public void Validate(string key, IList <string> input)
{
bool isInputValid = false;
switch (key)
{
case ApplicationConstants.BattleAreaWidthAndHeight:
if (input.Count == 2)
{
if (!UInt16.TryParse(input[0], out ushort boardWidth))
{
break; //invalid width
}
if (!Regex.IsMatch(input[1], @"[a-zA-Z]"))
{
break; //invalid height
}
ushort boardHeight = (ushort)(input[1].FirstCharUpper() - 64);
//both width and height are parsed successfully, validate them by battleship logic
_battleshipBoard.Width = boardWidth;
_battleshipBoard.Height = boardHeight;
_battleshipBoard.HeightCharacter = input[1].FirstCharUpper();
isInputValid = true;
}
break;
case ApplicationConstants.NumberOfBattleship:
if (input.Count == 1)
{
if (UInt16.TryParse(input[0], out ushort numberOfBattleship))
{
//number parsed successfully, validate battleship logic
if ((numberOfBattleship <= _battleshipBoard.Width * _battleshipBoard.Height) && numberOfBattleship >= 1)
{
_battleshipBoard.CurrentInputShip = numberOfBattleship;
isInputValid = true;
}
}
}
break;
case ApplicationConstants.BattleshpWidthHeightAndCoordinatesForPlayer1Player2:
if (input.Count != 5)
{
break; //invalid input
}
Battleship player1Battleship = new Battleship();
#region Get Battleship type from input
if (input[0].Length != 1)
{
break; //invalid battleship type
}
if (string.Compare(input[0], "Q", true) == 0)
{
player1Battleship.Type = BattleshipType.TypeQ;
}
else if (string.Compare(input[0], "P", true) == 0)
{
player1Battleship.Type = BattleshipType.TypeP;
}
else
{
break; //invalid battleship type
}
#endregion Get Battleship type from input
#region Get Battleship Width and Height
if (!UInt16.TryParse(input[1], out ushort battleshipWidth))
{
break; //invalid width
}
else
{
//number parsed successfullly, validate battleship logic 1<= width of battleship <= Width of battle ship board
if (battleshipWidth <= _battleshipBoard.Width && battleshipWidth >= 1)
{
player1Battleship.Width = battleshipWidth;
}
else
{
break; //invalid battleship width
}
}
if (!UInt16.TryParse(input[2], out ushort battleshipHeight))
{
break; //invalid height
}
else
{
//number parsed successfullly, validate battleship logic 1<= height of battleship <= height of battle ship board
if (battleshipHeight <= _battleshipBoard.Height && battleshipHeight >= 1)
{
player1Battleship.Height = battleshipHeight;
}
else
{
break; //invalid battleship width
}
//since the requirement doc does not have a clarity, we are also keeping Height in Character too
player1Battleship.HeightCharacter = Convert.ToChar(battleshipHeight + 64);
}
#endregion Get Battleship Width and Height
#region Get Battleship Position for Player 1 and Player 2
#region Get X Coordinate Y Coordinate for Player 1
if (!IsXCoordinateValid(input[3]))
{
break; //invalid X Coordinate
}
player1Battleship.PositionX = (ushort)(input[3].FirstCharUpper() - 64);
if (!IsYCoordinateValid(input[3]))
{
break; //invalid Y Coordinate
}
if (UInt16.TryParse(input[3].Substring(1), out ushort shipYCoordinatePlayer1))
{
player1Battleship.PositionY = shipYCoordinatePlayer1;
}
//complete string for position for player1
player1Battleship.PositionString = input[3];
#endregion Get X Coordinate Y Coordinate for Player 1
//Player two battleship
var player2Battleship = (Battleship)player1Battleship.Clone();
#region Get X Coordinate Y Coordinate for Player 2
if (!IsXCoordinateValid(input[4]))
{
break; //invalid X Coordinate
}
player2Battleship.PositionX = (ushort)(input[4].FirstCharUpper() - 64);
if (!IsYCoordinateValid(input[4]))
{
break; //invalid Y Coordinate
}
if (UInt16.TryParse(input[4].Substring(1), out ushort shipYCoordinatePlayer2))
{
player2Battleship.PositionY = shipYCoordinatePlayer2;
}
//complete string for position for player2
player2Battleship.PositionString = input[4];
#endregion Get X Coordinate Y Coordinate for Player 2
#endregion Get Battleship Position for Player 1 and Player 2
//Add both players ship to Players Object
_battleshipBoard.Players[0].Battleships.Add(player1Battleship);
_battleshipBoard.Players[1].Battleships.Add(player2Battleship);
isInputValid = true;
break;
case ApplicationConstants.SequenceOfMissileTargetLocationPlayer1:
if (input.Count < 1)
{
break;
}
else
{
if (!IsTargetCoordinatesValid(input))
{
break;
}
_battleshipBoard.Players[0].TargetPositionString = input;
isInputValid = true;
}
break;
case ApplicationConstants.SequenceOfMissileTargetLocationPlayer2:
if (input.Count < 1)
{
break;
}
else
{
if (!IsTargetCoordinatesValid(input))
{
break;
}
_battleshipBoard.Players[1].TargetPositionString = input;
isInputValid = true;
}
break;
default:
isInputValid = false;
break;
}
;
OnInputValidated(key, input, isInputValid);
}