using MetroGauges.General;
using MetroGauges.Model;
using MetroGauges.ViewModel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace MetroGauges
{
    /// <summary>
    /// WpfPreview.xaml 的交互逻辑
    /// </summary>
    public partial class WpfPreview : Window
    {
        private PointCollection othCdPts;
        private PointCollection pgCdPts;
        private PointCollection revOthCdPts;
        private PointCollection revPgCdPts;
        public WpfPreview()
        {
            InitializeComponent();
        }
        public WpfPreview(DgViewModel<KineModel> k)
        {
            InitializeComponent();
            DrawScale();
            DrawScaleLabel();
            DrawKinePoint(k);
            DrawCurve();
            //DrawArrow();
            //chartCanvas.Children.Add(DrawPLGraph(vm));
        }
        public WpfPreview(DgViewModel<LiEquiModel> l)
        {
            InitializeComponent();
            DrawScale();
            DrawScaleLabel();
            DrawLiEquiPoint(l);
            DrawCurve();
            //DrawArrow();
            //chartCanvas.Children.Add(DrawPLGraph(vm));
        }
        public WpfPreview(DgViewModel<CurEquiModel> c)
        {
            InitializeComponent();
            DrawScale();
            DrawScaleLabel();
            DrawCurEquiPoint(c);
            DrawCurve();
            //DrawArrow();
            //chartCanvas.Children.Add(DrawPLGraph(vm));
        }
        private void WindowClose_Click(object sender, RoutedEventArgs e)
        {
            Close();
        }
        //private Polyline DrawPLGraph(DataViewModel vm)
        //{
        //    PointCollection ptCol = new PointCollection();
        //    for (int i = 0; i < vm.Items.Count; i++)
        //    {
        //        DataModel dm = vm.Items[i];
        //        if (true)
        //        {

        //        }
        //        System.Windows.Point pt = new System.Windows.Point(dm.X / 10, -dm.Y / 10);
        //        ptCol.Add(pt);
        //    }
        //    RotateTransform rotateTransform = new RotateTransform(0);
        //    TranslateTransform transTransform = new TranslateTransform(350, 550);
        //    TransformGroup group = new TransformGroup();
        //    group.Children.Add(transTransform);
        //    group.Children.Add(rotateTransform);
        //    Polyline pl = new Polyline()
        //    {
        //        Points = ptCol,
        //        StrokeThickness = 2,
        //        Stroke = new SolidColorBrush(Colors.Red),
        //        RenderTransformOrigin = new System.Windows.Point(0, 0),
        //        RenderTransform = group
        //    };

        //    //pl.RenderTransform = rotateTransform;
        //    //pl.RenderTransform = transTransform;
        //    return pl;
        //}
        /// <summary>
        /// 作出箭头
        /// </summary>
        //private void DrawArrow()
        //{
        //    Path x_axisArrow = new Path();//x轴箭头
        //    Path y_axisArrow = new Path();//y轴箭头

        //    x_axisArrow.Fill = new SolidColorBrush(Color.FromRgb(0xff, 0, 0));
        //    y_axisArrow.Fill = new SolidColorBrush(Color.FromRgb(0xff, 0, 0));

        //    PathFigure x_axisFigure = new PathFigure();
        //    x_axisFigure.IsClosed = true;
        //    x_axisFigure.StartPoint = new System.Windows.Point(480, 276);                          //路径的起点
        //    x_axisFigure.Segments.Add(new LineSegment(new System.Windows.Point(480, 284), false)); //第2个点
        //    x_axisFigure.Segments.Add(new LineSegment(new System.Windows.Point(490, 280), false)); //第3个点

        //    PathFigure y_axisFigure = new PathFigure();
        //    y_axisFigure.IsClosed = true;
        //    y_axisFigure.StartPoint = new System.Windows.Point(36, 30);                          //路径的起点
        //    y_axisFigure.Segments.Add(new LineSegment(new System.Windows.Point(44, 30), false)); //第2个点
        //    y_axisFigure.Segments.Add(new LineSegment(new System.Windows.Point(40, 20), false)); //第3个点

        //    PathGeometry x_axisGeometry = new PathGeometry();
        //    PathGeometry y_axisGeometry = new PathGeometry();

        //    x_axisGeometry.Figures.Add(x_axisFigure);
        //    y_axisGeometry.Figures.Add(y_axisFigure);

        //    x_axisArrow.Data = x_axisGeometry;
        //    y_axisArrow.Data = y_axisGeometry;

