using System;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Forms;

using Blynclight;
using Cyotek.Windows.Forms;
using System.Windows.Input;

namespace Tasklight.Controller
{
    public class MainWindowViewModel : ModelBase
    {
        #region Model Declaration
        private void CommandPlaceholder(object obj)
        {
            return;
        }

        private BlynclightController _lightController;
        private bool _lightConnected;
        private Visibility _connectVisible;
        private Visibility _commandsVisible;

        private int _red;
        private int _green;
        private int _blue;

        private ICommand _lightConnect;
        private ICommand _lightUpdate;
        private ICommand _lightReset;
        private ICommand _lightDisconnect;

        private ICommand _redSet;
        private ICommand _greenSet;
        private ICommand _blueSet;
        private ICommand _yellowSet;
        private ICommand _magentaSet;
        private ICommand _cyanSet;
        private ICommand _whiteSet;
        private ICommand _orangeSet;

        private ICommand _colorPick;

        private bool _flashEnabled;
        private bool _dimmed;
        private int _selectedFlashIndex;
        private List<string> _flashNames;

        public BlynclightController LightController
        {
            get { return _lightController; }
            set { SetProperty(ref _lightController, value, nameof(LightController)); }
        }
        public bool LightConnected
        {
            get { return _lightConnected; }
            set { SetProperty(ref _lightConnected, value, nameof(LightConnected)); }
        }
        public Visibility ConnectVisible
        {
            get { return _connectVisible; }
            set { SetProperty(ref _connectVisible, value, nameof(ConnectVisible)); }
        }
        public Visibility CommandsVisible
        {
            get { return _commandsVisible; }
            set { SetProperty(ref _commandsVisible, value, nameof(CommandsVisible)); }
        }

        public int Red
        {
            get { return _red; }
            set { SetProperty(ref _red, value, nameof(Red)); }
        }
        public int Green
        {
            get { return _green; }
            set { SetProperty(ref _green, value, nameof(Green)); }
        }
        public int Blue
        {
            get { return _blue; }
            set { SetProperty(ref _blue, value, nameof(Blue)); }
        }

        public ICommand LightConnect
        {
            get { return _lightConnect; }
            set { SetProperty(ref _lightConnect, value, nameof(LightConnect)); }
        }
        public ICommand LightUpdate
        {
            get { return _lightUpdate; }
            set { SetProperty(ref _lightUpdate, _lightUpdate, nameof(LightUpdate)); }
        }
        public ICommand LightReset
        {
            get { return _lightReset; }
            set { SetProperty(ref _lightReset, value, nameof(LightReset)); }
        }
        public ICommand LightDisconnect
        {
            get { return _lightDisconnect; }
            set { SetProperty(ref _lightDisconnect, value, nameof(LightDisconnect)); }
        }

        public ICommand RedSet
        {
            get { return _redSet; }
            set { SetProperty(ref _redSet, value, nameof(RedSet)); }
        }
        public ICommand GreenSet
        {
            get { return _greenSet; }
            set { SetProperty(ref _greenSet, value, nameof(GreenSet)); }
        }
        public ICommand BlueSet
        {
            get { return _blueSet; }
            set { SetProperty(ref _blueSet, value, nameof(BlueSet)); }
        }
        public ICommand YellowSet
        {
            get { return _yellowSet; }
            set { SetProperty(ref _yellowSet, value, nameof(YellowSet)); }
        }
        public ICommand MagentaSet
        {
            get { return _magentaSet; }
            set { SetProperty(ref _magentaSet, value, nameof(MagentaSet)); }
        }
        public ICommand CyanSet
        {
            get { return _cyanSet; }
            set { SetProperty(ref _cyanSet, value, nameof(CyanSet)); }
        }
        public ICommand WhiteSet
        {
            get { return _whiteSet; }
            set { SetProperty(ref _whiteSet, value, nameof(WhiteSet)); }
        }
        public ICommand OrangeSet
        {
            get { return _orangeSet; }
            set { SetProperty(ref _orangeSet, value, nameof(OrangeSet)); }
        }

        public ICommand ColorPick
        {
            get { return _colorPick; }
            set { SetProperty(ref _colorPick, value, nameof(ColorPick)); }
        }

        public bool FlashEnabled
        {
            get { return _flashEnabled; }
            set { SetProperty(ref _flashEnabled, value, nameof(FlashEnabled)); }
        }
        public bool Dimmed
        {
            get { return _dimmed; }
            set { SetProperty(ref _dimmed, value, nameof(Dimmed)); }
        }
        public int SelectedFlashIndex
        {
            get { return _selectedFlashIndex; }
            set { SetProperty(ref _selectedFlashIndex, value, nameof(SelectedFlashIndex)); }
        }
        public List<string> FlashNames
        {
            get { return _flashNames; }
            set { SetProperty(ref _flashNames, value, nameof(FlashNames)); }
        }
        #endregion

        public MainWindowViewModel()
        {
            PreInitializeCommands();
            InitializeVariables();
            InitializeCommands();
        }

        private void InitializeVariables()
        {
            LightController = new BlynclightController();
            LightConnected = false;
            ConnectVisible = Visibility.Visible;
            CommandsVisible = Visibility.Collapsed;
            Red = 0;
            Green = 0;
            Blue = 0;
            FlashEnabled = false;
            Dimmed = false;
            SelectedFlashIndex = -1;
            FlashNames = new List<string>();
            FlashNames.AddRange(new string[] { "Low", "Medium", "High", "Pulse" });
        }

        private void PreInitializeCommands()
        {
            _lightConnect = new RelayCommand(CommandPlaceholder);
            _lightUpdate = new RelayCommand(DoLightUpdate);
            _lightReset = new RelayCommand(DoResetLight);
            _lightDisconnect = new RelayCommand(DoDisconnectLight);

