package cmd

import (
	"fmt"
	"os"

	"github.com/kyoh86/xdg"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var cfgFile string

var rootCmd = &cobra.Command{
	Use:   "gotest",
	Short: "Gotest is a thing for testing out go packaging and boilerplate",
	Long:  "An Experiment",
}

func init() {
	cobra.OnInitialize(initConfig)
	viper.SetDefault("addr", ":8000")
	viper.SetDefault("env", "production")
	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c",
		"", "Full path to config file")
}

func initConfig() {
	viper.SetEnvPrefix("gotest")
	viper.AutomaticEnv()
	if cfgFile != "" {
		viper.SetConfigFile(cfgFile)
	} else {
		for _, p := range xdg.AllConfigDirs() {
			viper.AddConfigPath(p)
		}
		viper.SetConfigName("gotest")
	}
	viper.ReadInConfig()
}

// Execute the root command
func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}