using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Shapes;

namespace MetroGauges.Controls.DrawTools
{
    public class PolylineTool : DrawToolBase
    {

        Polyline currentline = new Polyline();
        PointCollection ps= new PointCollection();

        public PolylineTool(DesignControl canvas) : base(canvas)
        {
            IsStartDraw = true;
        }

        public override void MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (IsStartDraw)
            {
                
                Point mousePosition = Mouse.GetPosition(this.DrawDesign.canvasDesign);

                if (ps.Count == 0)
                {
                    ps.Add(mousePosition);
                    ps.Add(mousePosition);

                    currentline.Points = ps;
                    currentline.Stroke = new SolidColorBrush(Colors.White);
                    currentline.StrokeThickness = 1;
                    //
                    currentline.DataContext = new ShapDataContext() { IsClosed =false };

                    this.AddShap(currentline);

                    //currentline.Cursor = Cursors.Hand;
                    //this.CanvasDesign.Children.Add(currentline);
                    //this.DrawShaps.Add(currentline);
                }
                else
                {
                    ps.Add(mousePosition);
                }
            }
        }

        public override void Highlight(FrameworkElement shape)
        {
            this.DrawDesign.CrrentDrawTool = this;
            Polyline line = shape as Polyline;
            (shape.DataContext as ShapDataContext).OringLocation = line.Points;

            base.Highlight(shape);
            
        }

        public override void MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (IsStartDraw)
            {

            }
        }

        public override void MouseMove(object sender, MouseEventArgs e)
        {
            if (IsStartDraw)
            {
                if (ps.Count > 0)
                {
                    Point mousePosition = Mouse.GetPosition(this.DrawDesign.canvasDesign);

                    Point lastPoint = ps[ps.Count - 1];

                    lastPoint.X = mousePosition.X;
                    lastPoint.Y = mousePosition.Y;
                    ps[ps.Count - 1] = lastPoint;

                    currentline.Points = ps;

                }
                

            }
            
        }

        public override void MouseRightButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (Keyboard.IsKeyDown(Key.LeftCtrl))
            {
                
            }

            if (IsStartDraw)
            {
                IsStartDraw = false;
                ps.Remove(ps[ps.Count - 1]);
            }
        }

        public override void m_Root_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            
        }
    }
}