/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api.Devices;
using Hermes;
using System;
using System.Text;

namespace VisionLight {
    /// <summary>
    /// [상시 조명 컨트롤러 - 12CH / 시리얼 통신]
    /// Range : (0,255) or (0,512)
    /// Baudrate : 19200 bps
    /// DataBit : 8 bit
    /// StopBit : 1 bit
    /// ParityBit : None
    /// </summary>
    internal class Light_TSM_P12RV2 : LightBase_Serial {
        public readonly string STX = "" + (char)0x2;
        public readonly string ETX = "" + (char)0x3;
        public readonly string CMD_ON = "ON";
        public readonly string CMD_OFF = "ON";          // Off여도 Cmd가 "ON"임에 주의
        public readonly string CMD_ALL_ON = "ALON";
        public readonly string CMD_ALL_OFF = "ALON";    // All Off여도 Cmd가 "ALON"임에 주의
        public readonly string CMD_LEVEL = "WR";
        public readonly string CMD_ALL_LEVEL = "ALWR";
        public readonly string CMD_READ_LEVEL = "RD";
        //public readonly string CMD_SAVE_LEVEL = "SV";

        public Light_TSM_P12RV2(string deviceId) : base(deviceId) {
        }

        #region Set On (Single or All)
        protected override eLightResult SetOnImpl(int channel) {
            lock (LockThis) {
                if (SendData_SetOn(channel) == E1.OK) {
                    return eLightResult.OK;
                }
                else {
                    return eLightResult.NG;
                }
            }
        }

        private int SendData_SetOn(int channel) {
            try {
                byte[] sendData = CreateSetOnReqMsg(channel);
                SerialConn.Write(sendData, sendData.Length);

                return E1.OK;
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }

            return E1.GENERIC;
        }

        private byte[] CreateSetOnReqMsg(int channel) {
            string msg = "";
            if (channel != -1) {
                // <STX>01ON1<ETX> (Single)
                msg = string.Format("{0}{1:00}{2}{3:D1}{4}", STX, channel, CMD_ON, 1, ETX);
            }
            else {
                // <STX>ALON1<ETX> (All)
                msg = string.Format("{0}{1}{2:D1}{3}", STX, CMD_ALL_ON, 1, ETX);
            }

            return Encoding.UTF8.GetBytes(msg);
        }
        #endregion

        #region Set Off (Single or All)
        protected override eLightResult SetOffImpl(int channel) {
            lock (LockThis) {
                if (SendData_SetOff(channel) == E1.OK) {
                    return eLightResult.OK;
                }
                else {
                    return eLightResult.NG;
                }
            }
        }

        private int SendData_SetOff(int channel) {
            try {
                byte[] sendData = CreateSetOffReqMsg(channel);
                SerialConn.Write(sendData, sendData.Length);

                return E1.OK;
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }

            return E1.GENERIC;
        }

        private byte[] CreateSetOffReqMsg(int channel) {
            string msg = "";
            if (channel != -1) {
                // <STX>01ON0<ETX> (Single)
                msg = string.Format("{0}{1:00}{2}{3:D1}{4}", STX, channel, CMD_OFF, 0, ETX);
            }
            else {
                // <STX>ALON0<ETX> (All)
                msg = string.Format("{0}{1}{2:D1}{3}", STX, CMD_ALL_OFF, 0, ETX);
            }

            return Encoding.UTF8.GetBytes(msg);
        }

        #endregion

        #region Get Level
        private int SendData_GetLevel(int channel) {
            try {
                // <STX>01RD120<ETX> (Single)
                string msg = string.Format("{0}{1:00}{2}{3}", STX, channel, CMD_READ_LEVEL, ETX);

                byte[] sendData = Encoding.UTF8.GetBytes(msg);
                SerialConn.Write(sendData, sendData.Length);    // READ 명령 이후에 값은 어떻게 받을 것인가?

                // TEST CODE
                byte[] readData = new byte[100];
                SerialConn.Read(readData);

                return E1.OK;
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }

            return E1.GENERIC;
        }
        #endregion

        #region Set Level (Single or All)
        protected override eLightResult SetLevelImpl(int level, int channel) {
            lock (LockThis) {
                if (SendData_SetLevel(level, channel) == E1.OK) {
                    return eLightResult.OK;
                }
                else {
                    return eLightResult.NG;
                }
            }
        }

        private int SendData_SetLevel(int level, int channel) {
            try {
                byte[] sendData = CreateSetLevelReqMsg(level, channel);
                SerialConn.Write(sendData, sendData.Length);

                return E1.OK;
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }

            return E1.GENERIC;
        }

        private byte[] CreateSetLevelReqMsg(int level, int channel) {
            string msg = "";
            if (channel != -1) {
                // <STX>01WR120<ETX> (Single)
                msg = string.Format("{0}{1:00}{2}{3:D3}{4}", STX, channel, CMD_LEVEL, level, ETX);
            }
            else {
                // <STX>ALWR120<ETX> (All)
                msg = string.Format("{0}{1}{2:D3}{3}", STX, CMD_ALL_LEVEL, level, ETX);
            }

            return Encoding.UTF8.GetBytes(msg);
        }
        #endregion
    }
}