package main

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
)

func main() {
	var configPath string
	var overwrite bool
	var subject string

	var rootCmd = &cobra.Command{
		Use:   "lab-ca",
		Short: "Certificate Authority Utility",
		Long:  "lab-ca - Certificate Authority Utility",
		Run: func(cmd *cobra.Command, args []string) {
			printMainHelp()
		},
	}

	var initcaCmd = &cobra.Command{
		Use:   "initca",
		Short: "Generate a new CA certificate and key",
		Run: func(cmd *cobra.Command, args []string) {
			InitCA(configPath, overwrite)
		},
	}

	initcaCmd.Flags().StringVar(&configPath, "config", "ca_config.hcl", "Path to CA configuration file")
	initcaCmd.Flags().BoolVar(&overwrite, "overwrite", false, "Allow overwriting existing files")

	var issueCmd = &cobra.Command{
		Use:   "issue",
		Short: "Issue a new client/server certificate",
		Run: func(cmd *cobra.Command, args []string) {
			IssueCertificate(configPath, subject, overwrite)
		},
	}

	issueCmd.Flags().StringVar(&configPath, "config", "ca_config.hcl", "Path to CA configuration file")
	issueCmd.Flags().StringVar(&subject, "subject", "", "Subject Common Name for the certificate (required)")
	issueCmd.Flags().BoolVar(&overwrite, "overwrite", false, "Allow overwriting existing files")
	issueCmd.MarkFlagRequired("subject")

	rootCmd.AddCommand(initcaCmd)
	rootCmd.AddCommand(issueCmd)

	if err := rootCmd.Execute(); err != nil {
		os.Exit(1)
	}
}

func printMainHelp() {
	fmt.Println("lab-ca - Certificate Authority Utility")
	fmt.Println()
	fmt.Println("Usage:")
	fmt.Println("  lab-ca <command> [options]")
	fmt.Println()
	fmt.Println("Available commands:")
	fmt.Println("  initca     Generate a new CA certificate and key")
	fmt.Println("  issue      Issue a new client/server certificate")
	fmt.Println()
	fmt.Println("Use 'lab-ca <command> --help' for more information about a command.")
}