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 PizzaOrder
{
    public partial class Form1 : Form
    {
        /*
         ** author: Damjan Miloshevski
         ** contact: [email protected];
         ** skype: damjan.milosevski
         ** phone: +38978566409;
         ** web: https://www.facebook.com/damjan.miloshevski
                 http://miloshevski.us.to/
       */

        public float f = 0;

        public Form1()
        {
            InitializeComponent();
            Dessert d = new Dessert();
            d.Name = "Овошна пита";
            d.Price = 80;
            lstDeserti.Items.Add(d);

            Dessert d1 = new Dessert();
            d1.Name = "Сладолед";
            d1.Price = 120;
            lstDeserti.Items.Add(d1);

            Dessert d2 = new Dessert();
            d2.Name = "Торта";
            d2.Price = 160;
            lstDeserti.Items.Add(d2);

        }
        public void calculateTotal()
        {
            // ... vasiot kod ovde ...
            float total = 0;
            tbVkupnoNaplata.Text = tbMala.Text;
            if (rbMala.Checked)
            {
                if (float.TryParse(tbMala.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (rbSredna.Checked)
            {
                if (float.TryParse(tbSredna.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (rbGolema.Checked)
            {
                if (float.TryParse(tbGolema.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (cbPeperoni.Checked)
            {
                if (float.TryParse(tbPeperoni.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (cbExtraCheese.Checked)
            {
                if (float.TryParse(tbExtraCheese.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (cbKetchup.Checked)
            {
                if (float.TryParse(tbKetchup.Text, out f))
                {
                    total += f;
                    tbVkupnoNaplata.Text = total.ToString();
                }
            }
            if (float.TryParse(tbVkupnoCoke.Text, out f))
            {
                total += f;
                tbVkupnoNaplata.Text = total.ToString();
            }
            if (float.TryParse(tbVkupnoBeer.Text, out f))
            {
                total += f;
                tbVkupnoNaplata.Text = total.ToString();
            }
            if (float.TryParse(tbVkupnoJuice.Text, out f))
            {
                total += f;
                tbVkupnoNaplata.Text = total.ToString();
            }
            if (float.TryParse(tbCenaDesert.Text, out f))
            {
                total += f;
                tbVkupnoNaplata.Text = total.ToString();
            }
        }

        private void rbMala_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }

        private void rbSredna_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }

        private void rbGolema_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }

        private void cbPeperoni_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }

        private void cbExtraCheese_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }

        private void cbKetchup_CheckedChanged(object sender, EventArgs e)
        {
            calculateTotal();
        }
        private void tbKolicinaCoke_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaCoke.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaCoke.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoCoke.Text = total.ToString();
            calculateTotal();
        }

        private void tbCenaCoke_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaCoke.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaCoke.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoCoke.Text = total.ToString();
            calculateTotal();
        }

        private void tbKolicinaJuice_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaJuice.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaJuice.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoJuice.Text = total.ToString();
            calculateTotal();
        }

        private void tbCenaJuice_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaJuice.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaJuice.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoCoke.Text = total.ToString();
            calculateTotal();
        }

        private void tbKolicinaBeer_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaBeer.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaBeer.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoBeer.Text = total.ToString();
            calculateTotal();
        }

        private void tbCenaBeer_TextChanged(object sender, EventArgs e)
        {
            float total = 0;
            float cena = 0;
            float quantity = 0;
            if (float.TryParse(tbCenaBeer.Text, out f))
            {
                cena = f;
            }
            if (float.TryParse(tbKolicinaBeer.Text, out f))
            {
                quantity = f;
            }
            total = quantity * cena;
            tbVkupnoBeer.Text = total.ToString();
            calculateTotal();
        }
        private void lstDeserti_SelectedIndexChanged(object sender, EventArgs e)
        {
            Dessert d = lstDeserti.SelectedItem as Dessert;
            if (d != null)
            {
                tbCenaDesert.Text = Convert.ToString(d.Price);
            }
            calculateTotal();
        }
        private void tbNaplateno_TextChanged(object sender, EventArgs e)
        {
            float naplateno = 0;
            float vkupno = 0;
            double zaVrakjanje = 0;
            if (float.TryParse(tbNaplateno.Text, out f))
            {
                naplateno = f;
            }
            if (float.TryParse(tbVkupnoNaplata.Text, out f))
            {
                vkupno = f;
            }
            zaVrakjanje = Math.Abs(naplateno - vkupno) * -1;
            tbZaVrakjanje.Text = Convert.ToString(zaVrakjanje);

        }
        private void btnNaracaj_Click(object sender, EventArgs e)
        {
            double zaVrakjanje = Convert.ToDouble(tbZaVrakjanje.Text);

            if (zaVrakjanje != 0)
            {
                DialogResult result = MessageBox.Show
                    ("Ве молиме исплатете ја целосната нарачка пред да ја извршите нарачката!",
                    "Грешка!", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
            }
            else
            {
                StringBuilder sb = new StringBuilder();
                if (rbMala.Checked)
                {
                    sb.Append("Мала пица");
                    sb.Append("\n");
                }
                else if (rbSredna.Checked)
                {
                    sb.Append("Средна пица");
                    sb.Append("\n");
                }
                else
                {
                    sb.Append("Голема пица");
                    sb.Append("\n");
                }
                sb.Append("Додатоци:");
                sb.Append("\n");
                if (cbPeperoni.Checked)
                {
                    sb.Append(cbPeperoni.Text);
                    sb.Append("\n");
                }
                if (cbKetchup.Checked)
                {
                    sb.Append(cbKetchup.Text);
                    sb.Append("\n");
                }
                if (cbExtraCheese.Checked)
                {
                    sb.Append(cbExtraCheese.Text);
                    sb.Append("\n");
                }
                if (lstDeserti.SelectedIndex != -1)
                {
                    sb.Append("Десерт:");
                    sb.Append("\n");
                    sb.Append(lstDeserti.SelectedItem.ToString());
                }
                sb.Append("\n");
                sb.Append("Добар апетит!");
                DialogResult result = MessageBox.Show(sb.ToString(), "Вашата нарачка", MessageBoxButtons.OK
                    , MessageBoxIcon.None);
            }
        }
        private void btnOtkazi_Click(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("Дали сакате да ја откажете нарачката?", "Откажи",
              MessageBoxButtons.YesNoCancel, // vid na dijalogot
              MessageBoxIcon.Question); // ikona na dijalogot
            if (result == DialogResult.Yes)
            {
                Application.Exit();
            }
        }
    }
}