using Microsoft.VisualBasic;

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            listBox1.Items.Add("Salade");
            listBox1.Items.Add("Fromage");
            listBox1.Items.Add("Poulet Routis");
            listBox1.Items.Add("Poisson");
            listBox1.Items.Add("Dessert");
            listBox1.Items.Add("Café");
            listBox1.SelectionMode = SelectionMode.MultiSimple;


            listBox2.Items.Add("Premier classe");
            listBox2.Items.Add("Deuziéme classe");
            comboBox1.Items.Add("Pas de réduction");
            comboBox1.Items.Add("Carte jeune");
            comboBox1.Items.Add("Carte adulte");
            comboBox1.Items.Add("Carte famille");
        }

        private void button1_Click(object sender, EventArgs e)
        {/*
            foreach (var elem in listBox1.SelectedItems)
            {
                MessageBox.Show("votre choix est: " + elem.ToString()) ;
                
         
            }
            */
            /*string message;
            message = "Votre plat comporte: \n \n ";
            foreach (var elem in listBox1.SelectedItems)
            {
                message += "-" + " " + elem.ToString() + "\n";
            }
            MessageBox.Show(message);*/

            if (listBox1.SelectedItems.Count > 0)
            {
                string message;
                message = "Votre plat comporte: \n \n ";
                foreach (var elem in listBox1.SelectedItems)
                {
                    message += "-" + " " + elem.ToString() + "\n";
                }
                MessageBox.Show(message);
            }
            else
            {
                MessageBox.Show("Auccun plat");
            }




        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        private void textBox3_TextChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {
            textBox4.Text = "";
            textBox1.Text = "";
        }

        private void button2_Click(object sender, EventArgs e)
        {
            float pb;
            pb = float.Parse(textBox4.Text);


           


            if (listBox2.Text=="Premier classe")
            {
                pb += pb * 20 / 100;
            }

            if (comboBox1.Text=="Carte adulte")
            {
                pb = pb - (pb * 30 / 100);
            }

            if (comboBox1.Text == "Carte jeune")
            {
                pb = pb - (pb * 40 / 100);
            }
            if (comboBox1.Text == "Carte famille")
            {
                pb = pb - (pb * 50 / 100);
            }

            textBox1.Text = pb.ToString();

            float tva;
            tva = pb * 20 / 100;
            textBox2.Text = tva.ToString();

            float ttc;
            ttc = pb + tva;
            textBox3.Text = ttc.ToString();

        }
    }
}