/// <summary>
/// Method to split place operation and assign values to Robot model
/// </summary>
/// <param name="operation"></param>
/// <returns></returns>
private Common.Robot SplitOperationParameters(string operation)
{
var operationParameters = operation.Split(' ', ',');
if (operationParameters.Length != 4)
{
throw new CommandException($"Error command:{operation}");
}
var isValidXCoordinate = int.TryParse(operationParameters[1], out var x);
var isValidYCoordinate = int.TryParse(operationParameters[2], out var y);
if (!isValidXCoordinate || !isValidYCoordinate)
{
throw new CommandException($"Error command:{operation}");
}
var direction = operationParameters[3];
var tempRobotPosition = new Common.Robot
{
Coordinate = new Position <int>
{
X = x,
Y = y
},
Direction = Enum.Parse <FacingDirection>(direction, true)
};
return(tempRobotPosition);
}
public ToyOperations(ILogger <ToyOperations> logger, IRobotCommands robotCommands, IOptions <ToyRobotSettings> settings)
{
_logger = logger;
_robotCommands = robotCommands;
_settings = settings.Value;
_board = _settings.Board;
Robot = new Common.Robot
{
Coordinate = new Position <int>()
};
}
public void Place(string operation)
{
_logger.LogDebug($"Place operation:{operation}");
var robotPosition = SplitOperationParameters(operation);
if (!robotPosition.IsPlacementValid(_board))
{
return;
}
Robot = robotPosition;
IsToyPlaced = true;
}
/// <summary>
/// Method to execute move command
/// </summary>
/// <param name="robot"></param>
/// <param name="board"></param>
public void ExecuteMoveCommand(Common.Robot robot, TableTop board)
{
var tempRobot = new Common.Robot()
{
Coordinate = new Position <int>
{
X = robot.Coordinate.X,
Y = robot.Coordinate.Y
},
Direction = robot.Direction
};
switch (tempRobot.Direction)
{
case FacingDirection.North:
tempRobot.Coordinate.Y += 1;
break;
case FacingDirection.East:
tempRobot.Coordinate.X += 1;
break;
case FacingDirection.South:
tempRobot.Coordinate.Y -= 1;
break;
case FacingDirection.West:
tempRobot.Coordinate.X -= 1;
break;
default:
return;
}
if (!tempRobot.IsPlacementValid(board))
{
return;
}
robot.Coordinate.X = tempRobot.Coordinate.X;
robot.Coordinate.Y = tempRobot.Coordinate.Y;
robot.Direction = tempRobot.Direction;
}
/// <summary>
/// Method to turn the robot right by 90 degrees
/// </summary>
/// <param name="robot"></param>
public void ExecuteTurnRightCommand(Common.Robot robot)
{
switch (robot.Direction)
{
case FacingDirection.North:
robot.Direction = FacingDirection.East;
break;
case FacingDirection.East:
robot.Direction = FacingDirection.South;
break;
case FacingDirection.South:
robot.Direction = FacingDirection.West;
break;
case FacingDirection.West:
robot.Direction = FacingDirection.North;
break;
default:
return;
}
}
/// <summary>
/// Method to print the position and direction the robot is facing
/// </summary>
/// <param name="robot"></param>
/// <returns></returns>
public string ExecuteReportCommand(Common.Robot robot)
{
var report = $"{robot.Coordinate.X},{robot.Coordinate.Y},{robot.Direction.ToString()?.ToUpper()}";
return(report);
}
