private List <string> FindSimilarCommand(string parameter)
{
List <string> similarCommands = new List <string>();
for (int i = 0; i < HelpCommandHandler.CommandsCount(); i++)
{
string command = HelpCommandHandler.GetCommandName(i);
if (LevenshteinDistance(parameter.ToUpperInvariant(), command.ToUpperInvariant()) <= SimilarCoefficient)
{
similarCommands.Add(command);
}
}
return(similarCommands);
}
private static void PrintMissedCommandInfo(string command)
{
const string similarCommandsMessage = "The most similar commands ";
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
var similarCommands = new List <string>();
foreach (var existCommand in HelpCommandHandler.GetListOfExistCommands())
{
if (LevenshteinDistance(command, existCommand) < 3)
{
similarCommands.Add(existCommand);
}
}
Console.WriteLine($"FileCabinetApp: '{command}' is not a FileCabinetApp command. See 'help'.");
Console.WriteLine();
if (similarCommands.Count == 1)
{
Console.Write(similarCommandsMessage);
Console.WriteLine("is");
}
else if (similarCommands.Count > 1)
{
Console.Write(similarCommandsMessage);
Console.WriteLine("are");
}
else
{
return;
}
similarCommands.ForEach(command => Console.WriteLine($"\t\t{command}"));
Console.WriteLine();
}