using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            int selectedItemIndex = Convert.ToInt32(comboBox1.SelectedIndex);
            int selectedItem = Convert.ToInt32(comboBox1.SelectedItem);

            int done = Convert.ToInt32(textBox1.Text);
            int sold = Convert.ToInt32(textBox2.Text);

            if (done < 0 || sold < 0)
            {
                MessageBox.Show("Rossz számot adtál meg.");
            } else if (sold > done)
            {
                MessageBox.Show("Túl sok az eladott angyalka.");
            } else
            {
                for (int i = 0; i <= selectedItemIndex; i++)
                {
                    if (i == selectedItemIndex)
                    {
                        listBox1.Items.Add($"{selectedItemIndex}.nap:\t+{done}\t-{sold}={done - sold}");
                        comboBox1.Items.RemoveAt(0);
                        textBox1.Text = "0";
                        textBox2.Text = "0";
                    } else
                    {
                        listBox1.Items.Add($"{Convert.ToInt32(comboBox1.Items[0])}.nap:\t+0\t-0=0");
                        comboBox1.Items.RemoveAt(0);
                    }
                }
            }
        }
    }
}