package cmd

import (
	"errors"
	"os"

	"github.com/asdine/storm"
	"github.com/filebrowser/filebrowser/bolt"
	
	"github.com/spf13/cobra"
)

func checkErr(err error) {
	if err != nil {
		panic(err)
	}
}

func mustGetString(cmd *cobra.Command, flag string) string {
	s, err := cmd.Flags().GetString(flag)
	checkErr(err)
	return s
}

func mustGetBool(cmd *cobra.Command, flag string) bool {
	b, err := cmd.Flags().GetBool(flag)
	checkErr(err)
	return b
}

func getDB() *storm.DB {
	if _, err := os.Stat(databasePath); err != nil {
		panic(errors.New(databasePath + " does not exist. Please run 'filebrowser init' first."))
	}

	db, err := storm.Open(databasePath)
	checkErr(err)
	return db
}

func getFileBrowser(db *storm.DB) *lib.FileBrowser {
	fb, err := lib.NewFileBrowser(&bolt.Backend{DB: db})
	checkErr(err)
	return fb
}