using InnovEnergy.Lib.Protocols.Modbus.Reflection.Attributes;
using InnovEnergy.Lib.StatusApi.DeviceTypes;
using InnovEnergy.Lib.Units.Composite;
using static System.Math;


#pragma warning disable CS0649

namespace InnovEnergy.Lib.Devices.IEM3kGridMeter;

using Float32 = Single;


[AddressOffset(-2)] // why?
public class Iem3KGridMeterRegisters : IAc3Meter
{
    private const Float32 ZeroBecauseReactivePowerNotSupported = 0;

    // TODO
    
    [HoldingRegister<Float32>(3054)] private Float32 _ActivePowerL1;
    [HoldingRegister<Float32>(3056)] private Float32 _ActivePowerL2;
    [HoldingRegister<Float32>(3058)] private Float32 _ActivePowerL3;

    [HoldingRegister<Float32>(3000)] private Float32 _CurrentL1;
    [HoldingRegister<Float32>(3002)] private Float32 _CurrentL2;
    [HoldingRegister<Float32>(3004)] private Float32 _CurrentL3;
    
    [HoldingRegister<Float32>(3028)] private Float32 _VoltageL1N;
    [HoldingRegister<Float32>(3030)] private Float32 _VoltageL2N;
    [HoldingRegister<Float32>(3032)] private Float32 _VoltageL3N;
    
    [HoldingRegister<Float32>(3110)] private Float32 _Frequency;

    //[HoldingRegister<Float32>(9012)] private Float32 _ReactivePowerL1;
    //[HoldingRegister<Float32>(9014)] private Float32 _ReactivePowerL2;
    //[HoldingRegister<Float32>(9016)] private Float32 _ReactivePowerL3;

    //[HoldingRegister<Float32>(9012)] private Float32 _ReactivePowerL1;
    //[HoldingRegister<Float32>(9014)] private Float32 _ReactivePowerL2;
    //[HoldingRegister<Float32>(9016)] private Float32 _ReactivePowerL3;

    //[HoldingRegister<Float32>(9022)] private Float32 _ApparentPowerL1;
    //[HoldingRegister<Float32>(9024)] private Float32 _ApparentPowerL2;
    //[HoldingRegister<Float32>(9026)] private Float32 _ApparentPowerL3;

    
    public Ac3Bus Ac => new Ac3Bus
    {
        L1 = new ()
        {
            Current = Abs(_CurrentL1),
            Voltage = Abs(_VoltageL1N),
            Phi     = Atan2(ZeroBecauseReactivePowerNotSupported, _ActivePowerL1)
        },
        L2 = new ()
        {
            Current = Abs(_CurrentL2),
            Voltage = Abs(_VoltageL2N),
            Phi     = Atan2(ZeroBecauseReactivePowerNotSupported, _ActivePowerL2)
        },
        L3 = new ()
        {
            Current = Abs(_CurrentL3),
            Voltage = Abs(_VoltageL3N),
            Phi     = Atan2(ZeroBecauseReactivePowerNotSupported, _ActivePowerL3)
        },
        Frequency = _Frequency
    };
}