package cmd

import (
	"fmt"
	log "github.com/sirupsen/logrus"
	"github.com/spf13/cobra"
	"os"
)

var (
	verbosity string

	rootCmd = &cobra.Command{
		Use:   "docker-multi-arch-builder",
		Short: "dmab is an oci multi architecture builder",
		Long: `docker multi architecture builder is a go program use to build docker manifest
with list of layer. Each layer point to docker image with annotated os, arch and variant information`,
	}
)

// init logging parameter
func init() {
	rootCmd.AddCommand(buildCmd)

	rootCmd.PersistentFlags().StringVarP(&verbosity, "verbosity", "v", log.InfoLevel.String(), "Log level (debug, info, warn, error, fatal, panic")
	rootCmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
		if lvl, err := log.ParseLevel(verbosity); err != nil {
			return err
		} else {
			log.SetLevel(lvl)
			return nil
		}
	}
}

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