using System;
using System.Windows.Forms;
using TradeIdeas.TIProData;

namespace TradeIdeas.TIProGUI
{
    public partial class AddThemeMessageBox : Form
    {
        public string ThemeName => txtBox_ThemeName.Text?.Trim();

        public bool UseAsDefaultLayout => chkBox_UseAsDefaultLayout.Checked;

        public AddThemeMessageBox()
        {
            InitializeComponent();

            Icon = GuiEnvironment.DefaultIcon.Icon;
            StartPosition = FormStartPosition.CenterParent;

            txtBox_ThemeName.Focus();
            txtBox_ThemeName.Select();
        }

        private void txtBoxThemeName_KeyPress(object sender, KeyPressEventArgs e)
        {
            // Check if the Ctrl key is pressed and the A key is also pressed
            if (Char.IsControl(e.KeyChar) || Char.IsWhiteSpace(e.KeyChar) || e.KeyChar == '\b')
            {
                // Allow the Ctrl+A combination
                return;
            }

            // Specify the allowed characters
            var allowedChars = "abcdefghijklmnopqrstuvwxyz0123456789_-!@#$%^*()";

            // Check if the entered character is allowed
            if (!allowedChars.Contains(e.KeyChar.ToString().ToLower()))
            {
                // Block the input by setting the Handled property to true
                e.Handled = true;
            }
        }

        private void txtBoxThemeName_KeyUp(object sender, KeyEventArgs e)
        {
            if (IsThemeNameValid())
            {
                this.btn_Save.Enabled = true;
            }
            else
            {
                this.btn_Save.Enabled = false;
            }

            if (e.KeyCode == Keys.Enter && this.btn_Save.Enabled)
            {
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
        }

        private bool IsThemeNameValid()
        {
            var themeName = txtBox_ThemeName.Text?.Trim() ?? string.Empty;
            var valid = themeName.HasValue();
            return valid;
        }
    }
}