namespace Практика_4._1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            getFile.Filter = "Файлы jpeg|*.jpg|Файлы png|*.png|Файлы bmp|*.bmp";
            getFile.ShowDialog();

            if(File.Exists(getFile.FileName))
                mainImage.Load(getFile.FileName);
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if ((e.KeyChar >= '0') && (e.KeyChar <= '9'))
                return;

            if (Char.IsControl(e.KeyChar))
            {
                if (e.KeyChar == (char)Keys.Enter)
                    mainImage.Focus();
                return;
            }
            e.Handled = true;
        }

        private void size_SelectedIndexChanged(object sender, EventArgs e)
        {
            setPrice();
        }

        private double countPrice()
        {
            double price;

            double coefficient = 0;

            switch (size.SelectedIndex)
            {
                case 0: coefficient = 1; break;
                case 1: coefficient = 1.1; break;
                case 2: coefficient = 1.3; break;
                case 3: coefficient = 1.4; break;
                case 4: coefficient = 1.5; break;
                case 5: coefficient = 1.6; break;
                case 6: coefficient = 1.7; break;
                case 7: coefficient = 1.8; break;
                case 8: coefficient = 1.9; break;
            }

            if (count.TextLength > 0)
                price = Convert.ToDouble(count.Text) * coefficient;
            else
                price = 0;

                if (glossy.Checked)
                    price *= 1.5;
                else if (metallic.Checked)
                    price *= 2;

                return price;
        }

        private void setPrice()
        {
            if (File.Exists(getFile.FileName))
                price.Text = (countPrice()).ToString() + " грн";
            else MessageBox.Show("Изображение не задано.");
        }

        private void count_TextChanged(object sender, EventArgs e)
        {
            setPrice();
        }

        private void matt_MouseClick(object sender, MouseEventArgs e)
        {
            setPrice();
        }

        private void glossy_Click(object sender, EventArgs e)
        {
            setPrice();
        }

        private void metallic_Click(object sender, EventArgs e)
        {
            setPrice();
        }

    }
}