public RobotCommandType Run(IRobot robot, List <string> commandList)
{
if (commandList == null || commandList.Count == 0)
{
throw new ArgumentException(BlankCommandError);
}
if (!char.TryParse(commandList[0].ToUpper(), out var commandChar))
{
throw new ArgumentException(string.Format(CannotIdentityCommandError, commandList[0]));
}
if (!_robotCommandDictionary.ContainsKey((RobotCommandType)commandChar))
{
throw new ArgumentException(string.Format(CannotIdentityCommandError, commandChar));
}
var robotCommandType = (RobotCommandType)commandChar;
if (robotCommandType == RobotCommandType.Quit)
{
return(robotCommandType);
}
var robotCommandEventArgs = new RobotCommandEventArgs(robot, commandList);
_robotCommandDictionary[(RobotCommandType)commandChar].Execute(robotCommandEventArgs);
return(robotCommandType);
}
public override bool CanExecute(RobotCommandEventArgs robotCommandEventArgs)
{
if (robotCommandEventArgs.RobotCommandList.Count != 1 || robotCommandEventArgs.RobotCommandList[0].ToUpper() != "S")
{
throw new ArgumentException(String.Format("Reset command syntax not matched.{0}Syntax: S{0}Eg: S", Environment.NewLine));
}
return(true);
}
public override bool CanExecute(RobotCommandEventArgs robotCommandEventArgs)
{
if (robotCommandEventArgs.Robot == null)
{
throw new ArgumentException("Robot has not been initialized. Cannot send command to it.");
}
if (robotCommandEventArgs.RobotCommandList.Count != 1 || robotCommandEventArgs.RobotCommandList[0].ToUpper() != "R")
{
throw new ArgumentException(String.Format("Replay command syntax not matched.{0}Syntax: R{0}Eg: R", Environment.NewLine));
}
return(true);
}
public override bool CanExecute(RobotCommandEventArgs robotCommandEventArgs)
{
if (robotCommandEventArgs.Robot == null)
{
throw new ArgumentException("Robot has not been initialized. Cannot send command to it.");
}
if (robotCommandEventArgs.RobotCommandList.Count != 2 || robotCommandEventArgs.RobotCommandList[0].ToUpper() != "M" || !double.TryParse(robotCommandEventArgs.RobotCommandList[1], out var distance))
{
throw new ArgumentException(String.Format("Move command syntax not matched.{0}Syntax: M <Distance in Decimal number>{0}Eg: M 10.3", Environment.NewLine));
}
return(true);
}
protected override void InnerExecute(RobotCommandEventArgs robotCommandEventArgs)
{
var replayCommands = CommandRecorder.Replay();
foreach (var command in replayCommands)
{
try
{
_robotCommandHandler.Run(robotCommandEventArgs.Robot, command);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
protected override void InnerExecute(RobotCommandEventArgs robotCommandEventArgs)
{
var distance = double.Parse(robotCommandEventArgs.RobotCommandList[1]);
robotCommandEventArgs.Robot.Move(distance);
}
protected override void InnerExecute(RobotCommandEventArgs robotCommandEventArgs)
{
var angle = double.Parse(robotCommandEventArgs.RobotCommandList[1]);
robotCommandEventArgs.Robot.Turn(angle);
}
protected override void InnerExecute(RobotCommandEventArgs robotCommandEventArgs)
{
CommandRecorder.Reset();
}
public abstract bool CanExecute(RobotCommandEventArgs robotCommandEventArgs);
protected abstract void InnerExecute(RobotCommandEventArgs robotCommandEventArgs);
protected override void InnerExecute(RobotCommandEventArgs robotCommandEventArgs)
{
robotCommandEventArgs.Robot.Beep();
}
