using static DecimalMath.DecimalEx;

namespace InnovEnergy.Lib.Units.Composite;


public record AcPhase : Phase
{
    protected AcPhase(Voltage voltage, Current current, Angle phi) : base(voltage, current)
    {
        if (voltage < 0) throw new ArgumentException("RMS value cannot be negative", nameof(voltage));
        if (current < 0) throw new ArgumentException("RMS value cannot be negative", nameof(current));
        
        Phi = phi;
    }

    public Angle Phi { get; }
    
    public Power   ApparentPower => Voltage * Current;
    public Power   ActivePower   => ApparentPower * PowerFactor;
    public Power   ReactivePower => ApparentPower * Sin(Phi);
    public Decimal PowerFactor   => Cos(Phi);
}