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;

			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)
			{

			}

		}

		private void saveButton_Click(object sender, RoutedEventArgs e)
		{
			int amount = 0;
            int maxAmount = 2500;
			try
			{
				amount = int.Parse(amountToChange.Text);
                if (amount < 0)
                {
                    MessageBox.Show("Podana wartość jest nieprawidłowa, proszę podać wartość dodatnią", "Nieprawidłowa wartość", MessageBoxButton.OK, MessageBoxImage.Error);
                    amountToChange.Text = "0";
                    return;
                }
              
			} catch (Exception ex) {
				throw new NotImplementedException(ex.Message);
			}

            if ((quantity + amount > maxAmount) && amount >= 0 && type == 1)
            {
                MessageBox.Show("Przepełnienie magazynu", "Przepełnienie, maksymalnie 2500 sztuk", MessageBoxButton.OK, MessageBoxImage.Error);
                amountToChange.Text = "0";
                return;

            } else if ((quantity - amount < 0) && amount >= 0 && type == -1)
            {
                MessageBox.Show("Niedobór magazynu", "Ilość przedmiotów nie możę być mniejsza niz 0", MessageBoxButton.OK, MessageBoxImage.Error);
                amountToChange.Text = "0";
                return;
            } else
            {
                SaveChangingAmountOfFruits.Invoke((type > 0) ? amount : -amount);
                this.Close();
            }

		}

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