using System;
using System.Collections.Generic;

namespace TProduct.PumpGraph.Dxf
{
    public class AutoCadHelper
    {
        public class CurrentViewModel
        {
            public CurrentViewModel() { }
            public CurrentViewModel(int r, int g, int b, short colorIndex)
            {
                this.R = r;
                this.G = g;
                this.B = b;
                this.ColorIndex = colorIndex;
            }

            public int R { get; set; }
            public int G { get; set; }
            public int B { get; set; }
            public short ColorIndex { get; set; }
        }

        private static List<CurrentViewModel> _list = null;


        public static short RedColorIndex = 1;//红色
        public static short YellowColorIndex = 2;//黄色
        public static short GreenColorIndex = 3;//绿色
        public static short CyanColorIndex = 4;//青色
        public static short BlueColorIndex = 5;//蓝色
        public static short MagentaColorIndex = 6;//洋红
        public static short WhiteColorIndex = 7;//白色

        public static WW.Cad.Model.Entities.EntityColor GetColor(System.Drawing.Color color)
        {
            if (_list == null)
            {
                _list = new List<CurrentViewModel>();

                #region colorindex 18-248
                _list.Add(new CurrentViewModel(38, 0, 0, 18));
                _list.Add(new CurrentViewModel(38, 9, 0, 28));
                _list.Add(new CurrentViewModel(38, 19, 0, 38));
                _list.Add(new CurrentViewModel(38, 28, 0, 48));
                _list.Add(new CurrentViewModel(38, 38, 0, 58));
                _list.Add(new CurrentViewModel(28, 38, 0, 68));
                _list.Add(new CurrentViewModel(19, 38, 0, 78));
                _list.Add(new CurrentViewModel(9, 38, 0, 88));
                _list.Add(new CurrentViewModel(0, 38, 0, 98));
                _list.Add(new CurrentViewModel(0, 38, 9, 108));
                _list.Add(new CurrentViewModel(0, 38, 19, 118));
                _list.Add(new CurrentViewModel(0, 38, 28, 128));
                _list.Add(new CurrentViewModel(0, 38, 38, 138));
                _list.Add(new CurrentViewModel(0, 28, 38, 148));
                _list.Add(new CurrentViewModel(0, 19, 38, 158));
                _list.Add(new CurrentViewModel(0, 9, 38, 168));
                _list.Add(new CurrentViewModel(0, 0, 38, 178));
                _list.Add(new CurrentViewModel(9, 0, 38, 188));
                _list.Add(new CurrentViewModel(19, 0, 38, 198));
                _list.Add(new CurrentViewModel(28, 0, 38, 208));
                _list.Add(new CurrentViewModel(38, 0, 38, 218));
                _list.Add(new CurrentViewModel(38, 0, 28, 228));
                _list.Add(new CurrentViewModel(38, 0, 19, 238));
                _list.Add(new CurrentViewModel(38, 0, 9, 248));
                #endregion

                #region colorindex 19-249
                _list.Add(new CurrentViewModel(38, 19, 19, 19));
                _list.Add(new CurrentViewModel(38, 23, 19, 29));
                _list.Add(new CurrentViewModel(38, 28, 19, 39));
                _list.Add(new CurrentViewModel(38, 33, 19, 49));
                _list.Add(new CurrentViewModel(38, 38, 19, 59));
                _list.Add(new CurrentViewModel(33, 38, 19, 69));
                _list.Add(new CurrentViewModel(28, 38, 19, 79));
                _list.Add(new CurrentViewModel(23, 38, 19, 89));
                _list.Add(new CurrentViewModel(19, 38, 19, 99));
                _list.Add(new CurrentViewModel(19, 88, 23, 109));
                _list.Add(new CurrentViewModel(19, 88, 28, 119));
                _list.Add(new CurrentViewModel(19, 88, 88, 129));
                _list.Add(new CurrentViewModel(19, 88, 88, 139));
                _list.Add(new CurrentViewModel(19, 88, 88, 149));
                _list.Add(new CurrentViewModel(19, 28, 88, 159));
                _list.Add(new CurrentViewModel(19, 23, 88, 169));
                _list.Add(new CurrentViewModel(19, 19, 88, 179));
                _list.Add(new CurrentViewModel(23, 19, 88, 189));
                _list.Add(new CurrentViewModel(28, 19, 88, 199));
                _list.Add(new CurrentViewModel(88, 19, 88, 209));
                _list.Add(new CurrentViewModel(88, 19, 88, 219));
                _list.Add(new CurrentViewModel(88, 19, 88, 229));
                _list.Add(new CurrentViewModel(88, 19, 28, 239));
                _list.Add(new CurrentViewModel(88, 19, 23, 249));

