/* Get the filename to use for a new wallet */
private static string GetNewWalletName()
{
while (true)
{
YellowMsg.Write(
"What filename would you like to give your new wallet?: "
);
string filename = Console.ReadLine();
string appended = filename + ".wallet";
if (string.IsNullOrWhiteSpace(filename))
{
RedMsg.WriteLine(
"Wallet name cannot be empty! Try again.\n"
);
continue;
}
if (GeneralUtilities.FilenameInUse(filename) ||
GeneralUtilities.FilenameInUse(appended))
{
RedMsg.Write("A file with the name ");
YellowMsg.Write(filename);
RedMsg.Write(" or ");
YellowMsg.Write(appended);
RedMsg.WriteLine(" already exists! Try again.\n");
}
/* If the file already ends with .wallet, return it. */
else if (filename.EndsWith(".wallet"))
{
return(filename);
}
/* Else, append .wallet to the filename */
else
{
return(appended);
}
}
}
/* Get the filename of an already existing wallet */
private static string GetExistingWalletName()
{
while (true)
{
YellowMsg.Write(
"What wallet filename would you like to open?: "
);
string filename = Console.ReadLine();
string appended = filename + ".wallet";
if (string.IsNullOrWhiteSpace(filename))
{
RedMsg.WriteLine("Wallet name cannot be empty! Try again.");
continue;
}
if (File.Exists(filename))
{
return(filename);
}
/* Automatically add the .wallet extension for users */
else if (File.Exists(appended))
{
return(appended);
}
else
{
RedMsg.Write("A file with the name ");
YellowMsg.Write(filename);
RedMsg.Write(" or ");
YellowMsg.Write(appended);
RedMsg.WriteLine(" doesn't exist!");
Console.WriteLine(
"Ensure you entered your wallet name correctly.\n"
);
}
}
}
/* printableCommands = the commands to print on bad input.
* availableCommands = the commands that the inputted string is
* checked against.
*
* For example, we print basic commands, but can input both basic
* and advanced commands */
private static string ParseCommand(
IEnumerable <Command> printableCommands,
IEnumerable <Command> availableCommands,
string prompt)
{
string selection = null;
while (true)
{
/* Write the prompt message */
YellowMsg.Write(prompt);
selection = Console.ReadLine().ToLower();
/* \n == no-op */
if (selection == "")
{
continue;
}
/* Check if they entered a command or an number */
if (int.TryParse(selection, out int selectionNum))
{
/* We print 1, 2, 3, 4 etc to be user friendly but we want
* to access it with 0 indexing */
selectionNum--;
if (selectionNum < 0 ||
selectionNum >= availableCommands.Count())
{
RedMsg.Write("Bad input, expected a command " +
"name, or number from ");
YellowMsg.Write("1 ");
RedMsg.Write("to ");
YellowMsg.WriteLine(availableCommands.Count().ToString());
PrintCommands(printableCommands);
continue;
}
/* Set the selection to the command name chosen via
* the previously printed numbers */
selection = availableCommands.ElementAt(selectionNum)
.commandName;
}
else
{
/* Does the inputted command exist? */
if (!availableCommands.Any(c => c.commandName == selection))
{
Console.Write("Unknown command: ");
RedMsg.Write($"{selection}\n");
PrintCommands(printableCommands);
continue;
}
}
return(selection);
}
}
