using Colore.Data;
using Colore.Effects.Keyboard;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;

namespace ChromaController
{
    internal class ChromaEffectsReader
    {
        public EffectRegion[] ReadFirstStatic(string filePath)
        {
            XDocument root = XDocument.Load(filePath);
            IEnumerable<XElement> effectLayers = root.Descendants("EffectLayer").Where(x => x.Descendants("Effect").First().Value == "static");
            return effectLayers.SelectMany(layer => layer.Descendants("EffectRegion").Select(region =>
                        {
                            return new EffectRegion(
                                GetKeys(region),
                                GetColor(region));
                        })).ToArray();
        }

        private Key[] GetKeys(XElement region)
        {
            IEnumerable<XElement> deviceCells = region.Descendants("DeviceCell");
            List<RazerKey> keys = new List<RazerKey>();
            foreach (XElement cell in deviceCells)
            {
                int row = Convert.ToInt32(cell.Descendants("Row").First().Value);
                int column = Convert.ToInt32(cell.Descendants("Col").First().Value);
                keys.Add((RazerKey)column + row * 256);
            }
            return keys.Select(razerKey => (Key)Enum.Parse(typeof(Key), razerKey.ToString())).ToArray();
        }

        private Color GetColor(XElement region)
        {
            XElement rzColor = region.Descendants("RzColor").First();
            int red = 0, green = 0, blue = 0;
            foreach (XElement element in rzColor.Descendants())
            {
                switch (element.Name.ToString())
                {
                    case "Red":
                        red = Convert.ToInt32(element.Value);
                        break;

                    case "Green":
                        green = Convert.ToInt32(element.Value);
                        break;

                    case "Blue":
                        blue = Convert.ToInt32(element.Value);
                        break;

                    default:
                        throw new ArgumentException("Argument value not expected", "element");
                }
            }
            return KeyEffect.GetColoreColor(red, green, blue);
        }
    }

    /// <summary>
    /// Definition of almost all keyboard keys, with id's matching the Razer Synapse Grid.
    /// Keys not present on the US-International are not tested, and so commented out. If you need these, just test where they should be using a known ChromaEffects map.
    /// </summary>
    internal enum RazerKey
    {
        Escape = 1,
        F1 = 4,
        F2 = 5,
        F3 = 6,
        F4 = 7,
        F5 = 8,
        F6 = 9,
        F7 = 10,
        F8 = 11,
        F9 = 12,
        F10 = 13,
        F11 = 14,
        F12 = 15,
        PrintScreen = 16,
        Scroll = 17,
        Pause = 18,

        //JpnYen = 21,
        //KorPipe = 21,

        Macro1 = 256,
        OemTilde = 257,
        D1 = 258,
        D2 = 259,
        D3 = 260,
        D4 = 261,
        D5 = 262,
        D6 = 263,
        D7 = 264,
        D8 = 265,
        D9 = 266,
        D0 = 267,
        OemMinus = 268,
        OemEquals = 269,
        Backspace = 270,
        Insert = 272,
        Home = 273,
        PageUp = 274,
        NumLock = 275,
        NumDivide = 276,
        NumMultiply = 277,
        NumSubtract = 278,
        Macro2 = 512,
        Tab = 513,
        Q = 514,
        W = 515,
        E = 516,
        R = 517,
        T = 518,
        Y = 519,
        U = 520,
        I = 521,
        O = 522,
        P = 523,
        OemLeftBracket = 524,
        OemRightBracket = 525,
        OemBackslash = 526,
        Delete = 528,
        End = 529,
        PageDown = 530,
        Num7 = 531,
        Num8 = 532,
        Num9 = 533,
        NumAdd = 534,
        Macro3 = 768,
        CapsLock = 770,
        A = 771,
        S = 772,
        D = 773,
        F = 774,
        G = 775,
        H = 776,
        J = 777,
        K = 778,
        L = 779,
        OemSemicolon = 780,
        OemApostrophe = 781,

        //EurPound = 782,
        //Kor2 = 782,

        Enter = 782,
        Num4 = 787,
        Num5 = 788,
        Num6 = 789,
        Macro4 = 1024,

        //EurBackslash = 1025,
        //Kor3 = 1025,

        LeftShift = 1026,
        Z = 1027,
        X = 1028,
        C = 1029,
        V = 1039,
        B = 1031,
        N = 1032,
        M = 1033,
        OemComma = 1034,
        OemPeriod = 1035,
        OemSlash = 1036,

        //JpnSlash = 1037,
        //Kor4 = 1037,

        RightShift = 1038,
        Up = 1041,
        Num1 = 1043,
        Num2 = 1044,
        Num3 = 1045,
        Macro5 = 1280,
        LeftControl = 1281,
        LeftWindows = 1282,
        LeftAlt = 1283,

        //Jpn3 = 1284,
        //Kor5 = 1284,

        Space = 1287,

        //Jpn4 = 1289,
        //Kor6 = 1289,
        //Jpn5 = 1290,
        //Kor7 = 1290,

        RightAlt = 1292,
        Function = 1293,
        RightMenu = 1294,
        RightControl = 1295,
        Left = 1296,
        Down = 1297,
        Right = 1298,
        Num0 = 1300,
        NumDecimal = 1301,
        NumEnter = 1302,
        Logo = 1548,
        Invalid = 65535
    }
}