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

namespace VisionLight {
    /// <summary>
    /// [스트로브 조명 컨트롤러 - 8CH / 시리얼 통신]
    /// Range : (0,4999) us
    /// Baudrate : 115200 bps
    /// DataBit : 8 bit
    /// StopBit : 1 bit
    /// ParityBit : None
    /// </summary>
    internal class Light_TSM_STM16C : LightBase_Serial {
        public static readonly string STX = "" + (char)0x2;
        public static readonly string ETX = "" + (char)0x3;
        public static readonly int PAGE = 1;

        public Light_TSM_STM16C(string deviceId) : base(deviceId) {
        }

        protected override eLightResult SetOnImpl(int channel) {
            SetLevelImpl(LastChLevels[channel], channel);
            return eLightResult.OK;
        }

        protected override eLightResult SetOffImpl(int channel) {
            SetLevelImpl(0, channel);
            return eLightResult.OK;
        }

        protected override eLightResult SetLevelImpl(int level, int channel) {
            try {
                lock (LockThis) {
                    ClearBuffer();
                    SendData_StrToByte(level, channel);

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

            return eLightResult.NG;
        }

        private void SendData_StrToByte(int level, int channel) {
            try {
                // Led Level Set (Level은 255로 고정, Strobe Time만 변경해서 사용)
                // STXWLI01255ETX  : STX/WRITE/LED/INTENSITY/채널_01~16/LEVEL_000~255/ETX
                //int intensity = (level * 255) / 4000;    // 000 ~ 255
                //string sendData = string.Format("{0}WLI{1:d2}{2:d3}{3}", " ", channel, intensity, " ");

                // Strobe Time Set
                // STXWFT0114000ETX  : STX/WRITE/FLASH/TIME/채널_01~16/PAGE_01/TIME_0000~4000/ETX
                string msg = string.Format("{0}WFT{1:d2}{2:d1}{3:d4}{4}", STX, channel, PAGE, level, ETX);
                byte[] sendData = Encoding.UTF8.GetBytes(msg);

                SerialConn.Write(sendData, sendData.Length);
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }
        }

        private void ClearBuffer() {
            try {
                // SerialPortDevice에 구현
                //if (_SerialPort.IsOpen) {
                //    _SerialPort.DiscardInBuffer();
                //    _SerialPort.DiscardOutBuffer();
                //}
            }
            catch (Exception e) {
                LOG.FuncE(e.Message);
            }
        }
    }
}