using MuchInfo.Chart.Data;
using MuchInfo.Chart.Data.EnumTypes;
using MuchInfo.Chart.Infrastructure.Controls;
using MuchInfo.Chart.Infrastructure.Helpers;
using MuchInfo.Chart.Infrastructure.Utilities;
using MuchInfo.Chart.WPF.Controls.Editors;
using MuchInfo.Chart.WPF.Helpers;
using MuchInfo.Chart.WPF.Primitives.Interfaces;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Linq;

namespace MuchInfo.Chart.WPF.Primitives.Drawing
{
    public abstract class Drawing1PointBase : IDrawingTool
    {
        #region Fields

        protected object mAnchorByPercent;
        protected Color mColor;
        protected Rect mLastRect;
        protected ScaleLayer mLastScale;
        protected double mLastX1;
        protected double mLastY1;
        protected bool mSaveByPercent;
        protected DateTime P1Date;

        /// <summary>
        /// TheYVal
        /// </summary>
        protected float P1Val;
        protected double P1XPercent;
        protected double P1YPercent;
        protected DrawingSelectionArea SelectionArea;
        public Chart Chart { get; set; }

        private IDrawingToolSpec _drawingToolSpec;

        /// <summary>
        /// PlotOnAllSymbols
        /// </summary>
        private bool _plotOnAllSymbols;
        private double _lastX1;
        private double _lastY1;

        #endregion Fields

        #region Constructors

        protected Drawing1PointBase()
        {
            this.P1XPercent = 0.0;
            this.P1YPercent = 0.0;
            this.mSaveByPercent = false;
            this.mColor = Colors.Red;
            this._plotOnAllSymbols = false;
        }

        #endregion Constructors

        #region Properties

        #region Public Properties

        public Color Color
        {
            get
            {
                return this.mColor;
            }
            set
            {
                bool flag = !this.mColor.Equals(value);
                if (flag)
                {
                    this.mColor = value;
                    this.ColorChanged();
                    //this.PropertyChanged();
                }
            }
        }

        public IDrawingToolSpec OwnerSpec
        {
            get
            {
                return this._drawingToolSpec;
            }
            set
            {
                this._drawingToolSpec = value;
            }
        }

        public bool PlotOnAllSymbols
        {
            get
            {
                return this._plotOnAllSymbols;
            }
            set
            {
                bool flag = value != this._plotOnAllSymbols;
                if (flag)
                {
                    this._plotOnAllSymbols = value;
                    this.PropertyChanged();
                }
            }
        }

        public abstract string RootName
        {
            get;
        }

        public bool SaveByPercent
        {
            get
            {
                return this.mSaveByPercent;
            }
            set
            {
                bool flag = value != this.mSaveByPercent;
                if (flag)
                {
                    this.mSaveByPercent = value;
                    //this.PropertyChanged();
                }
            }
        }

        public float YValue
        {
            get
            {
                return this.P1Val;
            }
            set
            {
                bool flag = this.P1Val != value;
                if (flag)
                {
                    this.P1Val = value;
                    IDateScaler dateScaler = this.Chart.DateScaler;
                    this.mLastX1 = (double)dateScaler.XforDate(this.P1Date);
                    this.mLastY1 = (double)this.mLastScale.GetRightValueScaler().ScaledY(this.P1Val, this.mLastRect);
                    this.P1YPercent = (this.mLastY1 - this.mLastRect.Left) / this.mLastRect.Height;
                    this.MoveDrawingToNewLocations(this.mLastRect);
                    this.PropertyChanged();
                }
            }
        }

        #endregion Public Properties

        #region Internal Properties

        internal float TheYVal
        {
            get
            {
                return this.P1Val;
            }
            set
            {
                this.P1Val = value;
            }
        }

        #endregion Internal Properties

        #endregion Properties

        #region Indexers

        public Point this[int aIndex]
        {
            get
            {
                bool flag = aIndex == 0;
                Point result = new Point();
                if (flag)
                {
                    Point point = new Point(this.mLastX1, this.mLastY1);
                    result = point;
                }
                return result;
            }
            set
            {
                //加上左边纵坐标位移
                var offset = this.Chart.GetChartPanelOffset();

