using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WCS.Core;
using WCS.Entity;
using HslCommunication.Profinet.Siemens; 

namespace WCS.Service.PLCAccessors
{ 
    public class SiemensS7PLC : IPLCAccessor
    { 
        PLC.Siemens.O.SimenssPlc plc;
        public SiemensS7PLC(string ip,int port,int rack,int slot)
        {
            plc = new PLC.Siemens.O.SimenssPlc(ip, rack, slot);
            plc.Connect();          
        }
        public byte[] ReadBytes(ushort db, ushort address, ushort length)
        {
            if (!plc.Connected)
                plc.Connect();
            var res = plc.ReadArea(PLC.Siemens.Protocol.Common.AreaType.DB, db, address, length, PLC.Siemens.Protocol.Common.DataType.Byte);
            if (res == null)
                throw new Exception("读取DB块数据失败");
            return res.Data;
        }

        public void WriteBytes(ushort db, ushort address, byte[] data)
        {
            if (!plc.Connected)
                plc.Connect();
            var res = plc.WriteArea(PLC.Siemens.Protocol.Common.AreaType.DB, db, address, (ushort)data.Length, PLC.Siemens.Protocol.Common.DataType.Byte, data);
            if (!res)
                throw new Exception("写入DB块数据失败");
        }
    }

    public class SiemensS7PLCHsl : IPLCAccessor
    {
        SiemensS7Net plc;
        public SiemensS7PLCHsl(string ip)
        {
            plc = new SiemensS7Net(SiemensPLCS.S1500, ip);
            plc.ConnectTimeOut = 3000;
            //plc.ReceiveTimeOut = 500;
            plc.ConnectServer();

        }
        public byte[] ReadBytes(ushort db, ushort address, ushort length)
        {
            var addr = "DB" + db + "." + address;
            var res = plc.Read(addr, length);
            if (res.IsSuccess)
                return res.Content;
            throw new Exception("读取PLC数据失败:" + res.Message);
        }

        public void WriteBytes(ushort db, ushort address, byte[] data)
        {
            var start = db + address / 2;
            var res = plc.Write("D" + start, data);
            if (!res.IsSuccess)
                throw new Exception("写入PLC数据失败:" + res.Message);
        }
    }
}