            _redSet = new RelayCommand(DoSetRed);
            _greenSet = new RelayCommand(DoSetGreen);
            _blueSet = new RelayCommand(DoSetBlue);
            _yellowSet = new RelayCommand(DoSetYellow);
            _magentaSet = new RelayCommand(DoSetMagenta);
            _cyanSet = new RelayCommand(DoSetCyan);
            _whiteSet = new RelayCommand(DoSetWhite);
            _orangeSet = new RelayCommand(DoSetOrange);
            _colorPick = new RelayCommand(DoPickColor);
        }

        private void InitializeCommands()
        {
            LightConnect = new RelayCommand(DoLightConnect);
            LightUpdate = new RelayCommand(DoLightUpdate);
            LightReset = new RelayCommand(DoResetLight);
            LightDisconnect = new RelayCommand(DoDisconnectLight);

            RedSet = new RelayCommand(DoSetRed);
            GreenSet = new RelayCommand(DoSetGreen);
            BlueSet = new RelayCommand(DoSetBlue);
            YellowSet = new RelayCommand(DoSetYellow);
            MagentaSet = new RelayCommand(DoSetMagenta);
            CyanSet = new RelayCommand(DoSetCyan);
            WhiteSet = new RelayCommand(DoSetWhite);
            OrangeSet = new RelayCommand(DoSetOrange);
            ColorPick = new RelayCommand(DoPickColor);
        }

        private void DoLightConnect(object obj)
        {
            int LightsConnected = LightController.InitBlyncDevices();
            if (LightsConnected > 0)
            {
                LightConnected = true;
                ConnectVisible = Visibility.Collapsed;
                CommandsVisible = Visibility.Visible;
            }
            else InitializeVariables();
        }

        private void DoLightUpdate(object obj)
        {
            LightController.TurnOnRGBLights(0, Convert.ToByte(Red), Convert.ToByte(Green), Convert.ToByte(Blue));

            if (Dimmed) LightController.SetLightDim(0);
            else LightController.ClearLightDim(0);

            if (FlashEnabled)
            {
                switch (FlashNames.ElementAt(SelectedFlashIndex))
                {
                    case "Low":
                        LightController.SelectLightFlashSpeed(0, 0x01);
                        break;
                    case "Medium":
                        LightController.SelectLightFlashSpeed(0, 0x02);
                        break;
                    case "High":
                        LightController.SelectLightFlashSpeed(0, 0x03);
                        break;
                    case "Pulse":
                        LightController.SelectLightFlashSpeed(0, 0x04);
                        break;
                }
                LightController.StartLightFlash(0);
            }
            else LightController.StopLightFlash(0);
        }

        private void DoResetLight(object obj)
        {
            LightController.ResetLight(0);
            Red = 0;
            Green = 0;
            Blue = 0;
            FlashEnabled = false;
            Dimmed = false;
            SelectedFlashIndex = -1;
        }

        private void DoDisconnectLight(object obj)
        {
            LightController.ResetLight(0);
            InitializeVariables();
        }

        private void DoSetRed(object obj)
        {
            Red = 255;
            Green = 0;
            Blue = 0;
            LightController.TurnOnRedLight(0);
        }

        private void DoSetGreen(object obj)
        {
            Red = 0;
            Green = 255;
            Blue = 0;
            LightController.TurnOnGreenLight(0);
        }

        private void DoSetBlue(object obj)
        {
            Red = 0;
            Green = 0;
            Blue = 255;
            LightController.TurnOnBlueLight(0);
        }

        private void DoSetYellow(object obj)
        {
            Red = 255;
            Green = 255;
            Blue = 0;
            LightController.TurnOnYellowLight(0);
        }

        private void DoSetMagenta(object obj)
        {
            Red = 255;
            Green = 0;
            Blue = 255;
            LightController.TurnOnMagentaLight(0);
        }

        private void DoSetCyan(object obj)
        {
            Red = 0;
            Green = 255;
            Blue = 255;
            LightController.TurnOnCyanLight(0);
        }

        private void DoSetWhite(object obj)
        {
            Red = 255;
            Green = 255;
            Blue = 255;
            LightController.TurnOnWhiteLight(0);
        }

        private void DoSetOrange(object obj)
        {
            Red = 255;
            Green = 165;
            Blue = 0;
            LightController.TurnOnOrangeLight(0);
        }

        private void DoPickColor(object obj)
        {
            ColorPickerDialog cpd = new ColorPickerDialog();
            cpd.Color = Color.FromArgb(Red, Green, Blue);
            cpd.ShowDialog();
            if (cpd.DialogResult == DialogResult.OK)
            {
                Red = cpd.Color.R;
                Green = cpd.Color.G;
                Blue = cpd.Color.B;
            }
            cpd.Dispose();
        }
    }
}