                #endregion

                #region colorindex 16-246
                _list.Add(new CurrentViewModel(76, 0, 0, 16));
                _list.Add(new CurrentViewModel(76, 19, 0, 26));
                _list.Add(new CurrentViewModel(76, 38, 0, 36));
                _list.Add(new CurrentViewModel(76, 57, 0, 46));
                _list.Add(new CurrentViewModel(76, 76, 0, 56));
                _list.Add(new CurrentViewModel(57, 76, 0, 66));
                _list.Add(new CurrentViewModel(38, 76, 0, 76));
                _list.Add(new CurrentViewModel(19, 76, 0, 86));
                _list.Add(new CurrentViewModel(0, 76, 0, 96));
                _list.Add(new CurrentViewModel(0, 76, 19, 106));
                _list.Add(new CurrentViewModel(0, 76, 38, 116));
                _list.Add(new CurrentViewModel(0, 76, 57, 126));
                _list.Add(new CurrentViewModel(0, 76, 76, 136));
                _list.Add(new CurrentViewModel(0, 57, 76, 146));
                _list.Add(new CurrentViewModel(0, 38, 76, 156));
                _list.Add(new CurrentViewModel(0, 19, 76, 166));
                _list.Add(new CurrentViewModel(0, 0, 76, 176));
                _list.Add(new CurrentViewModel(19, 0, 76, 186));
                _list.Add(new CurrentViewModel(38, 0, 76, 196));
                _list.Add(new CurrentViewModel(57, 0, 76, 206));
                _list.Add(new CurrentViewModel(76, 0, 76, 216));
                _list.Add(new CurrentViewModel(76, 0, 57, 226));
                _list.Add(new CurrentViewModel(76, 0, 38, 236));
                _list.Add(new CurrentViewModel(76, 0, 19, 246));
                #endregion

                #region colorindex 17-247
                _list.Add(new CurrentViewModel(76, 38, 38, 17));
                _list.Add(new CurrentViewModel(76, 47, 38, 27));
                _list.Add(new CurrentViewModel(76, 57, 38, 37));
                _list.Add(new CurrentViewModel(76, 66, 38, 47));
                _list.Add(new CurrentViewModel(76, 76, 38, 57));
                _list.Add(new CurrentViewModel(66, 76, 38, 67));
                _list.Add(new CurrentViewModel(57, 76, 38, 77));
                _list.Add(new CurrentViewModel(47, 76, 38, 87));
                _list.Add(new CurrentViewModel(38, 76, 38, 97));
                _list.Add(new CurrentViewModel(38, 76, 47, 107));
                _list.Add(new CurrentViewModel(38, 76, 57, 117));
                _list.Add(new CurrentViewModel(38, 76, 66, 127));
                _list.Add(new CurrentViewModel(38, 76, 76, 137));
                _list.Add(new CurrentViewModel(38, 66, 126, 147));
                _list.Add(new CurrentViewModel(38, 57, 126, 157));
                _list.Add(new CurrentViewModel(38, 47, 126, 167));
                _list.Add(new CurrentViewModel(38, 38, 126, 177));
                _list.Add(new CurrentViewModel(47, 38, 126, 187));
                _list.Add(new CurrentViewModel(57, 38, 126, 197));
                _list.Add(new CurrentViewModel(66, 38, 126, 207));
                _list.Add(new CurrentViewModel(76, 38, 76, 217));
                _list.Add(new CurrentViewModel(76, 38, 66, 227));
                _list.Add(new CurrentViewModel(76, 38, 57, 237));
                _list.Add(new CurrentViewModel(76, 38, 47, 247));
                #endregion