        //    this.chartCanvas.Children.Add(x_axisArrow);
        //    this.chartCanvas.Children.Add(y_axisArrow);
        //}
        /// <summary>
        /// 绘制点
        /// </summary>
        /// <param name="vm"></param>
        private void DrawKinePoint(DgViewModel<KineModel> vm)
        {

            othCdPts = new PointCollection();
            pgCdPts = new PointCollection();
            revOthCdPts = new PointCollection();
            revPgCdPts = new PointCollection();
            ObservableCollection<KineModel> dm = vm.Items;
          for (int i = 0; i < dm.Count; i++)
            {
                if (dm[i].Position == PositionI.Pantograph)
                {
                    pgCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revPgCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
                else
                {
                    othCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revOthCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
            }

            for (int i = 0; i < dm.Count; i++)
            {
                Ellipse dataEllipse = new Ellipse
                {
                    Fill = new SolidColorBrush(Color.FromRgb(28, 120, 135)),
                    Width = 8,
                    Height = 8,
                    ToolTip = dm[i].Name + "(" + dm[i].X + "," + dm[i].Y + ")",
                    //ToolTip = String.Format("{0}{1}{2}{3}{4}{5}", dm[i].Name, "(", dm[i].X, ",", dm[i].Y, ")")
                };
                Canvas.SetLeft(dataEllipse, 350 + dm[i].X / 10 - 4);//-4是为了补偿圆点的大小，到精确的位置
                Canvas.SetTop(dataEllipse, 550 - dm[i].Y / 10 - 4);

                chartCanvas.Children.Add(dataEllipse);
            }

            //else
            //{
            //    ObservableCollection<LiEquiModel> dm = ((LiEquiViewModel)vm).Items;
            //}

        }
        private void DrawLiEquiPoint(DgViewModel<LiEquiModel> vm)
        {

            othCdPts = new PointCollection();
            pgCdPts = new PointCollection();
            revOthCdPts = new PointCollection();
            revPgCdPts = new PointCollection();
            ObservableCollection<LiEquiModel> dm = vm.Items;
            for (int i = 0; i < dm.Count; i++)
            {
                if (dm[i].Position2 == PositionII.Pantograph)
                {
                    pgCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revPgCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
                else
                {
                    othCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revOthCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
            }

            for (int i = 0; i < dm.Count; i++)
            {
                Ellipse dataEllipse = new Ellipse
                {
                    Fill = new SolidColorBrush(Color.FromRgb(28, 120, 135)),
                    Width = 8,
                    Height = 8,
                    ToolTip = dm[i].Name + "(" + dm[i].X + "," + dm[i].Y + ")",
                    //ToolTip = String.Format("{0}{1}{2}{3}{4}{5}", dm[i].Name, "(", dm[i].X, ",", dm[i].Y, ")")
                };
                Canvas.SetLeft(dataEllipse, 350 + dm[i].X / 10 - 4);//-4是为了补偿圆点的大小，到精确的位置
                Canvas.SetTop(dataEllipse, 550 - dm[i].Y / 10 - 4);

                chartCanvas.Children.Add(dataEllipse);
            }

            //else
            //{
            //    ObservableCollection<LiEquiModel> dm = ((LiEquiViewModel)vm).Items;
            //}

        }

        private void DrawCurEquiPoint(DgViewModel<CurEquiModel> vm)
        {

            othCdPts = new PointCollection();
            pgCdPts = new PointCollection();
            revOthCdPts = new PointCollection();
            revPgCdPts = new PointCollection();
            ObservableCollection<CurEquiModel> dm = vm.Items;
            for (int i = 0; i < dm.Count; i++)
            {
                if (dm[i].Position == PositionI.Pantograph)
                {
                    pgCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revPgCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
                else
                {
                    othCdPts.Add(new System.Windows.Point(350 + dm[i].X / 10, 550 - dm[i].Y / 10));
                    revOthCdPts.Add(new System.Windows.Point(350 - dm[i].X / 10, 550 - dm[i].Y / 10));
                }
            }

            for (int i = 0; i < dm.Count; i++)
            {
                Ellipse dataEllipse = new Ellipse
                {
                    Fill = new SolidColorBrush(Color.FromRgb(28, 120, 135)),
                    Width = 8,
                    Height = 8,
                    ToolTip = dm[i].Name + "(" + dm[i].X + "," + dm[i].Y + ")",
                    //ToolTip = String.Format("{0}{1}{2}{3}{4}{5}", dm[i].Name, "(", dm[i].X, ",", dm[i].Y, ")")
                };
                Canvas.SetLeft(dataEllipse, 350 + dm[i].X / 10 - 4);//-4是为了补偿圆点的大小，到精确的位置
                Canvas.SetTop(dataEllipse, 550 - dm[i].Y / 10 - 4);

                chartCanvas.Children.Add(dataEllipse);
            }

            //else
            //{
            //    ObservableCollection<LiEquiModel> dm = ((LiEquiViewModel)vm).Items;
            //}

