using Elwig.Helpers;
using System.Windows;
using System.Windows.Controls;

namespace Elwig.Dialogs {
    public partial class TareCorrectionDialog : Window {

        public int ActualTare { get; private set; }
        public int TargetTare { get; private set; }

        public TareCorrectionDialog(int? actualTare, int? targetTare = null) {
            InitializeComponent();
            ActualTare = actualTare ?? 0;
            TargetTare = targetTare ?? actualTare ?? 0;
            ActualTareInput.IsReadOnly = actualTare != null;
            ActualTareInput.Text = ActualTare.ToString();
            TargetTareInput.Text = TargetTare.ToString();
            TargetTareInput.SelectAll();
        }

        private void ConfirmButton_Click(object sender, RoutedEventArgs evt) {
            DialogResult = true;
            ActualTare = int.Parse(ActualTareInput.Text);
            TargetTare = int.Parse(TargetTareInput.Text);
            Close();
        }

        private void UpdateButtons() {
            ConfirmButton.IsEnabled = ActualTareInput.Text.Length > 0 && TargetTareInput.Text.Length > 0;
        }

        private void TareInput_TextChanged(object sender, TextChangedEventArgs evt) {
            if (sender is not TextBox b) return;
            Validator.CheckInteger(b, true, 4);
            UpdateButtons();
        }
    }
}