package main

import (
	"github.com/Masterminds/sprig/v3"
	"os"
	"text/template"
	"fmt"
)

func main() {

	helpText := `Usage: program <appName> <appAccountName> [masterPassword]

Parameters:
  appName          Application name (same as in secrets.yaml.gotmpl)
  appAccountName   Application account name (same as in secrets.yaml.gotmpl)
  masterPassword   Master password (optional)`

	args := os.Args[1:]
	var masterPassword string
	var appName string
	var appAccountName string

	if len(args) == 2 {
		appName = args[0]
		appAccountName = args[1]
		masterPassword = "sovereign-workplace"
	} else if len(args) == 3 {
		appName = args[0]
		appAccountName = args[1]
		masterPassword = args[2]
	} else {
		fmt.Printf(helpText)
	}

	tmpl, err := template.New("password").Funcs(sprig.FuncMap()).Parse(`{{ derivePassword 1 "long" .MasterPassword .AppName .AppAccountName | sha1sum | quote }}`)

	if err != nil {
		panic(err)
	}

	err = tmpl.Execute(os.Stdout, map[string]string{
		"MasterPassword": masterPassword,
		"AppName":        appName,
		"AppAccountName": appAccountName,
	})
	if err != nil {
		panic(err)
	}
	os.Stdout.Sync()
}