using Magazyn.DataModels;
using System;
using System.Collections.Generic;
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 Magazyn.Windows
{
	/// <summary>
	/// Interaction logic for AmountWindow.xaml
	/// </summary>
	/// 

	public partial class AmountWindow : Window
	{
		Fruit fruit;
		int type;
		int quantity;

		public delegate void ChangingAmountOfFruits(int amountChanged);
		public event ChangingAmountOfFruits SaveChangingAmountOfFruits;

		public AmountWindow(Fruit fruit, int type, int quantity)
		{
			InitializeComponent();
			this.fruit = fruit;
			this.type = type;

			this.quantity = quantity;

			if (type == -1)
				this.Title = "Zmniejsz ilość: " + fruit.Name;
			else
				this.Title = "Zwiększ ilość: " + fruit.Name;

			fruitName.Text = fruit.Name;

			messageBox.Text = String.Format("Jaką ilość produktu chcesz {0} do magazynu?", (type > 0) ? "dodać" : "odjąć");

			try
			{
				fruitImage.Source = new BitmapImage(new Uri(fruit.ImageLink));
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message);
			}

		}

		private void saveButton_Click(object sender, RoutedEventArgs e)
		{
			int amount = int.Parse(amountToChange.Text);
			try
			{
				if (amount < 0)
				{
					ErrorWindow window = new ErrorWindow("Podana wartość jest nieprawidłowa, proszę podać wartość dodatnią.");
					window.Owner = Application.Current.MainWindow;
					window.ShowDialog();
					amountToChange.Text = "0";
					return;
				}

			}
			catch (Exception ex)
			{
				throw new NotImplementedException(ex.Message);
			}

			SaveChangingAmountOfFruits.Invoke((type > 0) ? amount : -amount);
			this.Close();
		}

		private void cancelButton_Click(object sender, RoutedEventArgs e)
		{
			this.Close();
		}
	}
}