using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
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.Shapes;

namespace Eight
{
    /// <summary>
    /// Логика взаимодействия для UpdateProductWindow.xaml
    /// </summary>
    public partial class UpdateProductWindow : Window
    {
        private string _path;
        public UpdateProductWindow(Product product)
        {
            InitializeComponent();
            Load();
            DataContext = product;
            foreach(var productMaterial in product.ProductMaterial)
            {
                BasketBox.Items.Add(productMaterial);
            }
            _path = product.ImagePath;
            Img.Source = GetBitmapImage(_path);
        }
        private BitmapImage GetBitmapImage(string path)
        {
            BitmapImage bitmapImage = new BitmapImage();
            bitmapImage.BeginInit();
            bitmapImage.UriSource = new Uri(path);
            bitmapImage.EndInit();
            return bitmapImage;
        }
        private void Load()
        {
            CmbType.ItemsSource = Helper.GetContext().ProductType.ToList();
            ProductsBox.ItemsSource = Helper.GetContext().Material.ToList();
        }
        private void BtnChoose_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                OpenFileDialog openFileDialog = new OpenFileDialog();
                if (openFileDialog.ShowDialog() == true)
                {
                    var fileName = openFileDialog.FileName;
                    _path = "\\products\\" + openFileDialog.SafeFileName;
                    File.Copy(fileName, Environment.CurrentDirectory + "\\products\\" + openFileDialog.SafeFileName, true);
                    Img.Source = GetBitmapImage(Environment.CurrentDirectory + "\\products\\" + openFileDialog.SafeFileName);
                }
            }
            catch (Exception)
            {
                return;
            }
        }

        private void BtnAdd_Click(object sender, RoutedEventArgs e)
        {
            if (ProductsBox.SelectedItem is Material material)
            {
                var materialDuplicate = BasketBox.Items.Cast<ProductMaterial>().ToList().SingleOrDefault(x => x.Material == material);
                if (materialDuplicate == null)
                {
                    BasketBox.Items.Add(new ProductMaterial() { Material = material, Count = 1 });
                }
                else
                {
                    materialDuplicate.Count++;
                }
                BasketBox.Items.Refresh();
            }
        }

        private void BtnRemove_Click(object sender, RoutedEventArgs e)
        {
            if (BasketBox.SelectedItem is ProductMaterial productMaterial)
            {
                if (productMaterial.Count == 1)
                {
                    BasketBox.Items.Remove(productMaterial);
                }
                else
                {
                    productMaterial.Count--;
                }
                BasketBox.Items.Refresh();  
            }
        }

        private void BtnSubmit_Click(object sender, RoutedEventArgs e)
        {
            var product = DataContext as Product;
            var productMaterials = BasketBox.Items.Cast<ProductMaterial>().ToList();
            product.Image = _path;
            product.ProductMaterial = productMaterials;
            Helper.GetContext().SaveChanges();
            Close();
        }

        private void BtnDelete_Click(object sender, RoutedEventArgs e)
        {
            Helper.GetContext().Product.Remove(DataContext as Product);
            Helper.GetContext().SaveChanges();
            Close();
        }
    }
}