public static void Main()
{
IPrinter printer = new StringBuilderPrinter();
ISanitizer sanitizer = new PhoneSanitizer();
while (true)
{
string currentCommand = Console.ReadLine();
if (currentCommand == "End" || currentCommand == null)
{
break;
}
int indexOfFirstOpeningBracket = currentCommand.IndexOf('(');
if (indexOfFirstOpeningBracket == -1)
{
throw new ArgumentException("Invalid command. It should have '(' for parameters!");
}
if (!currentCommand.EndsWith(")"))
{
throw new ArgumentException("Invalid command. It should have ')' for parameters!");
}
string commandName = currentCommand.Substring(0, indexOfFirstOpeningBracket);
string parameters = currentCommand.Substring(indexOfFirstOpeningBracket + 1, currentCommand.Length - indexOfFirstOpeningBracket - 2);
var strings = parameters.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(m => m.Trim()).ToList();
ICommand command;
if (commandName.StartsWith("AddPhone") && strings.Count >= 2)
{
command = new AddPhoneCommand(printer, repository, sanitizer);
}
else if (commandName == "ChangePhone" && strings.Count == 2)
{
command = new ChangePhoneCommand(printer, repository, sanitizer);
}
else if (commandName == "List" && strings.Count == 2)
{
command = new ListPhoneCommand(printer, repository);
}
else
{
throw new InvalidOperationException("Invalid command name!");
}
command.Execute(strings);
}
Console.Write(printer.GetAllText());
}
public ICommand CreateCommand(string commandName, string[] arguments)
{
ICommand command;
if (commandName.StartsWith("AddPhone") && (arguments.Length >= 2))
{
command = new AddPhoneCommand(arguments, this.sanitizer, this.phonebookDatabase, this.printer);
}
else if ((commandName == "ChangePhone") && (arguments.Length == 2))
{
command = new ChangePhoneCommand(arguments, this.sanitizer, this.phonebookDatabase, this.printer);
}
else if ((commandName == "List") && (arguments.Length == 2))
{
command = new ListCommand(arguments, this.phonebookDatabase, this.printer);
}
else
{
throw new ArgumentException();
}
return command;
}