public string AlphabetBoardPath(string target)
{
char answerSymbol = '!';
int previousX = 0, previousY = 0;
StringBuilder stringBuilder = new StringBuilder();
char alphabetA = 'a';
_previousCoordinate.SetCoordinate(previousX, previousY);
_movingMan.SetPreviousAlphabetCoordinate(_previousCoordinate);
foreach (char alphabetNow in target)
{
// Get coordinate via ASCII table
int currentX = (alphabetNow - alphabetA) % 5;
int currentY = (alphabetNow - alphabetA) / 5;
_currentCoordinate.SetCoordinate(currentX, currentY);
_movingMan.SetCurrentAlphabetCoordinate(_currentCoordinate);
_movingMan.SetStringBuilder(stringBuilder);
if (currentX == previousX && currentY == previousY)
{
stringBuilder.Append(answerSymbol);
}
else
{
// Moving order is important
_movingMan.MoveUp()
.MoveRight()
.MoveLeft()
.MoveDown();
stringBuilder.Append(answerSymbol);
previousX = currentX;
previousY = currentY;
_previousCoordinate.SetCoordinate(previousX, previousY);
}
}
var output = _movingMan.GetDestinyOutPut();
//_log.LogInformation($"Solution output: {output}");
return(output);
}