                #region colorindex 14-244
                _list.Add(new CurrentViewModel(127, 0, 0, 14));
                _list.Add(new CurrentViewModel(127, 31, 0, 24));
                _list.Add(new CurrentViewModel(127, 63, 0, 34));
                _list.Add(new CurrentViewModel(127, 95, 0, 44));
                _list.Add(new CurrentViewModel(127, 127, 0, 54));
                _list.Add(new CurrentViewModel(95, 127, 0, 64));
                _list.Add(new CurrentViewModel(63, 127, 0, 74));
                _list.Add(new CurrentViewModel(31, 127, 0, 84));
                _list.Add(new CurrentViewModel(0, 127, 0, 94));
                _list.Add(new CurrentViewModel(0, 127, 31, 104));
                _list.Add(new CurrentViewModel(0, 127, 63, 114));
                _list.Add(new CurrentViewModel(0, 127, 95, 124));
                _list.Add(new CurrentViewModel(0, 127, 127, 134));
                _list.Add(new CurrentViewModel(0, 95, 127, 144));
                _list.Add(new CurrentViewModel(0, 63, 127, 154));
                _list.Add(new CurrentViewModel(0, 31, 127, 164));
                _list.Add(new CurrentViewModel(0, 0, 127, 174));
                _list.Add(new CurrentViewModel(31, 0, 127, 184));
                _list.Add(new CurrentViewModel(63, 0, 127, 194));
                _list.Add(new CurrentViewModel(95, 0, 127, 204));
                _list.Add(new CurrentViewModel(127, 0, 127, 214));
                _list.Add(new CurrentViewModel(127, 0, 95, 224));
                _list.Add(new CurrentViewModel(127, 0, 63, 234));
                _list.Add(new CurrentViewModel(127, 0, 31, 244));

                #endregion

                #region colorindex 15-245
                _list.Add(new CurrentViewModel(127, 63, 63, 15));
                _list.Add(new CurrentViewModel(127, 79, 63, 25));
                _list.Add(new CurrentViewModel(127, 95, 63, 35));
                _list.Add(new CurrentViewModel(127, 111, 63, 45));
                _list.Add(new CurrentViewModel(127, 127, 63, 55));
                _list.Add(new CurrentViewModel(111, 127, 63, 65));
                _list.Add(new CurrentViewModel(95, 127, 63, 75));
                _list.Add(new CurrentViewModel(79, 127, 63, 85));
                _list.Add(new CurrentViewModel(63, 127, 63, 95));
                _list.Add(new CurrentViewModel(63, 127, 79, 105));
                _list.Add(new CurrentViewModel(63, 127, 95, 115));
                _list.Add(new CurrentViewModel(63, 127, 111, 125));
                _list.Add(new CurrentViewModel(63, 127, 127, 135));
                _list.Add(new CurrentViewModel(63, 111, 127, 145));
                _list.Add(new CurrentViewModel(63, 95, 127, 155));
                _list.Add(new CurrentViewModel(63, 79, 127, 165));
                _list.Add(new CurrentViewModel(63, 63, 127, 175));
                _list.Add(new CurrentViewModel(79, 63, 127, 185));
                _list.Add(new CurrentViewModel(95, 63, 127, 195));
                _list.Add(new CurrentViewModel(111, 63, 127, 205));
                _list.Add(new CurrentViewModel(127, 63, 127, 215));
                _list.Add(new CurrentViewModel(127, 63, 111, 225));
                _list.Add(new CurrentViewModel(127, 63, 95, 235));
                _list.Add(new CurrentViewModel(127, 63, 79, 245));

                #endregion

                #region colorindex 10-240
                _list.Add(new CurrentViewModel(255, 0, 0, 10));
                _list.Add(new CurrentViewModel(255, 63, 0, 20));
                _list.Add(new CurrentViewModel(255, 127, 0, 30));
                _list.Add(new CurrentViewModel(255, 191, 0, 40));
                _list.Add(new CurrentViewModel(255, 255, 0, 50));
                _list.Add(new CurrentViewModel(191, 255, 0, 60));
                _list.Add(new CurrentViewModel(127, 255, 0, 70));
                _list.Add(new CurrentViewModel(63, 255, 0, 80));
                _list.Add(new CurrentViewModel(0, 255, 0, 90));
                _list.Add(new CurrentViewModel(0, 255, 63, 100));
                _list.Add(new CurrentViewModel(0, 255, 127, 110));
                _list.Add(new CurrentViewModel(0, 255, 191, 120));
                _list.Add(new CurrentViewModel(0, 255, 255, 130));
                _list.Add(new CurrentViewModel(0, 191, 255, 140));
                _list.Add(new CurrentViewModel(0, 127, 255, 150));
                _list.Add(new CurrentViewModel(0, 63, 255, 160));
                _list.Add(new CurrentViewModel(0, 0, 255, 170));
                _list.Add(new CurrentViewModel(63, 0, 255, 180));
                _list.Add(new CurrentViewModel(127, 0, 255, 190));
                _list.Add(new CurrentViewModel(191, 0, 255, 200));
                _list.Add(new CurrentViewModel(255, 0, 255, 210));
                _list.Add(new CurrentViewModel(255, 0, 191, 220));
                _list.Add(new CurrentViewModel(255, 0, 127, 230));
                _list.Add(new CurrentViewModel(255, 0, 63, 240));
                #endregion

