using BatCharging.Model;

namespace BatCharging.Service.Encoder.New
{
    public class MsgPowerRegulateEncoder
    {
       

        public byte[] GetPowerRegulateMsg(byte[] destAddr, ushort expectePower)
        {

            byte[] result = null;

            APCI headAPCI = new APCI();
            headAPCI.StartChar = CmnChargerConst.APCI_START_CHAR;
            headAPCI.PackLen = 0;  //临时赋值为零,具体数值看下面的计算结果
            headAPCI.CtlArea = 0;  //控制域
            headAPCI.DestAddr = destAddr;//目的地址
            headAPCI.SrcAddr = 0;//源地址，本系统中，源地址统一为：00000000（即为0）



            ASDU headASDU = new ASDU();
            headASDU.FrameTypeNo = 45;   //帧类型号
            headASDU.MsgBodyCount = 1;   //信息体个数
            headASDU.TransReason = 3;    //传送原因
            headASDU.PublicAddr = 0;     //公共地址
            headASDU.MsgBodyAddr = new byte[] { 0, 0, 0 };  //信息体地址

            PowerRegulateData powerRegulateData = new PowerRegulateData();
            powerRegulateData.ExpectePower= expectePower;
            headASDU.MsgBodyContents = GetMsgContents(powerRegulateData);      //信息体

            headAPCI.PackLen = Convert.ToUInt16(24 + headASDU.MsgBodyContents.Length);  //报文长度

            List<byte> lstResult = MsgHeadApciEncoder.BuildBaseAPCI(headAPCI);
            lstResult.AddRange(MsgHeadAsduEncoder.BuildBaseASDU(headASDU).ToArray());

            result = lstResult.ToArray();

            return result;
        }

     
        private byte[] GetMsgContents(PowerRegulateData powerRegulateData)
        {
            byte[] results = null;
            if (powerRegulateData != null)
            {
                List<byte> lstContent = new List<byte>();
                lstContent.Add(powerRegulateData.RecordType);
                lstContent.AddRange(BitConverter.GetBytes(powerRegulateData.ExpectePower));
                results = lstContent.ToArray();
            }
            return results;
        }
        class PowerRegulateData
        {
            public byte RecordType { get; set; } = 5;

            //期望功率
            public ushort ExpectePower { get; set; }
        }

    }

}