;
                    foreach (OrderProduct op in DB.OrderProduct)
                    {
                        if (op.OrderID == or.OrderID)
                        {
                            TotalPromo += DB.Product.Where(x => x.ProductArticleNumber == op.ProductArticleNumber).Select(x => x.ProductDiscountAmount).FirstOrDefault();
                        }
                    }
                    or.OrderPickupPoint = Convert.ToInt32(TotalPromo);
                }
                switch (FilterOrders.SelectedIndex)
                {
                    case 1:
                        UpdateOrders = UpdateOrders.Where(x => x.OrderPickupPoint >= 0 && x.OrderPickupPoint < 10).ToList();
                        break;
                    case 2:
                        UpdateOrders = UpdateOrders.Where(x => x.OrderPickupPoint >= 10 && x.OrderPickupPoint < 15).ToList();
                        break;
                    case 3:
                        UpdateOrders = UpdateOrders.Where(x => x.OrderPickupPoint >= 15).ToList();
                        break;
                    default:
                        break;
                }
            }
            OrderList.ItemsSource = UpdateOrders;
        }

        private void SortOrFilter(object sender, SelectionChangedEventArgs e)
        {
            Filter();
        }

        private void BackToProduct(object sender, RoutedEventArgs e)
        {
            FrameClass.MainFrame.Navigate(new ProductListUser(id));
        }
    }
}