public string GetUserInput(string userInput)
{
string message = string.Empty;
if (userInput.Length > 3 || userInput.Length == 1 || string.IsNullOrEmpty(userInput))
{
throw new ArgumentException();
}
string userInputX = userInput.Substring(0, Index).ToUpper();
char.TryParse(userInputX, out char x);
string userInputY = userInput.Substring(Index, userInput.Length - Index);
int.TryParse(userInputY, out int y);
if (!BattleshipExtensions.IsSegmentWithInGridRange(x, y))
{
throw new ArgumentException();
}
var segment = segmentation.GetSegment(x, y);
if (segment.Character == Miss || segment.Character == Hit)
{
return(CoordinateTriedMessage);
}
Coordinate coordinate = new Coordinate(x, y);
if (segment.Ship == null)
{
segment.IsEmpty = false;
segment.Character = Miss;
segmentation.UpdateSegment(coordinate, segment);
message = MissMessage;
playerStats.Miss++;
}
if (segment.Ship != null)
{
segment.IsEmpty = false;
segment.Character = Hit;
segment.Ship.ShipHit++;
segmentation.UpdateSegment(coordinate, segment);
message = HitMessage;
playerStats.Hit++;
if (segment.Ship.IsShipSunk)
{
playerStats.Sunk++;
message = SunkMessage;
}
}
return(message);
}