package cmd

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
	"github.com/spf13/viper"

	"git.callpipe.com/finn/signald-go/signald"
)

var cfgFile string
var socketPath string
var s *signald.Signald

// RootCmd represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
	Use:   "signald-cli",
	Short: "Interact with a running siangld instance",
	Long: `signald-cli is a command line tool to interact with signald.`,
}

// Execute adds all child commands to the root command sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	if err := RootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(-1)
	}
}

func init() {
	cobra.OnInitialize(initConfig)
	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.signald-cli.yaml)")
	RootCmd.PersistentFlags().StringVarP(&socketPath, "socket", "s", "/var/run/signald/signald.socket", "the path to the signald socket file")
	s = &signald.Signald{}
	s.Connect()
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	if cfgFile != "" { // enable ability to specify config file via flag
		viper.SetConfigFile(cfgFile)
	}

	viper.SetConfigName(".signald-cli") // name of config file (without extension)
	viper.AddConfigPath("$HOME")  // adding home directory as first search path
	viper.AutomaticEnv()          // read in environment variables that match

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		fmt.Println("Using config file:", viper.ConfigFileUsed())
	}
}