public string GetTcpCommand(Command command)
{
string tcpCommand = null;
switch (command.Cmd)
{
case Commands.Hello:
if (command.Parameters.Length > 0 && command.Parameters[0].Length > 0)
{
tcpCommand = $"{TcpCommandsDict[command.Cmd]} {string.Join(' ', command.Parameters)}";
}
else
{
throw new CantCreateCommandException($"Can't create tcp tcp command of command {command.Cmd}. Invalid parameters.");
}
break;
case Commands.Helo:
if (command.Parameters.Length > 0 && command.Parameters[0].Length > 0)
{
tcpCommand = $"{TcpCommandsDict[command.Cmd]} {string.Join(' ', command.Parameters)}";
}
else
{
throw new CantCreateCommandException($"Can't create tcp tcp command of command {command.Cmd}. Invalid parameters.");
}
break;
case Commands.Start:
if (command.Parameters == null)
{
tcpCommand = $"{TcpCommandsDict[command.Cmd]}";
}
else
{
throw new CantCreateCommandException($"Can't create tcp command of command {command.Cmd}. No parameter is allowed for this command.");
}
break;
case Commands.Fire:
if (command.Parameters.Length == 2 || command.Parameters.Length == 3)
{
string yCordinate = command.Parameters[0],
message = command.Parameters.Length > 2 ? string.Join(' ', command.Parameters.Skip(2).Take(command.Parameters.Length - 2).ToArray()) : null;
bool xCordIsValidNumber = int.TryParse(command.Parameters[1], out int xCordinate);
if (YcordinateDict.ContainsKey(yCordinate) && (xCordIsValidNumber && xCordinate >= 1 && xCordinate <= 10))
{
tcpCommand = $"{TcpCommandsDict[command.Cmd]} {yCordinate}{xCordinate}";
tcpCommand += message != null ? " " + message : "";
}
else
{
throw new CantCreateCommandException($"Can't create tcp command of command {command.Cmd}. Parameters for cordinates are invalid.");
}
}
else
{
throw new CantCreateCommandException($"Can't create tcp command of command {command.Cmd}. Number of parameters must be two or three.");
}
break;
case Commands.Quit:
tcpCommand = $"{TcpCommandsDict[command.Cmd]}";
break;
default:
throw new NotImplementedException($"Can't create tcp command. Command: {command.Cmd} is not implemented.");
}
return(tcpCommand);
}
public Command GetCommand(string tcpCommand)
{
var substrings = tcpCommand.Split(' ');
var key = substrings[0].ToUpper();
Command command = null;
if (CommandsDict.ContainsKey(key))
{
var commandEnum = CommandsDict[key];
switch (commandEnum)
{
case Commands.Hello:
if (substrings.Length > 1 && substrings[1].Length > 0)
{
command = new Command(commandEnum, substrings.Skip(1).Take(substrings.Length - 1).ToArray());
}
else
{
throw new CantCreateCommandException($"Can't create command of input string {tcpCommand}. Parameter for Name is invalid.");
}
break;
case Commands.Helo:
if (substrings.Length > 1 && substrings[1].Length > 0)
{
command = new Command(commandEnum, substrings.Skip(1).Take(substrings.Length - 1).ToArray());
}
else
{
throw new CantCreateCommandException($"Can't create command of input string {tcpCommand}. Parameter for Name is invalid.");
}
break;
case Commands.Start:
command = new Command(commandEnum, null);
break;
case Commands.Fire:
if (substrings.Length > 1)
{
string yCordinate = substrings[1].Substring(0, 1).ToUpper(), xCordinate = substrings[1].Substring(1);
bool xCordIsValidNumber = int.TryParse(xCordinate, out int xCordInt);
if (YcordinateDict.ContainsKey(yCordinate) && (xCordIsValidNumber && xCordInt >= 1 && xCordInt <= 10))
{
var parameters = new List <string>
{
yCordinate,
xCordinate
};
if (substrings.Length > 2)
{
parameters.AddRange(substrings.Skip(2).Take(substrings.Length - 2).ToList());
}
command = new Command(commandEnum, parameters.ToArray());
}
else
{
throw new CantCreateCommandException($"Can't create tcp command of command {command.Cmd}. Parameters for cordinates are invalid.");
}
}
else
{
throw new CantCreateCommandException($"Can't create command of input string {tcpCommand}. Must be at least one parameter for this command.");
}
break;
case Commands.Quit:
command = new Command(commandEnum, null);
break;
case Commands.Help:
command = new Command(commandEnum, null);
break;
default:
throw new NotImplementedException($"Can't create command. Command: {command.Cmd} is not implemented.");
}
return(command);
}
else
{
throw new CantCreateCommandException($"Can't create command of input string {tcpCommand}. Key: {key} doesn't exists.");
}
}
