using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using JD.Application.View.WindowLess;
using JD.Sequencers.Windowlesses;
using JD.Timeline.Model.Clips;
using JD.Timeline.View.Helpers;
using JD.Serialization;
using TeaBox.Core.Source.Gui;

namespace JD.Timeline.View.ClipView.Widgets
{
    public class PictogramClipWidget : DanceEditorClipWidget
    {
        #region Variables

        private static readonly Color _backgroundColor = Color.FromArgb(150, 170, 190);
        private static readonly Color _borderColor = _backgroundColor.Add(-30);
        private static readonly Color _fontColor = Color.FromArgb(90, 0, 0, 0);
        private static readonly Bitmap _icon16X16ClipSettings = Properties.Resources.Icon_16x16_clip_settings;
        private static readonly Bitmap _icon16X16GoldMedal = Properties.Resources.Icon_16x16_goldmedal;
        private static readonly Font _pictoClipFont = new Font(FontFamily.GenericSansSerif, 8);
        private static readonly StringFormat _stringFormat = new StringFormat
        {
            Alignment = StringAlignment.Center,
            LineAlignment = StringAlignment.Near,
        };

        #endregion

        #region Constructor

        public PictogramClipWidget(PictogramClip model)
            : base(model)
        {
            Model.Model.BitmapHandler().PropertyChanged += OnBitmapHandlerPropertyChanged;
            ToolbarItems.Add(
                 new ToolbarItem
                 {
                     Bitmap = () => _icon16X16ClipSettings,
                     Priority = 0,
                     IsVisible = () => true,
                     OnClick = delegate
                     {
                         var wpfwindow = new PictogramClipEditionHelper(Model);
                         wpfwindow.Show();
                         wpfwindow.Left = Cursor.Position.X;
                         wpfwindow.Top = Cursor.Position.Y - wpfwindow.ActualHeight;
                         wpfwindow.Closing += (s, e) =>
                         {
                             var control = (WindowlessRootControl)RootControl;
                             var position = control.PointToClient(Cursor.Position);
                             control.SimulateOnMouseDown(control, new MouseEventArgs(MouseButtons.Left, 1, position.X, position.Y, 0));
                         };
                     }
                 }
            );
            ToolbarItems.Add(
                new ToolbarItem
                {
                    Bitmap = () => _icon16X16GoldMedal,
                    Priority = 0,
                    IsVisible = () => Model != null && (Model.Model.Flags & PictogramFlag.Gold) == PictogramFlag.Gold
                }
           );
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                Model.Model.BitmapHandler().PropertyChanged -= OnBitmapHandlerPropertyChanged;
            }

            base.Dispose(disposing);
        }

        private void OnBitmapHandlerPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "BitmapThumbnail")
            {
                SetupBounds();
                Invalidate();
            }
        }

        #endregion

        #region Properties

        private Bitmap Pictogram
        {
            get { return Model.Model.BitmapHandler().BitmapThumbnail; }
        }

        public new PictogramClip Model
        {
            get { return (PictogramClip)base.Model; }
        }

        public override bool SupportAutoLoop
        {
            get { return false; }
        }

        #endregion

        #region Methods

        protected override void OnPaint(PaintEventArgs e)
        {
            SetupBounds();

            var graphics = e.Graphics;

            if (!Model.CollisionsWithOther)
            {
                FillBackground(graphics, Bounds, _backgroundColor);
            }
            else
            {
                FillBackground(graphics, Bounds, WarningFillColor);
            }

            if (Pictogram != null)
            {
                var units = GraphicsUnit.Pixel;
                var destBounds = Bounds;
                destBounds.Height -= 10;
                destBounds.Y += 5;
                var srcBounds = Pictogram.GetBounds(ref units);
                float newImageWidth = destBounds.Width * (float)Pictogram.Height / destBounds.Height;
                srcBounds.X = srcBounds.X + srcBounds.Width / 2 - newImageWidth / 2;
                srcBounds.Width = newImageWidth;

                if (srcBounds.Width > 0 && srcBounds.Height > 0 && destBounds.Width > 0 && destBounds.Height > 0)
                {
                    graphics.DrawImage(Pictogram, destBounds, srcBounds, units);
                }
            }

            if (Bounds.Width > 60)
            {
                var textBounds = Bounds;
                textBounds.Width = Bounds.Width - 16;
                graphics.DrawString(Model.Model.Name, _pictoClipFont, StyleSheet.Brushes[_fontColor], textBounds, _stringFormat);
            }

            if (Selected)
            {
                FillBackground(graphics, Bounds, SelectionFillColor);
                DrawRectangle(graphics, Bounds, SelectionBorderPen);
            }
            else
            {
                DrawRectangle(graphics, Bounds, StyleSheet.Pens[_borderColor]);
            }

            if (Model.CollisionsWithOther)
            {
                DrawClipWithWarning(graphics);
            }

            DrawNotificationIcons(graphics);

            OnPaintChildControls(e);
        }

        public override void OnDoubleClick()
        {
            TeaBox.ObjectModel.Application.Main.Dispatcher.DispatchAsync(
                () => Track.TrackView.SelectAll<PictogramClipWidget>(x => x.Model.Model == Model.Model),
                forceAsync: true);
        }

        public override bool IsResizeAllowed
        {
            get { return false; }
        }

        public override void Resize(Edge resizeEdge, float delta)
        {
            //We don't allow any resize for pictograms
        }

        #endregion

    }
}