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;
using VirtualKeyboard;

namespace Deckungsbeitrag.AA_Forms
{
  public partial class CustomInputBox : Form
  {
    private QwertzKeyboard keyboard;
    private readonly bool isNumeric;
    private readonly string frage;
    private readonly string title;
    private readonly string eingabe;
    public string text;
    public CustomInputBox()
    {
      InitializeComponent();
    }
    public CustomInputBox(string Frage, string Title, string Eingabe, string numeric) : this()
    {
      if (numeric == "isNumeric") this.isNumeric = true;
      if (numeric == "isAlpha") this.isNumeric = false;
      this.labelFrage.Text = Frage;
      this.labelEingabe.Text = Eingabe + ":";
      this.Text = Title;
      if (isNumeric) this.textBoxText.Text = "1";
      else this.textBoxText.Text = string.Empty;
    }

    private void TextBoxText_Click(object sender, EventArgs e)
    {
      this.textBoxText.Clear();
      if (Program.istTouch & Screen.PrimaryScreen.WorkingArea.Width > 0 & Screen.PrimaryScreen.WorkingArea.Width < 2000)
      {
        if (keyboard == null || keyboard.IsDisposed)
        {
          keyboard = new QwertzKeyboard(textBoxText, "isNumeric");
          keyboard.Show();
        }
        else
        {
          keyboard.Close();
          keyboard = new QwertzKeyboard(textBoxText, "isNumeric");
          keyboard.Show();
        }
      }
    }
    private void TextBoxText_Enter(object sender, EventArgs e)
    {
      this.textBoxText.Clear();
      this.textBoxText.SelectAll();
    }

    private void ButtonAbbrechen_Click(object sender, EventArgs e)
    {
      if (keyboard != null) keyboard.Close();
      this.DialogResult = DialogResult.Cancel;
      this.Close();
    }

    private void ButtonOK_Click(object sender, EventArgs e)
    {
      if (keyboard != null) keyboard.Close();
      this.DialogResult = DialogResult.OK;
      this.Close();
    }

    private void TextBoxText_Validating(object sender, CancelEventArgs e)
    {
      if (buttonAbbrechen.Focused)
        return;

      if (isNumeric)
      {
        if (int.TryParse(textBoxText.Text, out int value)) this.text = textBoxText.Text;
        else
        {
          MessageBox.Show("Bitte nur ganze Zahlen eingeben.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
          e.Cancel = true;
          this.textBoxText.Clear();
        }
      }
      else
      {
        this.text = textBoxText.Text;
      }
    }
  }
}