public Engine(IRender render, IStatisticFactory statisticFactory, IStatisticStorage statisticStorage)
{
if (render == null)
{
throw new ArgumentNullException("render");
}
if (statisticFactory == null)
{
throw new ArgumentNullException("statisticFactory");
}
if (statisticStorage == null)
{
throw new ArgumentNullException("statisticStorage");
}
this.Render = render;
this.StatisticFactory = statisticFactory;
this.StatisticStorage = statisticStorage;
this.State = new StartState(this);
this.CommandFactory = new CommandFactory(this);
this.Statistic = StatisticFactory.CreateStatistic();
}
public Command SetCommand(CommandFactory commandFactory)
{
Console.WriteLine();
Console.Write("Enter row and column: ");
string input = Console.ReadLine().Trim();
switch (input)
{
case "top":
return commandFactory.CreateShowStatistiCommand();
case "exit":
return commandFactory.CreateExitCommand();
case "restart":
return commandFactory.CreateRestartCommand();
}
if (input.Length != 3)
{
this.ShowInvalidMoveMessage();
return this.SetCommand(commandFactory);
}
if (input[1] != ' ')
{
this.ShowInvalidMoveMessage();
return this.SetCommand(commandFactory);
}
bool isSuccessParse;
int rowInput;
isSuccessParse = int.TryParse(input[0].ToString(), out rowInput);
if (!isSuccessParse)
{
this.ShowInvalidMoveMessage();
return this.SetCommand(commandFactory);
}
int columnInput;
isSuccessParse =int.TryParse(input[2].ToString(), out columnInput);
if (!isSuccessParse)
{
this.ShowInvalidMoveMessage();
return this.SetCommand(commandFactory);
}
return commandFactory.CreateMoveCommand(rowInput, columnInput);
}
