using System;

using ScriptCs.Contracts;

namespace ScriptCs.ReplCommands

{

public class CwdCommand : IReplCommand

{

private readonly IConsole _console;

public CwdCommand(IConsole console)

{

Guard.AgainstNullArgument("console", console);

_console = console;

}

public string Description => "Displays the current working directory.";

public string CommandName => "cwd";

public object Execute(IRepl repl, object[] args)

{

Guard.AgainstNullArgument("repl", repl);

var dir = repl.FileSystem.CurrentDirectory;

var originalColor = _console.ForegroundColor;

_console.ForegroundColor = ConsoleColor.Yellow;

try

{

_console.WriteLine(dir);

}

finally

{

_console.ForegroundColor = originalColor;

}

return null;

}

}

}