using Deckungsbeitrag.AA_Klassen;
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();
      ControlBox = false;
    }
    public CustomInputBox(string Frage, string Title, string Eingabe, string numeric) : this()
    {
      if (numeric == "isNumeric") { this.textBoxText.AccessibleName = "isNumeric"; this.isNumeric = true; }
      if (numeric == "isAlpha") { this.textBoxText.AccessibleName = "isAlpha"; this.isNumeric = false; }
      if (numeric == "isCalc") { this.textBoxText.AccessibleName = "isClac"; this.isNumeric = true; }
      this.labelFrage.Text = Frage;
      this.labelEingabe.Text = Eingabe + ":";
      this.Text = Title;
      if (isNumeric) this.textBoxText.Text = "1";
      else this.textBoxText.Text = string.Empty;
      this.buttonOK.Text = TranslationService.T("Button.Ok");
      this.buttonAbbrechen.Text = TranslationService.T("Button.Abbrechen");
    }

    private void TextBoxText_Click(object sender, EventArgs e)
    {
      TextBox tb = (TextBox)sender;
      tb.Clear();
      keyboard = Funktionen.OpenVirtualKeyboard(sender);
    }
    private void TextBoxText_Enter(object sender, EventArgs e)
    {
      TextBox tb = (TextBox)sender;
      keyboard = Funktionen.OpenVirtualKeyboard(sender);

      this.BeginInvoke(new Action(() =>
      {
        if (!tb.IsDisposed && tb.CanFocus)
        {
          tb.Focus();
          tb.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;
      }
    }
  }
}