using System;
using System.Xml.Serialization;
using Config.Entities;
using TBF.Rig.Generic;

namespace TBF.Rig.Modbus.ConductivityMeter
{
    public enum ModbusReadFunction
    {
        ReadHoldingRegisters_03 = 3,
        ReadInputRegisters_04 = 4
    }

    public enum RawFormat
    {
        Counts16bit,
        Milliamps_x1000
    }

    public class ConductivityMeterCfg : ComponentCfgBase, Generic.IChildComponentCfg
    {
        public static XmlSerializer Serializer =
            XmlSerializer.FromTypes(new[] { typeof(ConductivityMeterCfg) })[0];

        public override XmlSerializer GetSerializer() { return Serializer; }

        public IComponentCfgCtrl GetControl(System.Collections.Generic.IList<Component> cmpntEntities)
        {
            return new ConductivityMeterCfgCtrl();
        }

        /// Modbus link (parent component is Common.Modbus)
        public string ParentName;                 // Modbus component name
        public byte ModbusAddress;                // 1..247
        public ModbusReadFunction ReadFunction;   // 03 or 04
        public ushort FirstRegister;              // start register address on AD4RS
        public ushort RegisterCount;              // 1..4 typically
        public bool EnablePolling;

        /// Which channel to use for conductivity value
        public int Channel;                       // 0..(RegisterCount-1)

        /// Raw format and scaling
        public RawFormat RawFormat;
        public double RawAt4mA;                   // used when RawFormat == Counts16bit
        public double RawAt20mA;                  // used when RawFormat == Counts16bit

        public double CondAt4mA;                  // e.g. 0 uS/cm
        public double CondAt20mA;                 // e.g. 2000 uS/cm

        public string MsrdUnit;                   // "uS/cm"
        public string MsrdFormat;                 // "{0:0}"
        public double MsrdValLimLo;
        public double MsrdValLimHi;

        public int FreshnessMs;

        ConductivityMeterCfg()
        {
            Name = "ConductivityMeter";
            ParentName = "Modbus";
            ModbusAddress = 50;

            ReadFunction = ModbusReadFunction.ReadInputRegisters_04;
            FirstRegister = 0;
            RegisterCount = 1;
            EnablePolling = true;

            Channel = 0;

            RawFormat = RawFormat.Counts16bit;
            RawAt4mA = 13107;
            RawAt20mA = 65535;

            CondAt4mA = 0;
            CondAt20mA = 2000;

            MsrdUnit = "uS/cm";
            MsrdFormat = "{0:0}";
            MsrdValLimLo = 0;
            MsrdValLimHi = 5000;

            FreshnessMs = 3000;
        }

        public ConductivityMeterCfg(IComponentFactory factory) : this()
        {
            this.Factory = factory;
        }

        public string ToString(int i)
        {
            return string.Format(
                "{0}: Parent={1}, Addr={2}, Fn={3}, Reg={4}, Cnt={5}, Ch={6}, RawFormat={7}, Cond={8}..{9} {10}",
                Name,
                string.IsNullOrEmpty(ParentName) ? "-" : ParentName,
                ModbusAddress,
                (int)ReadFunction,
                FirstRegister,
                RegisterCount,
                Channel,
                RawFormat,
                CondAt4mA,
                CondAt20mA,
                MsrdUnit);
        }
    }
}