package cmd

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"

	"guardianproject.dev/ops/nix-cache-login/internal/config"
)

var (
	cfgPath string
	cfg     *config.Config
)

var rootCmd = &cobra.Command{
	Use:   "nix-cache-login",
	Short: "Authenticate with a Nix binary cache via OIDC",
	Long: `nix-cache-login authenticates users and servers against a Keycloak OIDC
provider and writes access tokens to a netrc file so Nix can use them
when accessing an authenticated binary cache.`,
	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
		var err error
		cfg, err = config.Load(cfgPath)
		if err != nil {
			return err
		}
		return nil
	},
	// Default to login when no subcommand is given
	RunE: func(cmd *cobra.Command, args []string) error {
		return loginCmd.RunE(cmd, args)
	},
}

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

func init() {
	rootCmd.PersistentFlags().StringVar(&cfgPath, "config", "", "path to config file (default: $XDG_CONFIG_HOME/nix-cache-login/config.toml)")
}