feat: add initial implementation of a traefik like cli

cmd/create.go

@@ -1,99 +1,98 @@
-package cmd
+package main
 
 import (
 	"errors"
 	"fmt"
+	"os"
 	"strings"
+	"time"
 
 	"github.com/charmbracelet/huh"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
-	"github.com/spf13/cobra"
+	"github.com/traefik/paerser/cli"
 	"golang.org/x/crypto/bcrypt"
 )
 
-type createUserCmd struct {
-	root *cobra.Command
-	cmd  *cobra.Command
-
-	interactive bool
-	docker      bool
-	username    string
-	password    string
+type CreateUserConfig struct {
+	Interactive bool   `description:"Create a user interactively."`
+	Docker      bool   `description:"Format output for docker."`
+	Username    string `description:"Username."`
+	Password    string `description:"Password."`
 }
 
-func newCreateUserCmd(root *cobra.Command) *createUserCmd {
-	return &createUserCmd{
-		root: root,
+func NewCreateUserConfig() *CreateUserConfig {
+	return &CreateUserConfig{
+		Interactive: false,
+		Docker:      false,
+		Username:    "",
+		Password:    "",
 	}
 }
 
-func (c *createUserCmd) Register() {
-	c.cmd = &cobra.Command{
-		Use:   "create",
-		Short: "Create a user",
-		Long:  `Create a user either interactively or by passing flags.`,
-		Run:   c.run,
+func createUserCmd() *cli.Command {
+	tCfg := NewCreateUserConfig()
+
+	loaders := []cli.ResourceLoader{
+		&cli.FlagLoader{},
 	}
 
-	c.cmd.Flags().BoolVarP(&c.interactive, "interactive", "i", false, "Create a user interactively")
-	c.cmd.Flags().BoolVar(&c.docker, "docker", false, "Format output for docker")
-	c.cmd.Flags().StringVar(&c.username, "username", "", "Username")
-	c.cmd.Flags().StringVar(&c.password, "password", "", "Password")
+	return &cli.Command{
+		Name:          "create",
+		Description:   "Create a user",
+		Configuration: tCfg,
+		Resources:     loaders,
+		Run: func(_ []string) error {
+			log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: time.RFC3339}).With().Caller().Logger().Level(zerolog.InfoLevel)
 
-	if c.root != nil {
-		c.root.AddCommand(c.cmd)
+			if tCfg.Interactive {
+				form := huh.NewForm(
+					huh.NewGroup(
+						huh.NewInput().Title("Username").Value(&tCfg.Username).Validate((func(s string) error {
+							if s == "" {
+								return errors.New("username cannot be empty")
+							}
+							return nil
+						})),
+						huh.NewInput().Title("Password").Value(&tCfg.Password).Validate((func(s string) error {
+							if s == "" {
+								return errors.New("password cannot be empty")
+							}
+							return nil
+						})),
+						huh.NewSelect[bool]().Title("Format the output for Docker?").Options(huh.NewOption("Yes", true), huh.NewOption("No", false)).Value(&tCfg.Docker),
+					),
+				)
+
+				var baseTheme *huh.Theme = huh.ThemeBase()
+
+				err := form.WithTheme(baseTheme).Run()
+
+				if err != nil {
+					return fmt.Errorf("failed to run interactive prompt: %w", err)
+				}
+			}
+
+			if tCfg.Username == "" || tCfg.Password == "" {
+				return errors.New("username and password cannot be empty")
+			}
+
+			log.Info().Str("username", tCfg.Username).Msg("Creating user")
+
+			passwd, err := bcrypt.GenerateFromPassword([]byte(tCfg.Password), bcrypt.DefaultCost)
+			if err != nil {
+				return fmt.Errorf("failed to hash password: %w", err)
+			}
+
+			// If docker format is enabled, escape the dollar sign
+			passwdStr := string(passwd)
+			if tCfg.Docker {
+				passwdStr = strings.ReplaceAll(passwdStr, "$", "$$")
+			}
+
+			log.Info().Str("user", fmt.Sprintf("%s:%s", tCfg.Username, passwdStr)).Msg("User created")
+
+			return nil
+		},
 	}
 }
-
-func (c *createUserCmd) GetCmd() *cobra.Command {
-	return c.cmd
-}
-
-func (c *createUserCmd) run(cmd *cobra.Command, args []string) {
-	log.Logger = log.Level(zerolog.InfoLevel)
-
-	if c.interactive {
-		form := huh.NewForm(
-			huh.NewGroup(
-				huh.NewInput().Title("Username").Value(&c.username).Validate((func(s string) error {
-					if s == "" {
-						return errors.New("username cannot be empty")
-					}
-					return nil
-				})),
-				huh.NewInput().Title("Password").Value(&c.password).Validate((func(s string) error {
-					if s == "" {
-						return errors.New("password cannot be empty")
-					}
-					return nil
-				})),
-				huh.NewSelect[bool]().Title("Format the output for Docker?").Options(huh.NewOption("Yes", true), huh.NewOption("No", false)).Value(&c.docker),
-			),
-		)
-		var baseTheme *huh.Theme = huh.ThemeBase()
-		err := form.WithTheme(baseTheme).Run()
-		if err != nil {
-			log.Fatal().Err(err).Msg("Form failed")
-		}
-	}
-
-	if c.username == "" || c.password == "" {
-		log.Fatal().Err(errors.New("error invalid input")).Msg("Username and password cannot be empty")
-	}
-
-	log.Info().Str("username", c.username).Msg("Creating user")
-
-	passwd, err := bcrypt.GenerateFromPassword([]byte(c.password), bcrypt.DefaultCost)
-	if err != nil {
-		log.Fatal().Err(err).Msg("Failed to hash password")
-	}
-
-	// If docker format is enabled, escape the dollar sign
-	passwdStr := string(passwd)
-	if c.docker {
-		passwdStr = strings.ReplaceAll(passwdStr, "$", "$$")
-	}
-
-	log.Info().Str("user", fmt.Sprintf("%s:%s", c.username, passwdStr)).Msg("User created")
-}