package main

import (
	"chub/client"
	"encoding/json"
	homedir "github.com/mitchellh/go-homedir"
	"io/ioutil"
	"os"
	"path/filepath"
	"runtime"
)

func initCommand(guid string) {
	confguration := config{MachineGuid: guid}
	saveGuidToHomedir(configuration)

	machineToInitialize := client.Machine{os.Hostname(), runtime.GOOS, runtime.GOARCH, guid}
	client.init(&machineToInitialize)

}

type config struct {
	MachineGuid string
}

func saveGuidToHomedir(configuration config) {

	directory := homedir.Expand() + filepath.Separator + ConfigurationFolderName
	if err := os.Mkdir(directory, ConfigurationFilePermissions); err != nil {
		panic(err)
	}

	configByteContent, err := json.Marshal(configuration)
	if err != nil {
		panic("Something is terribly wrong. I am sorry. I am so so sorry. :~(")
	}

	err := ioutil.WriteFile(directory+filepath.Separator+ConfigurationFileName, configByteContent, ConfigurationFilePermissions)
	if err != nil {
		panic("I cannot write to config file in user directory. How can this be ?")
	}

}