using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using InABox.Core;

namespace InABox.DynamicGrid
{
    public class TextBoxEditorControl : DynamicEditorControl<string>
    {
        private TextBox Editor;

        private bool IsChanged;

        protected override FrameworkElement CreateEditor()
        {
            var dock = new DockPanel();

            var buttons = CreateButtons(out var DisableEditor);
            foreach (var button in buttons)
            {
                button.SetValue(DockPanel.DockProperty, Dock.Right);
                dock.Children.Add(button);
                dock.Width += button.Width + 5;
            }

            Editor = new TextBox
            {
                VerticalAlignment = VerticalAlignment.Stretch,
                VerticalContentAlignment = VerticalAlignment.Center,
                HorizontalAlignment = HorizontalAlignment.Stretch
            };
            Editor.SetValue(DockPanel.DockProperty, Dock.Left);
            if (DisableEditor)
            {
                Editor.Background = new SolidColorBrush(Colors.Silver);
                Editor.IsEnabled = false;
            }

            Editor.TextChanged += (o, e) =>
            {
                IsChanged = true;
                //CheckChanged();
            };
            Editor.LostFocus += (o, e) =>
            {
                if (IsChanged)
                    CheckChanged();
            };
            dock.Children.Add(Editor);
            return dock;
        }

        public override int DesiredHeight()
        {
            return 25;
        }

        public override int DesiredWidth()
        {
            return int.MaxValue;
        }

        protected override string RetrieveValue()
        {
            return Editor.Text;
        }

        protected override void UpdateValue(string value)
        {
            if (Editor != null && value != Editor.Text)
            {
                Editor.Text = value;
                if (Loaded)
                    CheckChanged();
            }
        }

        public override void SetFocus()
        {
            Editor.Focus();
            Editor.CaretIndex = string.IsNullOrEmpty(Value) ? 0 : Value.Length;
        }

        public override void SetColor(Color color)
        {
            Editor.Background = new SolidColorBrush(color);
        }
    }
}