package cmd

import (
	"os"
	"path/filepath"

	"github.com/cupcakearmy/autorestic/internal"
	"github.com/cupcakearmy/autorestic/internal/colors"
	"github.com/cupcakearmy/autorestic/internal/lock"
	"github.com/spf13/cobra"

	homedir "github.com/mitchellh/go-homedir"
	"github.com/spf13/viper"
)

func CheckErr(err error) {
	if err != nil {
		colors.Error.Fprintln(os.Stderr, "Error:", err)
		lock.Unlock()
		os.Exit(1)
	}
}

var cfgFile string

var rootCmd = &cobra.Command{
	Version: internal.VERSION,
	Use:     "autorestic",
	Short:   "CLI Wrapper for restic",
	Long:    "Documentation: https://autorestic.vercel.app",
}

func Execute() {
	CheckErr(rootCmd.Execute())
}

func init() {
	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.autorestic.yml or ./.autorestic.yml)")
	rootCmd.PersistentFlags().BoolVar(&internal.CI, "ci", false, "CI mode disabled interactive mode and colors and enables verbosity")
	rootCmd.PersistentFlags().BoolVarP(&internal.VERBOSE, "verbose", "v", false, "verbose mode")
	rootCmd.PersistentFlags().StringVar(&internal.RESTIC_BIN, "restic-bin", "restic", "specify custom restic binary")
	cobra.OnInitialize(initConfig)
}

func initConfig() {
	if ci, _ := rootCmd.Flags().GetBool("ci"); ci {
		colors.DisableColors(true)
		internal.VERBOSE = true
	}

	if cfgFile != "" {
		viper.SetConfigFile(cfgFile)
	} else {
		viper.AddConfigPath(".")

		// Home
		if home, err := homedir.Dir(); err != nil {
			viper.AddConfigPath(home)
		}

		// XDG_CONFIG_HOME
		{
			prefix, found := os.LookupEnv("XDG_CONFIG_HOME")
			if !found {
				if home, err := homedir.Dir(); err != nil {
					prefix = filepath.Join(home, ".config")
				}
			}
			viper.AddConfigPath(filepath.Join(prefix, "autorestic"))
		}

		viper.SetConfigName(".autorestic")
	}
	viper.AutomaticEnv()
}