namespace SJK.Functional;

public sealed class Right<TLeft, TRight> : IEither<TLeft, TRight>
{
  private readonly TRight _value;
  public Right(TRight value){
    this._value = value;
  }
    public (TLeft?, TRight?) Deconstruct()=>(default(TLeft),_value);
  public IEither<TNewLeft, TRight> MapLeft<TNewLeft>(Func<TLeft, TNewLeft> mapping)
  => new Right<TNewLeft,TRight>(this._value);

  public IEither<TLeft, TNewRight> MapRight<TNewRight>(Func<TRight, TNewRight> mapping)
  => new Right<TLeft,TNewRight>(mapping(this._value));

  public TLeft Reduce(Func<TRight, TLeft> mapping)=> mapping(this._value);
    public override string ToString()
    {
        return $"Right<{typeof(TRight).Name}> with Value {_value}";
    }

  public TResult Match<TResult>(Func<TLeft, TResult> left, Func<TRight, TResult> right)
  {
    return right(_value);
    }

  public void Match(Action<TLeft> left, Action<TRight> right)
  {
    right(_value);
    }

    public IEither<TLeft, T2> Bind< T2>(Func<TRight, IEither<TLeft, T2>> value)
    {
    return value(_value);
    }

  public bool IsRight() => false;
}