package main

import (
    "fmt"
    "os"
    "github.com/napalu/goopt/v2"
)

type Config struct {
    // Global flags
    Verbose bool `goopt:"short:v;desc:Enable verbose output"`

    // 'create' command with a subcommand
    Create struct {
        Force bool `goopt:"short:f;desc:Force creation"`
        User struct {
            Username string `goopt:"short:u;desc:Username;required:true"`
            Password string `goopt:"short:p;desc:Password;secure:true"`
        } `goopt:"kind:command;name:user;desc:Create user"`
    } `goopt:"kind:command;name:create;desc:Create resources"`
}

func main() {
    cfg := &Config{}
    // Note: In v2, the parser type is simply `Parser`
    parser, err := goopt.NewParserFromStruct(cfg)
    if err != nil {
        fmt.Fprintf(os.Stderr, "Error creating parser: %v\n", err)
        os.Exit(1)
    }

    // Parse returns false on failure or if --help was requested
    if !parser.Parse(os.Args) {
        // goopt handles printing errors and help text by default
        os.Exit(1)
    }

    // Your application logic here...
    if parser.HasCommand("create", "user") {
        fmt.Printf("Creating user: %s\n", cfg.Create.User.Username)
    }
}