ProgaOra/20241114/WpfApp2/WpfApp2/MainWindow.xaml.cs

using System.Text;
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;

namespace WpfApp2
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public static int stock = 0;
        public static List<int> days = new List<int>();
        public MainWindow()
        {
            InitializeComponent();

            for (int i = 1; i <= 40; i++)
            {
                dropdown.Items.Add(i);
            }
            
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            int made = Convert.ToInt32(elkeszitett.Text);
            int sold = Convert.ToInt32(eladott.Text);
            int day = dropdown.SelectedIndex + 1;


            if (made < 0 || sold < 0)
            {
                MessageBox.Show("Negatív számot nem adhat meg!");
            }
            else
            {
                stock += made;

                if (sold <= stock && !days.Contains(day))
                {
                    stock -= sold;
                    string newline = $"{day}.nap    +{made}     -{sold}     ={stock}";
                    days.Add(day);
                    lista.Items.Add(newline);
                } 
                else
                {
                    if (sold > stock)
                    {
                        MessageBox.Show("Túl sok az eladott angyalka!");
                        stock -= made; //reset the stock amount
                    }
                    else
                    {
                        MessageBox.Show("Ezt a napot már hozzáadtad!");
                    }
                    
                }
            }
        }
    }
}