        }

        private void DrawPolyline(PointCollection ptcol, Brush brush)
        {
            Polyline pl = new Polyline
            {
                Stroke = brush,
                StrokeThickness = 2,
                Points = ptcol,
            };
            chartCanvas.Children.Add(pl);
        }
        /// <summary>
        /// 绘制曲线
        /// </summary>
        private void DrawCurve()
        {
            DrawPolyline(pgCdPts, Brushes.Blue);
            DrawPolyline(othCdPts, Brushes.Blue);
            DrawPolyline(revPgCdPts, Brushes.Blue);
            DrawPolyline(revOthCdPts, Brushes.Blue);
        }
        /// <summary>
        /// 作出x轴和y轴的标尺
        /// </summary>
        private void DrawScale()
        {
            for (int i = 0; i < 33; i += 1)//作480个刻度，因为当前x轴长 480px，每10px作一个小刻度，还预留了一些小空间
            {
                //原点 O=(350,550)
                Line x_scale = new Line
                {
                    StrokeEndLineCap = PenLineCap.Triangle,
                    StrokeThickness = 1,
                    Stroke = new SolidColorBrush(Color.FromRgb(0, 0, 0)),

                    X1 = 350 + i * 10   //原点x=10,每10px作1个刻度
                };
                x_scale.X2 = x_scale.X1;    //在x轴上的刻度线，起点和终点相同

                x_scale.Y1 = 550;           //与原点坐标的y=550，相同 
                if (i % 5 == 0)//每5个刻度添加一个大刻度
                {
                    x_scale.StrokeThickness = 3;//把刻度线加粗一点
                    x_scale.Y2 = x_scale.Y1 - 8;//刻度线长度为8px 
                }
                else
                {
                    x_scale.Y2 = x_scale.Y1 - 4;//刻度线长度为4px 
                }
                chartCanvas.Children.Add(x_scale);
            }

            for (int i = 0; i < 53; i += 1)//由于y轴短一些，所以在此作出判断，只作25个刻度
            {
                //作出Y轴的刻度
                Line y_scale = new Line
                {
                    StrokeEndLineCap = PenLineCap.Triangle,
                    StrokeThickness = 1,
                    Stroke = new SolidColorBrush(Color.FromRgb(0, 0, 0)),

                    X1 = 350            //原点x=350，在y轴上的刻度线的起点与原点相同
                };
                if (i % 5 == 0)
                {
                    y_scale.StrokeThickness = 3;
                    y_scale.X2 = y_scale.X1 + 8;//刻度线长度为4px 
                }
                else
                {
                    y_scale.X2 = y_scale.X1 + 4;//刻度线长度为8px 
                }
                y_scale.Y1 = 550 - i * 10;  //每10px作一个刻度 
                y_scale.Y2 = y_scale.Y1;    //起点和终点y坐标相同 
                chartCanvas.Children.Add(y_scale);
            }
        }
        /// <summary>
        /// 添加刻度标签
        /// </summary>
        private void DrawScaleLabel()
        {
            for (int i = 1; i < 7; i++)//7 个标签，一共
            {
                TextBlock x_ScaleLabel = new TextBlock
                {
                    Text = (i * 500).ToString()//只给大刻度添加标签，每50px添加一个标签
                };

                Canvas.SetLeft(x_ScaleLabel, 350 + 5 * 10 * i - 12);//350是原点的坐标，-12是为了让标签看的位置居中一些
                Canvas.SetTop(x_ScaleLabel, 550 + 2);//让标签字往下移一点

                this.chartCanvas.Children.Add(x_ScaleLabel);

            }
            for (int i = 1; i < 15; i++)
            {
                TextBlock y_ScaleLabel = new TextBlock
                {
                    Text = (i * 500).ToString()
                };
                Canvas.SetLeft(y_ScaleLabel, 350 - 35);              //-35px是字体大小的偏移
                Canvas.SetTop(y_ScaleLabel, 550 - 5 * 10 * i - 6);  //650px是原点的坐标，同样-6是为了让标签不要上坐标轴叠上
                this.chartCanvas.Children.Add(y_ScaleLabel);
            }
        }

        private void ChartCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            DragMove();
        }
    }
}