// Copyright © 2017-2018 Mikael Berthe <mikael@lilotux.net>
//
// Licensed under the MIT license.
// Please see the LICENSE file is this directory.

package cmd

import (
	"os"

	"github.com/spf13/cobra"
)

// timelinesCmd represents the timelines command
var instanceCmd = &cobra.Command{
	Use:   "instance",
	Short: "Display current instance information",
	Long: `Display instance information

This command display the instance information returned by the server.
`,
	RunE: instanceRunE,
}

func init() {
	RootCmd.AddCommand(instanceCmd)

	instanceCmd.AddCommand(instancePeersSubcommand)
	instanceCmd.AddCommand(instanceActivitySubcommand)
}

var instancePeersSubcommand = &cobra.Command{
	Use:   "peers",
	Short: "Display the instance peers",
	RunE:  instanceStatsRunE,
}

var instanceActivitySubcommand = &cobra.Command{
	Use:   "activity",
	Short: "Display the instance activity",
	RunE:  instanceStatsRunE,
}

func instanceRunE(cmd *cobra.Command, args []string) error {
	if err := madonInit(false); err != nil {
		return err
	}

	// Get current instance data through the API
	i, err := gClient.GetCurrentInstance()
	if err != nil {
		errPrint("Error: %s", err.Error())
		os.Exit(1)
	}

	p, err := getPrinter()
	if err != nil {
		errPrint("Error: %s", err.Error())
		os.Exit(1)
	}
	return p.printObj(i)
}

func instanceStatsRunE(cmd *cobra.Command, args []string) error {
	if err := madonInit(false); err != nil {
		return err
	}

	var obj interface{}
	var err error

	switch cmd.Name() {
	case "peers":
		// Get current instance peers
		peers, err := gClient.GetInstancePeers()
		if err != nil {
			errPrint("Error: %s", err.Error())
			os.Exit(1)
		}
		obj = peers
	case "activity":
		// Get current instance activity
		activity, err := gClient.GetInstanceActivity()
		if err != nil {
			errPrint("Error: %s", err.Error())
			os.Exit(1)
		}
		obj = activity
	}

	p, err := getPrinter()
	if err != nil {
		errPrint("Error: %s", err.Error())
		os.Exit(1)
	}
	return p.printObj(obj)
}