                DateTime p1Date = this.Chart.DateScaler.OriginalDateFromX((float)value.X + (float)offset);
                float p1Val = this.mLastScale.GetRightValueScaler().ValueFromPercent((float)(1.0 - value.Y / this.mLastRect.Height));
                bool flag = aIndex == 0;
                if (flag)
                {
                    this.P1Date = p1Date;
                    this.P1Val = p1Val;
                    this.mLastX1 = value.X;
                    this.mLastY1 = value.Y;
                    this.P1XPercent = (value.X + offset - this.mLastRect.Top) / this.mLastRect.Width;
                    this.P1YPercent = (value.Y - this.mLastRect.Left) / this.mLastRect.Height;
                    this.MoveDrawingToNewLocations(this.mLastRect);
                }
            }
        }

        #endregion Indexers

        #region Methods

        #region Public Methods

        public abstract string Abbreviation();

        public virtual List<ControlPair> AdditionalEditors()
        {
            List<ControlPair> result = null;
            return result;
        }

        public DateTime aP1Date()
        {
            return this.P1Date;
        }

        public float aP1Val()
        {
            return this.P1Val;
        }

        public float aP1XPercent()
        {
            return (float)this.P1XPercent;
        }

        public float aP1YPercent()
        {
            return (float)this.P1YPercent;
        }

        public abstract bool CanPlotOnAllSymbols();

        public abstract bool CanSaveByPercent();

        public abstract IDrawingTool Clone();

        public void Delete()
        {
            bool flag = this._drawingToolSpec != null;
            if (flag)
            {
                this._drawingToolSpec.DeleteTool();
            }
        }

        public abstract string Description();

        public void FromInfo(DrawingToolInfo info)
        {
            bool flag = info.P1Date.HasValue;
            if (flag)
            {
                this.P1Date = info.P1Date.Value;
            }
            flag = info.P1Val.HasValue;
            if (flag)
            {
                this.P1Val = info.P1Val.Value;
            }
            flag = info.Color1.HasValue;
            if (flag)
            {
                this.mColor = ColorHelper.ColorFromInt(info.Color1.Value);
            }
            flag = this.mSaveByPercent;
            //if (flag)
            //{
            //    IL_8B:
            flag = (info.P2Val.HasValue && info.P3Val.HasValue);
            if (flag)
            {
                this.mSaveByPercent = true;
                this.P1XPercent = (double)info.P2Val.Value;
                this.P1YPercent = (double)info.P3Val.Value;
            }
            else
            {
                this.mSaveByPercent = false;
            }
            this._plotOnAllSymbols = info.DrawOnAllSymbols;
            this.AddFromInfo(info);
            return;
            //}
            //goto IL_8B;
        }

        public void FromXml(XElement node)
        {
            var flag = node.Attribute("D1") != null;
            if (flag)
            {
                this.P1Date = new DateTime(long.Parse(node.Attribute("D1").Value));
            }
            flag = (node.Attribute("V1") != null);
            if (flag)
            {
                this.P1Val = XMLHelp.ParseSingle(node.Attribute("V1").Value);
            }
            flag = (node.Attribute("Clr") != null);
            if (flag)
            {
                this.mColor = ColorHelper.ColorFromString(node.Attribute("Clr").Value);
            }
            flag = (node.Attribute("ALS") != null);
            if (flag)
            {
                this._plotOnAllSymbols = bool.Parse(node.Attribute("ALS").Value);
            }
            this.AddFromXml(node);
        }

        public void GetDrawingInfo(DrawingToolInfo info)
        {
            info.P1Date = this.P1Date;
            info.P1Val = this.P1Val;
            info.Color1 = ColorHelper.ColorToInt(this.mColor);
            info.DrawOnAllSymbols = this._plotOnAllSymbols;
            bool flag = this.mSaveByPercent;
            if (flag)
            {
                info.P2Val = (float)this.P1XPercent;
                info.P3Val = (float)this.P1YPercent;
            }
            else
            {
                info.P2Val = default(float?);
                info.P3Val = default(float?);
            }
            this.AddToInfo(info);
        }

