public static void Validate(MoveValidatorInput moveExceptionInput)
{
if (IsMoveOutOfBoundary(moveExceptionInput))
{
throw new ArgumentException("Move out of board boundary");
}
if (IsSquareOccupied(moveExceptionInput))
{
throw new ArgumentException("Square already occupied");
}
if (IsInvalidPlayer(moveExceptionInput))
{
throw new ArgumentException("Invalid player");
}
if (IsBoardDecided(moveExceptionInput))
{
throw new ArgumentException("Board is decided");
}
}
private static bool IsBoardDecided(MoveValidatorInput moveExceptionInput)
{
return(moveExceptionInput.Winner.Id != 0);
}
private static bool IsSquareOccupied(MoveValidatorInput moveExceptionInput)
{
return(moveExceptionInput.Board[moveExceptionInput.Move.RowNumber, moveExceptionInput.Move.ColNumber] != 0);
}
private static bool IsInvalidPlayer(MoveValidatorInput moveExceptionInput)
{
return(moveExceptionInput.Move.Player.Id != 0 && moveExceptionInput.Move.Player.Id != 1);
}
private static bool IsMoveOutOfBoundary(MoveValidatorInput moveExceptionInput)
{
return(moveExceptionInput.Move.RowNumber < 0 || moveExceptionInput.Move.ColNumber < 0 || moveExceptionInput.Move.RowNumber >= moveExceptionInput.BoardSize || moveExceptionInput.Move.ColNumber >= moveExceptionInput.BoardSize);
}