using System.CommandLine;
using System.CommandLine.Parsing;

var rootCommand = new RootCommand("ScadaLink CLI — manage the ScadaLink SCADA system");

var contactPointsOption = new Option<string>("--contact-points") { Description = "Comma-separated cluster contact points", Recursive = true };
var usernameOption = new Option<string>("--username") { Description = "LDAP username", Recursive = true };
var passwordOption = new Option<string>("--password") { Description = "LDAP password", Recursive = true };
var formatOption = new Option<string>("--format") { Description = "Output format (json or table)", Recursive = true };
formatOption.DefaultValueFactory = _ => "json";

rootCommand.Add(contactPointsOption);
rootCommand.Add(usernameOption);
rootCommand.Add(passwordOption);
rootCommand.Add(formatOption);

// Placeholder — command groups will be added in Task 6
rootCommand.SetAction(_ =>
{
    Console.WriteLine("Use --help to see available commands.");
});

var parseResult = CommandLineParser.Parse(rootCommand, args);
return await parseResult.InvokeAsync();