        public List<FrameworkElement> GetPlots(Chart owner, ScaleLayer aScale, Rect aRect, bool DrawHandles)
        {
            this.Chart = owner;
            this.mLastScale = aScale;
            this.mLastRect = aRect;
            bool flag = !ColorHelper.ColorIsContrasting(this.mColor, ColorHelper.GetBrushColor(owner.ChartBackground));
            if (flag)
            {
                this.mColor = ColorHelper.InverseColor(this.mColor);
            }
            var list = new List<FrameworkElement>();
            flag = this.IsTooSmallToShow(owner, aScale);
            List<FrameworkElement> result;
            if (flag)
            {
                result = list;
            }
            else
            {
                IDateScaler dateScaler = owner.DateScaler;
                flag = !this.mSaveByPercent;
                if (flag)
                {
                    this.mLastX1 = (double)dateScaler.XforDate(this.P1Date);
                    this.mLastY1 = (double)aScale.GetRightValueScaler().ScaledY(this.P1Val, aRect);
                    this.P1XPercent = (this.mLastX1 - this.mLastRect.Top) / this.mLastRect.Width;
                    this.P1YPercent = (this.mLastY1 - this.mLastRect.Left) / this.mLastRect.Height;
                }
                else
                {
                    this.mLastX1 = aRect.Left + aRect.Width * this.P1XPercent;
                    this.mLastY1 = aRect.Top + aRect.Height * this.P1YPercent;
                    DateTime p1Date = this.Chart.DateScaler.DateFromX((float)this.mLastX1);
                    float p1Val = this.mLastScale.GetRightValueScaler().ValueFromPercent((float)(1.0 - this.mLastY1 / this.mLastRect.Height));
                    this.P1Date = p1Date;
                    this.P1Val = p1Val;
                }
                bool arg_1E8_0;
                if (this.mLastX1 <= 30000.0 && this.mLastX1 >= -30000.0)
                {
                    if (this.mLastY1 <= 30000.0)
                    {
                        if (this.mLastY1 >= -30000.0)
                        {
                            arg_1E8_0 = false;
                            goto IL_1E8;
                        }
                    }
                }
                arg_1E8_0 = true;
            IL_1E8:
                flag = arg_1E8_0;
                if (flag)
                {
                    result = list;
                }
                else
                {
                    flag = (this.SelectionArea == null);
                    if (flag)
                    {
                        this.SelectionArea = new DrawingSelectionArea(this, owner);
                    }
                    list.AddRange(this.GetDrawingPlots(owner, aScale, aRect));
                    flag = (DrawHandles && this.ShowDragHandle());
                    if (flag)
                    {
                        list.AddRange(this.SelectionArea.GetControls());
                    }
                    result = list;
                }
            }
            return result;
        }

        public virtual List<ControlPair> GetPropertyEditors()
        {
            var list = new List<ControlPair>
            {
                new ControlPair
                {
                    ControlLeft =
                        new TextBlock {Text = LanguageManager.FindResource(LanguageConst.DrawingTool_Edit_Color)},
                    ControlRight = new ColorOpacityEditor(this, "Color", "", "")
                }
            };


            List<ControlPair> list2 = this.AdditionalEditors();
            bool flag = list2 != null;
            if (flag)
            {
                list.AddRange(list2);
            }

            //flag = this.CanPlotOnAllSymbols();
            //if (flag)
            //{
            //    list.Add(new ControlPair
            //    {
            //        ControlRight = new BooleanEditor(this, "PlotOnAllSymbols", "Draw on all Symbols")
            //    });
            //}
            flag = this.CanSaveByPercent();
            if (flag)
            {
                list.Add(new ControlPair()
                {
                    ControlLeft = new BooleanEditor(this, "SaveByPercent", LanguageManager.FindResource(LanguageConst.DrawingTool_Edit_SaveByPercent))
                });
            }
            return list;
        }

        public abstract ImageSource Icon();

        public void InitDone(MouseEventArgs e)
        {
        }

        public void InitPoint(DateTime aDate, float aVal, ScaleLayer aScale, Rect aRect, Point p)
        {
            this.mLastRect = aRect;
            this.mLastScale = aScale;
            this.P1Date = aDate;
            this.P1Val = aVal;
            this.P1XPercent = (p.X - this.mLastRect.Top) / this.mLastRect.Width;
            this.P1YPercent = (p.Y - this.mLastRect.Left) / this.mLastRect.Height;
        }

