// Command housecarld is Housecarl's daemon: it will keep the firewall's
// nftables ruleset, and serve its REST API and web UI (docs/design.md).
// For now it only knows its version.
package main

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"

	"housecarl/internal/version"
)

func main() {
	if err := rootCmd().Execute(); err != nil {
		fmt.Fprintln(os.Stderr, "error:", err)
		os.Exit(1)
	}
}

func rootCmd() *cobra.Command {
	root := &cobra.Command{
		Use:   "housecarld",
		Short: "Housecarl's firewall daemon, API and web UI",
		Long: `housecarld will keep a Linux firewall's nftables ruleset, built from its
database, and serve the REST API and web UI that change it. It doesn't yet:
Housecarl is at its start (docs/design.md).`,
		SilenceUsage:  true,
		SilenceErrors: true,
		Version:       version.String(),
	}
	root.AddCommand(versionCmd())
	return root
}

func versionCmd() *cobra.Command {
	return &cobra.Command{
		Use: "version", Short: "Print the version", Args: cobra.NoArgs,
		Run: func(cmd *cobra.Command, args []string) { fmt.Println("housecarld", version.String()) },
	}
}