                #region colorindex 11-241
                _list.Add(new CurrentViewModel(255, 127, 127, 11));
                _list.Add(new CurrentViewModel(255, 159, 127, 21));
                _list.Add(new CurrentViewModel(255, 191, 127, 31));
                _list.Add(new CurrentViewModel(255, 223, 127, 41));
                _list.Add(new CurrentViewModel(255, 255, 127, 51));
                _list.Add(new CurrentViewModel(223, 255, 127, 61));
                _list.Add(new CurrentViewModel(191, 255, 127, 71));
                _list.Add(new CurrentViewModel(159, 255, 127, 81));
                _list.Add(new CurrentViewModel(127, 255, 127, 91));
                _list.Add(new CurrentViewModel(101, 255, 159, 101));
                _list.Add(new CurrentViewModel(127, 255, 191, 111));
                _list.Add(new CurrentViewModel(127, 255, 223, 121));
                _list.Add(new CurrentViewModel(127, 255, 255, 131));
                _list.Add(new CurrentViewModel(127, 223, 255, 141));
                _list.Add(new CurrentViewModel(127, 191, 255, 151));
                _list.Add(new CurrentViewModel(127, 159, 255, 161));
                _list.Add(new CurrentViewModel(127, 127, 255, 171));
                _list.Add(new CurrentViewModel(159, 127, 255, 181));
                _list.Add(new CurrentViewModel(191, 127, 255, 191));
                _list.Add(new CurrentViewModel(223, 127, 255, 201));
                _list.Add(new CurrentViewModel(255, 127, 255, 211));
                _list.Add(new CurrentViewModel(255, 127, 223, 221));
                _list.Add(new CurrentViewModel(255, 127, 191, 231));
                _list.Add(new CurrentViewModel(255, 127, 159, 241));
                #endregion

                #region colorindex 12-242
                _list.Add(new CurrentViewModel(165, 0, 0, 12));
                _list.Add(new CurrentViewModel(165, 41, 0, 22));
                _list.Add(new CurrentViewModel(165, 82, 0, 32));
                _list.Add(new CurrentViewModel(165, 124, 0, 42));
                _list.Add(new CurrentViewModel(165, 165, 0, 52));
                _list.Add(new CurrentViewModel(124, 165, 0, 62));
                _list.Add(new CurrentViewModel(82, 165, 0, 72));
                _list.Add(new CurrentViewModel(41, 165, 0, 82));
                _list.Add(new CurrentViewModel(0, 165, 0, 92));
                _list.Add(new CurrentViewModel(0, 165, 41, 102));
                _list.Add(new CurrentViewModel(0, 165, 82, 112));
                _list.Add(new CurrentViewModel(0, 165, 124, 122));
                _list.Add(new CurrentViewModel(0, 165, 165, 132));
                _list.Add(new CurrentViewModel(0, 124, 165, 142));
                _list.Add(new CurrentViewModel(0, 82, 165, 152));
                _list.Add(new CurrentViewModel(0, 41, 165, 162));
                _list.Add(new CurrentViewModel(0, 0, 165, 172));
                _list.Add(new CurrentViewModel(41, 0, 165, 182));
                _list.Add(new CurrentViewModel(82, 0, 165, 192));
                _list.Add(new CurrentViewModel(124, 0, 165, 202));
                _list.Add(new CurrentViewModel(165, 0, 165, 212));
                _list.Add(new CurrentViewModel(165, 0, 124, 222));
                _list.Add(new CurrentViewModel(165, 0, 82, 232));
                _list.Add(new CurrentViewModel(165, 0, 41, 242));
                #endregion

