public RobotResultModel Start(string input)
{
var commands = Helpers.Parser.Commands(input);
if (commands == null)
{
return(null);
}
/* !!!
* Need a new class for ForEach
* Param string[] commands
* Return Value RobotResultModel
*/
foreach (string item in commands)
{
if (string.IsNullOrEmpty(item))
{
continue;
}
string command = item;
/* Only specific comamnd (PLACE) */
if (
item.Length > 4 &&
string.Equals(item.Substring(0, 5), RobotCommand.Place.ToString(), StringComparison.OrdinalIgnoreCase)
)
{
command = item.Substring(0, 5);
}
/*
* Func checks each command if it is available, If needs a new command, just add new command to enum class
*/
RobotCommand CommandType;
if (Helpers.Validation.IsEnumerable <RobotCommand>(command) == null)
{
continue;
}
/* Set valid command type to variable */
CommandType = (RobotCommand)Helpers.Validation.IsEnumerable <RobotCommand>(command);
/* If command is "PLACE" */
if (CommandType == RobotCommand.Place)
{
var _ = Robot.PlaceParser(item);
if (!_)
{
return(null);
}
}
/* If command is "LEFT" */
if (CommandType == RobotCommand.Left)
{
var _ = Robot.ExecuteMovementCommand(new TurnLeftMovementCommand());
if (!_)
{
/* Custom Exception Management (ExecuteMovementCommand) */
}
}
/* If command is "RIGHT" */
if (CommandType == RobotCommand.Right)
{
var _ = Robot.ExecuteMovementCommand(new TurnRightMovementCommand());
if (!_)
{
/* Custom Exception Management (ExecuteMovementCommand) */
}
}
/* If command is "MOVE" */
if (CommandType == RobotCommand.Move)
{
var _ = Robot.ExecuteMovementCommand(new ForwardMovementCommand());
if (!_)
{
/* Custom Exception Management (ExecuteMovementCommand) */
}
}
/* Yell */
if (CommandType == RobotCommand.Report)
{
/*
* !!!
* Robot always yell now
*/
}
}
if (Robot != null && Robot.HasPosition())
{
return(new RobotResultModel(Robot.Position.CurrentX, Robot.Position.CurrentY, Robot.Position.CurrentDirection));
}
else
{
return(null);
}
}