using ACS.SPiiPlusNET;
using Aurora.Api;
using AuroraACS;
using AuroraDeviceCommon.Utils;
using Hermes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;

namespace AuroraIO.Vendor.ACS
{
    public class ACSIO : IOUnit
    {
        private readonly ACSDevice _core;
        private readonly IOUnitConfig _config;

        private CancellationTokenSource _cts;
        private int _failCount = 0;
        private object _LockInputObject = new object();
        private object _LockOutputObject = new object();

        public List<bool> InputBuffer { get; set; }
        public List<bool> OutputBuffer { get; set; }

        public ACSIO(Device dev, IOUnitConfig config) {
            _core = dev as ACSDevice;
            _config = config;

            InputBuffer = Enumerable.Repeat(false, _config.InputBoardCount * _config.BoardPortCount).ToList();
            OutputBuffer = Enumerable.Repeat(false, _config.OutputBoardCount * _config.BoardPortCount).ToList();
        }
        public override void ClearList()
        {

        }

        public override void Close()
        {

        }

        public override int GetAICount()
        {
            return 0;
        }

        public override int GetAOCount()
        {
            return 0;
        }

        public override int GetDoArray(ref bool[] array)
        {
            try {
                if (!_core.IsActivated)
                    return E2.ABORTED;

                string OutputIOName = _config.OutputIOName;
                var boardOutput = (int[])_core.ReadVariable(OutputIOName, ProgramBuffer.ACSC_NONE, 0, _config.OutputBoardCount - 1);

                lock (_LockOutputObject) {
                    for (int i = 0; i < ListDO.Count; i++)
                        OutputBuffer[i] = (boardOutput[ListDO[i].Index / _config.BoardPortCount] & 0x00000001 << (ListDO[i].Index % _config.BoardPortCount)) > 0;

                    array = OutputBuffer.ToArray();
                    return E1.OK;
                }

            } catch (ACSException ex) {
                Log.I(ex.Message);
                throw;
            }

            return 0;
        }

        public override int GetDICount()
        {
            return ListDI.Count;
        }

        public override int GetDiArray(ref bool[] array)
        {
            if (_config.IsDeviceSimul)
                return E1.OK;

            try {
                string InputIOName = _config.InputIOName;
                var boardInput = (int[])_core.ReadVariable(InputIOName, ProgramBuffer.ACSC_NONE, 0, _config.InputBoardCount - 1);

                lock (_LockInputObject) {
                    for (int i = 0; i < ListDI.Count; i++) {
                         InputBuffer[i] = (boardInput[ListDI[i].Index / _config.BoardPortCount] & 0x00000001 << (ListDI[i].Index % _config.BoardPortCount)) > 0;
                    }

                    array = InputBuffer.ToArray();
                    return E1.OK;
                }

            } catch (ACSException ex) {
                Log.I(ex.Message);
                return E2.ABORTED;
            }
        }

        public override int GetDOCount()
        {
            return ListDO.Count;
        }

        public override int Initialize()
        {
            return 0;
        }

        public override void Instance(string mappingFolder)
        {

        }

        public override bool IsConnected()
        {
            return _core.IsActivated;
        }

        public override int Open(string iP)
        {
            //InputBuffer = Enumerable.Repeat(false, _config.InputBoardCount * _config.BoardPortCount).ToList();
            //OutputBuffer = Enumerable.Repeat(false, _config.OutputBoardCount * _config.BoardPortCount).ToList();

            return _core.IsActivated ? E1.OK : E1.NETWORK;
        }

        public override int ReadDiBit(int index, ref bool bit)
        {
            bit = InputBuffer[index];
            return E1.OK;

            int ReturnValue;
            int ArrayIndex = index / _config.BoardPortCount;
            int BitIndex = index % _config.BoardPortCount;

            string InputIOName = _config.InputIOName;
            ReturnValue = (int)_core?.ReadVariable(InputIOName, ProgramBuffer.ACSC_NONE, ArrayIndex, ArrayIndex);
            bit = (ReturnValue & 0x00000001 << (BitIndex)) > 0;

            return E1.OK;
        }

        public override bool ReadDiBit(int index)
        {
            return InputBuffer[index];

            int ReturnValue;
            int ArrayIndex = index / _config.BoardPortCount;
            int BitIndex = index % _config.BoardPortCount;

            string InputIOName = _config.InputIOName;
            try {
                ReturnValue = (int)_core?.ReadVariable(InputIOName, ProgramBuffer.ACSC_NONE, ArrayIndex, ArrayIndex);
                return (ReturnValue & 0x00000001 << (BitIndex)) > 0;
            } catch (Exception) {
                return false;
            }

        }

        public override int ReadDoBit(int index, ref bool bit)
        {
            if (_config.IsDeviceSimul){
                bit = false;
                return E1.OK;
            }

            bit = OutputBuffer[index];
            return E1.OK;

            int ReturnValue;
            int ArrayIndex = index / _config.BoardPortCount;
            int BitIndex = index % _config.BoardPortCount;

            string OutputIOName = _config.OutputIOName;
            try {
                ReturnValue = (int)_core?.ReadVariable(OutputIOName, ProgramBuffer.ACSC_NONE, ArrayIndex, ArrayIndex);
                bit = (ReturnValue & 0x00000001 << (BitIndex)) > 0;
            } catch (Exception) {
                return E2.UNKNOWN;
            }

            return E1.OK;
        }

        public override bool ReadDoBit(int index)
        {
            if(_config.IsDeviceSimul)
                return false;

            return OutputBuffer[index];

            int ReturnValue;
            int ArrayIndex = index / _config.BoardPortCount;
            int BitIndex = index % _config.BoardPortCount;

            string OutputIOName = _config.InputIOName;
            try {
                ReturnValue = (int)_core?.ReadVariable(OutputIOName, ProgramBuffer.ACSC_NONE, ArrayIndex, ArrayIndex);
                var ret = (ReturnValue & 0x00000001 << (BitIndex)) > 0;
                return ret;
            } catch (Exception) {
                return false;
            }

        }

        public override int WriteDoBit(int index, bool bit)
        {
            if (_config.IsDeviceSimul) {
                return E1.OK;
            }

            int arrayIndex = index / _config.BoardPortCount;
            int bitIndex = index % _config.BoardPortCount;

            string outputIOName = _config.OutputIOName;

            try {
                int value = (int)_core?.ReadVariable(outputIOName, ProgramBuffer.ACSC_NONE, arrayIndex, arrayIndex);
                if (bit)
                    value |= (1 << bitIndex);   // 해당 비트를 1로 설정
                else
                    value &= ~(1 << bitIndex);  // 해당 비트를 0으로 설정

                if (!_core.WriteVariable(outputIOName, value, ProgramBuffer.ACSC_NONE, arrayIndex))
                    return E1.GENERIC;

                return E1.OK;
            } catch (ACSException ex) {
                Log.W(ex.Message);
                return E1.GENERIC;
            }
        }
    }
}