namespace InnovEnergy.Lib.Units;

using T = Power;

public readonly struct Power
{
    public static String Unit   => "W";
    public static String Symbol => "P";
    
    public Decimal Value { get; }

    public Power(Decimal value) => Value = value;

    public override String ToString() => Value + Unit;
    
    
    // P=UI
    public static Voltage operator /(Power power, Current current) => new Voltage(power.Value / current.Value);
    public static Current operator /(Power power, Voltage voltage) => new Current(power.Value / voltage.Value);
    
    #region scalar multiplication

    public static T operator *(Decimal scalar, T t) => new T(scalar * t.Value);
    public static T operator *(T t, Decimal scalar) => new T(scalar * t.Value);
    public static T operator /(T t, Decimal scalar) => new T(t.Value / scalar);
    
    #endregion
    
    #region addition

    public static T operator +(T left, T right) => new T(left.Value + right.Value);
    public static T operator -(T left, T right) => new T(left.Value - right.Value);
    public static T operator -(T t) => new T(-t.Value);

    #endregion
    
    #region compare

    public static Boolean operator ==(T left, T right) => left.Value == right.Value;
    public static Boolean operator !=(T left, T right) => left.Value != right.Value;
    public static Boolean operator > (T left, T right) => left.Value > right.Value;
    public static Boolean operator < (T left, T right) => left.Value < right.Value;
    public static Boolean operator >=(T left, T right) => left.Value >= right.Value;
    public static Boolean operator <=(T left, T right) => left.Value <= right.Value;

    #endregion

    #region conversion

    public static implicit operator T(Decimal d) => new T(d);
    public static implicit operator T(Double d)  => new T((Decimal)d);
    public static implicit operator T(Int32 i)   => new T(i);
    public static implicit operator Decimal(T t) => t.Value;
    
    #endregion

    #region equality

    public Boolean Equals(T other) => Value == other.Value;
    public override Boolean Equals(Object? obj) => obj is T other && Equals(other);
    public override Int32 GetHashCode() => Value.GetHashCode();

    #endregion
    
}