using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace Tango.SharedUI.Converters
{
    public class EnumToItemsSourceConverter : IValueConverter
    {
        public class EnumValue
        {
            public Object Value { get; set; }
            public String DisplayName { get; setpre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using RealTimeGraphEx.Models;
using RealTimeGraphEx.DataSeries;
using RealTimeGraphEx.Controllers;
using System.Runtime.ExceptionServices;
using RealTimeGraphEx.DX2D;
using RealTimeGraphEx.FastGraphs;
using System.Windows.Controls;

namespace RealTimeGraphEx.DirectXGraphs
{
    /// <summary>
    /// Represents a real-time graph with a single scrollable line.
    /// </summary>
    public class RealTimeGraphExDirectXLineScroll : RealTimeGraphExBase
    {

        #region Protected Fields

        protected Direct2DControl dxGraph;
        protected ConcurrentpointsList graphPolygon;
        protected int updateCounter;

        #endregion

        #region Cross Thread Fields

        protected GraphController _graphController;
        protected int _maxPoints;
        protected double _scaleFactor;
        protected Brush _stroke;
        protected Brush _fill;
        protected bool _fillGraph;
        protected double _strokeWidth;

        #endregion

        #region Properties


        /// <summary>
        /// Gets or sets the graph fill color.
        /// </summary>
        public Brush Stroke
        {
            get { return (Brush)GetValue(StrokeProperty); }
            set { SetValue(StrokeProperty, value); }
        }
        public static readonly DependencyProperty StrokeProperty =
            DependencyProperty.Register("Stroke", typeof(Brush), typeof(RealTimeGraphExDirectXLineScroll), new PropertyMetadata(Brushes.Black, new PropertyChangedCallback(CrossModelChanged)));



        public double StrokeWidth
        {
            get { return (double)GetValue(StrokeWidthProperty); }
            set { SetValue(StrokeWidthProperty, value); }
        }
        public static readonly DependencyProperty StrokeWidthProperty =
            DependencyProperty.Register("StrokeWidth", typeof(double), typeof(RealTimeGraphExDirectXLineScroll), new PropertyMetadata(1.0, new PropertyChangedCallback(CrossModelChanged)));



        /// <summary>
        /// Gets or sets the graph fill color.
        /// </summary>
        public Brush Fill
        {
            get { return (Brush)GetValue(FillProperty); }
            set { SetValue(FillProperty, value); }
        }
        public static readonly DependencyProperty FillProperty =
            DependencyProperty.Register("Fill", typeof(Brush), typeof(RealTimeGraphExDirectXLineScroll), new PropertyMetadata(Brushes.Gray, new PropertyChangedCallback(CrossModelChanged)));

        /// <summary>
        /// Gets or sets whether the graph will be rendered using the Fill color property.
        /// </summary>
        public bool FillGraph
        {
            get { return (bool)GetValue(FillGraphProperty); }
            set { SetValue(FillGraphProperty, value); }
        }
        public static readonly DependencyProperty FillGraphProperty =
            DependencyProperty.Register("FillGraph", typeof(bool), typeof(RealTimeGraphExDirectXLineScroll), new PropertyMetadata(false, new PropertyChangedCallback(CrossModelChanged)));


        /// <summary>
        /// Gets or sets the IDataSeries used to push data vectorsCollection to the graph.
        /// </summary>
        public GraphController Controller
        {
            get { return (GraphController)GetValue(ControllerProperty); }
            set { SetValue(ControllerProperty, value); }
        }
        public static readonly DependencyProperty ControllerProperty =
            DependencyProperty.Register("Controller", typeof(GraphController), typeof(RealTimeGraphExDirectXLineScroll), new PropertyMetadata(null, new PropertyChangedCallback(GraphControllerChanged)));
        private static void GraphControllerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var control = d as RealTimeGraphExDirectXLineScroll;

            if (control.Controller != null)
            {
                control.Controller.RegisterMethods(control.ClearGraph, control.StartPushThread, control.SetPaused, control.ChangeRenderMode,null);
                control._graphController = control.Controller;
            }
        }

        #endregion

        #region Constructor

        public RealTimeGraphExDirectXLineScroll()
            : base()
        {
            graphPolygon = new ConcurrentpointsList();
        }