                #region colorindex 13-243
                _list.Add(new CurrentViewModel(165, 82, 82, 13));
                _list.Add(new CurrentViewModel(165, 103, 82, 23));
                _list.Add(new CurrentViewModel(165, 124, 82, 33));
                _list.Add(new CurrentViewModel(165, 145, 82, 43));
                _list.Add(new CurrentViewModel(165, 165, 82, 53));
                _list.Add(new CurrentViewModel(145, 165, 82, 63));
                _list.Add(new CurrentViewModel(124, 165, 82, 73));
                _list.Add(new CurrentViewModel(103, 165, 82, 83));
                _list.Add(new CurrentViewModel(82, 165, 82, 93));
                _list.Add(new CurrentViewModel(82, 165, 103, 103));
                _list.Add(new CurrentViewModel(82, 165, 124, 113));
                _list.Add(new CurrentViewModel(82, 165, 145, 123));
                _list.Add(new CurrentViewModel(82, 165, 165, 133));
                _list.Add(new CurrentViewModel(82, 145, 165, 143));
                _list.Add(new CurrentViewModel(82, 124, 165, 153));
                _list.Add(new CurrentViewModel(82, 103, 165, 163));
                _list.Add(new CurrentViewModel(82, 82, 165, 173));
                _list.Add(new CurrentViewModel(103, 82, 165, 183));
                _list.Add(new CurrentViewModel(124, 82, 165, 193));
                _list.Add(new CurrentViewModel(145, 82, 165, 203));
                _list.Add(new CurrentViewModel(165, 82, 165, 213));
                _list.Add(new CurrentViewModel(165, 82, 145, 223));
                _list.Add(new CurrentViewModel(165, 82, 124, 233));
                _list.Add(new CurrentViewModel(165, 82, 103, 243));
                #endregion
            }



            if (color.R == 255 && color.G == 255 && color.B == 255)
            {
                WW.Cad.Model.Color white_color = WW.Cad.Model.Color.CreateFromColorIndex(7);//CreateFromRgb(255, 255, 255);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(white_color);
            }


            foreach (var item in _list)
            {
                if (color.R == item.R && color.G == item.G && color.B == item.B)
                {
                    WW.Cad.Model.Color colors = WW.Cad.Model.Color.CreateFromColorIndex(item.ColorIndex);
                    return WW.Cad.Model.Entities.EntityColor.CreateFrom(colors);
                }
            }

            var min_dis = int.MaxValue;
            short min_index = 0;
            foreach (var item in _list)
            {
                int dis = Math.Abs(color.R - item.R) + Math.Abs(color.G - item.G) + Math.Abs(color.B - item.B);
                if (dis < min_dis)
                {
                    min_dis = dis;
                    min_index = item.ColorIndex;
                }
            }

            WW.Cad.Model.Color min_colors = WW.Cad.Model.Color.CreateFromColorIndex(min_index);
            return WW.Cad.Model.Entities.EntityColor.CreateFrom(min_colors);
        }

        public static WW.Cad.Model.Entities.EntityColor GetColor(int r, int g, int b)
        {
            System.Drawing.Color color = System.Drawing.Color.FromArgb(r, g, b);
            return GetColor(color);
        }
        public static WW.Cad.Model.Entities.EntityColor GetColor(short index)
        {
            WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(index);
            return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
        }

        public static WW.Cad.Model.Entities.EntityColor WhiteColor
        {
            get
            {
                WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(WhiteColorIndex);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
            }
        }

        public static WW.Cad.Model.Entities.EntityColor BlueColor
        {
            get
            {
                WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(BlueColorIndex);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
            }
        }

        public static WW.Cad.Model.Entities.EntityColor GreenColor
        {
            get
            {
                WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(GreenColorIndex);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
            }
        }

        public static WW.Cad.Model.Entities.EntityColor YellowColor
        {
            get
            {
                WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(YellowColorIndex);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
            }
        }
        public static WW.Cad.Model.Entities.EntityColor MagentaColor
        {
            get
            {
                WW.Cad.Model.Color color = WW.Cad.Model.Color.CreateFromColorIndex(MagentaColorIndex);
                return WW.Cad.Model.Entities.EntityColor.CreateFrom(color);
            }
        }

    }
}