public string ExecuteCommand(string command, TimeHandler timeHandler, List <Product> productList, List <Campaign> campaignList, List <Order> orderList)
{
string commandResult = string.Empty;
char[] seperators = { ' ' };
List <string> cmdArr = command.Split(seperators).ToList().Where(x => !string.IsNullOrEmpty(x)).ToList();
string commandName = cmdArr[0]; // first parameter is always command name.. like create_product
if (commandName == "increase_time")
{
timeHandler.IncreaseTime(Convert.ToInt32(cmdArr[1]));
commandResult = string.Format("Time is {0}:00", timeHandler.Time.ToString().PadLeft(2, '0'));
}
else
{
cmdArr.RemoveAt(0); // the remaining array elements are parameters of the command
FactoryCreator CommandCreator = new FactoryCreator();
BaseCommands commandModel = CommandCreator.CommandFactory(commandName);
if (commandModel != null)
{
string checkResult = commandModel.CheckParameters(cmdArr, productList, campaignList, orderList);
if (string.IsNullOrEmpty(checkResult))
{
commandResult = commandModel.GetCommandResult(cmdArr, productList, campaignList, orderList, timeHandler);
}
else
{
commandResult = checkResult;
}
}
else
{
commandResult = "The command is not defined in the system";
}
}
return(commandResult);
}