using Bro.Common.Model;
using System;
using System.Drawing;
using System.Windows;
using System.Windows.Media;

namespace Bro.Common.ImageCanvas.Shapes
{
    public class ComplexPointIndicator : ShapeElementBase
    {
        public ComplexPoint PointInfo { get; set; }

        public float Angle { get; set; }

        readonly int halfRectSize = 20;
        readonly int halfLength = 100;

        public override void SetNormalPen()
        {
            if (PointInfo.PlatPoint.IsAvailable)
            {
                Pen = new System.Windows.Media.Pen(new SolidColorBrush(Colors.Green), 3);
            }
            else
            {
                Pen = new System.Windows.Media.Pen(new SolidColorBrush(Colors.Red), 3);
            }
        }

        protected override void DrawShape(DrawingContext dc)
        {
            Text = $"{Index}  图像坐标:{PointInfo.ImagePoint.X},{PointInfo.ImagePoint.Y}\r\n机台坐标：{PointInfo.PlatPoint.X},{PointInfo.PlatPoint.Y}\r\n角度：{Angle}";
            dc.DrawText(new FormattedText(Text, System.Globalization.CultureInfo.CurrentCulture, FlowDirection.LeftToRight, Typeface, FontSize, Pen.Brush), new System.Windows.Point(PointInfo.ImagePoint.X + FontDistance, PointInfo.ImagePoint.Y - FontDistance));

            dc.PushTransform(new RotateTransform(0 - Angle, PointInfo.ImagePoint.X, PointInfo.ImagePoint.Y));

            dc.DrawRectangle(null, Pen, new Rect(PointInfo.ImagePoint.X - halfRectSize, PointInfo.ImagePoint.Y - halfRectSize, halfRectSize * 2, halfRectSize * 2));
            dc.DrawLine(Pen, new System.Windows.Point(PointInfo.ImagePoint.X, PointInfo.ImagePoint.Y - halfLength), new System.Windows.Point(PointInfo.ImagePoint.X, PointInfo.ImagePoint.Y + halfLength));
            dc.DrawLine(Pen, new System.Windows.Point(PointInfo.ImagePoint.X - halfLength, PointInfo.ImagePoint.Y), new System.Windows.Point(PointInfo.ImagePoint.X + halfLength, PointInfo.ImagePoint.Y));
        }

        public override void Draw(Graphics g)
        {
            throw new NotImplementedException();
        }

        protected override bool IsMouseInSide(System.Windows.Point point)
        {
            return Math.Sqrt(Math.Pow(PointInfo.ImagePoint.X - point.X, 2) + Math.Pow(PointInfo.ImagePoint.Y - point.Y, 2)) < halfLength;
        }

        protected override bool IsMouseHover(System.Windows.Point point)
        {
            return false;
        }
    }
}