        public bool IsTooSmallToShow(Chart owner, ScaleLayer aScale, DrawingToolInfo Info)
        {
            return false;
        }

        public bool IsTooSmallToShow(Chart owner, ScaleLayer aScale)
        {
            return false;
        }

        public abstract string MenuDescription();

        public void MovePlot(Point initialPosition, Point currentPosition)
        {
            double num = currentPosition.X - initialPosition.X;
            double num2 = currentPosition.Y - initialPosition.Y;
            var value = new Point(this._lastX1 + num, this._lastY1 + num2);

            value.X = Math.Max(0, value.X);
            value.Y = Math.Max(0, value.Y);
            this[0] = value;
        }

        public void MovePlot(Point initialPosition, Point currentPosition, Point maxPoint)
        {
            double num = currentPosition.X - initialPosition.X;
            double num2 = currentPosition.Y - initialPosition.Y;
            var value = new Point(this._lastX1 + num, this._lastY1 + num2);
            value.X = Math.Max(0, value.X);
            value.X = Math.Min(maxPoint.X, value.X);
            value.Y = Math.Max(0, value.Y);
            value.Y = Math.Min(maxPoint.Y, value.Y);
            this[0] = value;
        }

        public void MoveSecondPoint(DateTime aDate, float aVal, Point p)
        {
            this.P1Date = aDate;
            this.P1Val = aVal;
            this.P1XPercent = (p.X - this.mLastRect.Top) / this.mLastRect.Width;
            this.P1YPercent = (p.Y - this.mLastRect.Left) / this.mLastRect.Height;
        }

        public void PrepareToMove()
        {
            this._lastX1 = this.mLastX1;
            this._lastY1 = this.mLastY1;
        }

        public void PropertyChanged()
        {
            bool flag = this._drawingToolSpec != null;
            if (flag)
            {
                this._drawingToolSpec.ToolChanged(this);
            }
        }

        public void ShowEditor(MouseEventArgs mouseargs)
        {
            bool flag = this.Chart == null;
            if (!flag)
            {
                var drawingToolEditor = new DrawingToolEditor(this);
                drawingToolEditor.Show(mouseargs);
            }
        }

        public abstract DrawingToolType ToolType();

        public XElement ToXml(List<object> args)
        {
            var xElement = new XElement(this.RootName);
            var flag = args == null || !args.Contains("SAVEDEF");
            if (flag)
            {
                xElement.Add(new XAttribute("D1", this.P1Date.Ticks.ToString()));
                xElement.Add(new XAttribute("V1", XMLHelp.NumToString(this.P1Val)));
            }
            xElement.Add(new XAttribute("Clr", this.mColor.ToString()));
            xElement.Add(new XAttribute("ALS", this._plotOnAllSymbols.ToString()));
            this.AddToXml(xElement, args);
            return xElement;
        }

        #endregion Public Methods

        #region Protected Methods

        protected virtual void AddFromInfo(DrawingToolInfo info)
        {
        }

        protected virtual void AddFromXml(XElement xml)
        {
        }

        protected virtual void AddToInfo(DrawingToolInfo info)
        {
        }

        protected virtual void AddToXml(XElement xml, List<object> args)
        {
        }

        protected abstract void ColorChanged();

        protected abstract List<FrameworkElement> GetDrawingPlots(Chart owner, ScaleLayer aScale, Rect aRect);

        protected abstract void MoveDrawingToNewLocations(Rect aRect);

        protected virtual bool ShowDragHandle()
        {
            return true;
        }

        public string GetXmlForDefault()
        {
            var list = new List<object> { "SAVEDEF" };
            return this.ToXml(list).ToString();
        }

        #endregion Protected Methods

        /// <summary>
        /// Gets the size of the chart font.
        /// </summary>
        /// <returns>System.Double.</returns>
        public double GetChartFontSize()
        {
            return (Chart == null) ? 12f : this.Chart.ChartFontSize;
        }

        #endregion Methods
    }
}