        #endregion

        #region Override Methods

        protected override void Initialize()
        {
            base.Initialize();

            dxGraph = new DXGraphSurfaceSingleScroll() { HorizontalAlignment = System.Windows.HorizontalAlignment.Left, VerticalAlignment = System.Windows.VerticalAlignment.Stretch };

            gridMain.Children.Remove(img);

            if (!gridMain.Children.Contains(dxGraph))
            {
                gridMain.Children.Add(dxGraph);
            }

            dxGraph.IsHitTestVisible = false;
            Grid.SetColumnSpan(dxGraph, 3);
        }

        protected override void OnSizeChanged(object sender, SizeChangedEventArgs e)
        {
            OnSetCrossThreadFields();
        }

        protected override void OnSetCrossThreadFields()
        {
            base.OnSetCrossThreadFields();

            this.Dispatcher.Invoke(() =>
            {
                _maxPoints = MaxPoints;
                _scaleFactor = _width / _maxPoints;
                _graphController = Controller;
                _stroke = Stroke;
                _fillGraph = FillGraph;
                _fill = Fill;
                _strokeWidth = StrokeWidth;

            }, DispatcherPriority.Send);
        }

        protected override void OnClearGraph()
        {
            base.OnClearGraph();
            _graphController.dataSeries.ClearPoints();
            graphPolygon.Clear();
        }

        protected override void OnZoomingComplete(Point transformOrigin, double scaleX, double scaleY)
        {
            base.OnZoomingComplete(transformOrigin, scaleX, scaleY);
        }

        protected override double ConvertYToImageY(double value)
        {
            double valuePrecentage = ((((value - (_minimum - (_strokeWidth / 2))) * 100) / (_maximum - (_minimum - (_strokeWidth / 2)))) * ((_height) - (_strokeWidth / 2))) / 100;
            return valuePrecentage;
        }

        protected override double ConvertYToImageYFliped(double value)
        {
            double valuePrecentage = ConvertYToImageY(value);
            valuePrecentage = (_height - (_strokeWidth / 2)) - valuePrecentage; //Flip
            return valuePrecentage;
        }

        protected internal override void OnRenderGraph()
        {
            if (_graphController != null && _graphController.dataSeries.Points != null && _graphController.dataSeries.Points.Count > 0 && _width > 1 && _height > 1)
            {
                var points = _graphController.dataSeries.Points.GetAndClearAllPoints();

                if (!_isPaused)
                {

                    for (int i = 0; i < points.Count; i++)
                    {
                        double value = points[i];
                        NormalizeValue(ref value);
                        graphPolygon.Add(value);
                    }

                    if (graphPolygon.Count > _maxPoints + 1)
                    {
                        graphPolygon.RemoveFromStart(graphPolygon.Count - (_maxPoints + 1));
                    }
                }
            }

            updateCounter++;

            if (updateCounter >= 1)
            {
                updateCounter = 0;

                if (!_disableRendering)
                {
                    OnDrawVisuals();
                }
            }
        }

        #endregion

        #region Virtual Methods

        /// <summary>
        /// Calculate the scaling factor for the current graph width.
        /// </summary>
        /// <returns></returns>
        protected virtual double GetPolygonScaleFactor()
        {
            return _width / (graphPolygon.Count - 1);
        }

        protected virtual void OnDrawVisuals()
        {
            if (graphPolygon.Count > 0)
            {
                Brush stroke = _graphController.dataSeries.stroke != null ? _graphController.dataSeries.stroke : _stroke;
                Brush fill = _graphController.dataSeries.fill != null ? _graphController.dataSeries.fill : _fill;
                (dxGraph as DXGraphSurfaceSingleScroll).SetProperties(
                    graphPolygon.ToDXPolygonPoints(_offSetX, _offSetY, GetPolygonScaleFactor(), ConvertYToImageYFliped),
                    _fillGraph ? graphPolygon.ToDXPolygonPointsFill(_offSetX, _offSetY, _mainWidth, _mainHeight, GetPolygonScaleFactor(),
                    ConvertYToImageYFliped) : null,
                    stroke,
                    _strokeWidth,
                    _fillGraph,
                    fill,
                    _antialiased);

                dxGraph.EnableRendering();
            }
        }

        #endregion
    }
}