public string ValidateInput(string inputCommands)
{
ToyRobotOutputViewModel outputModel = new ToyRobotOutputViewModel();
List <ToyRobotOutputModel> finalCoordinates = new List <ToyRobotOutputModel>();
ToyRobotControlModel controlModel = new ToyRobotControlModel();
string validationError = string.Empty;
string[] commandSeparator = new string[] { "PLACE" };
string[] inputs = inputCommands.Split(commandSeparator, StringSplitOptions.None);
string[] stringSeparators = new string[] { "\r\n" };
foreach (string commands in inputs)
{
ToyRobotInputModel inputModel = new ToyRobotInputModel();
if (!string.IsNullOrEmpty(commands))
{
var command = commands.Split(stringSeparators, StringSplitOptions.None);
if (command.Length > 1)
{
string[] startingCoordinate = command[0].Split(',');
if (startingCoordinate.Length > 2)
{
inputModel.Position.PositionX = Convert.ToInt32(startingCoordinate[0]);
inputModel.Position.PositionY = Convert.ToInt32(startingCoordinate[1]);
inputModel.Position.Heading = startingCoordinate[2];
}
for (int i = 1; i < command.Length; i++)
{
if (!string.IsNullOrEmpty(command[i]))
{
inputModel.InstructionSet.Add(command[i]);
}
}
}
else
{
validationError = "First ";
}
controlModel.RobotInputs.Add(inputModel);
}
}
if (!inputCommands.Contains("PLACE"))
{
validationError = "At least one PLACE command should be present";
}
if (!inputCommands.Contains("REPORT"))
{
validationError += Environment.NewLine + "At least one REPORT command should be present";
}
return(validationError);
}
public ActionResult Index(string robotInputModel)
{
ToyRobotOutputViewModel outputModel = new ToyRobotOutputViewModel();
List <ToyRobotOutputModel> finalCoordinates = new List <ToyRobotOutputModel>();
ToyRobotControlModel controlModel = new ToyRobotControlModel();
string[] commandSeparator = new string[] { "PLACE" };
string[] inputs = robotInputModel.Split(commandSeparator, StringSplitOptions.None);
string[] stringSeparators = new string[] { "\r\n" };
//Validates the inputs
outputModel.ErrorMessage = ValidateInput(robotInputModel);
if (string.IsNullOrEmpty(outputModel.ErrorMessage))
{
foreach (string commands in inputs)
{
ToyRobotInputModel inputModel = new ToyRobotInputModel();
if (!string.IsNullOrEmpty(commands))
{
var command = commands.Split(stringSeparators, StringSplitOptions.None);
if (command.Length > 1)
{
string[] startingCoordinate = command[0].Split(',');
if (startingCoordinate.Length > 2)
{
inputModel.Position.PositionX = Convert.ToInt32(startingCoordinate[0]);
inputModel.Position.PositionY = Convert.ToInt32(startingCoordinate[1]);
inputModel.Position.Heading = startingCoordinate[2];
}
for (int i = 1; i < command.Length; i++)
{
if (!string.IsNullOrEmpty(command[i]))
{
inputModel.InstructionSet.Add(command[i]);
}
}
}
controlModel.RobotInputs.Add(inputModel);
}
}
}
finalCoordinates = robotMovementServices.ExecuteRobotNavigation(controlModel);
outputModel.ToyRobotOutputs = finalCoordinates;
//outputModel.ErrorMessage = robotInputModel;
return(View(outputModel));
}
