package main

import (
	"io/ioutil"
	"os"
	"path/filepath"
)

type persistentString uint8

const (
	Jid persistentString = iota
)

const (
	RelDataPath = `/.config/limox`
	RelJidPath  = `/last_jid.txt`
	RelPwdPath  = `/last_pwd.txt`
)

func setLastJid(j string) {
	data, err := assertDatadir()
	if err != nil {
		return
	}

	path := filepath.Join(data, RelJidPath)

	_ = ioutil.WriteFile(path, []byte(j), 0644)
}

func getLastJid() string {
	data, err := assertDatadir()
	if err != nil {
		return ""
	}

	path := filepath.Join(data, RelJidPath)

	content, err := ioutil.ReadFile(path)
	if err != nil {
		return ""
	}

	return string(content)
}

func setLastPwd(p string) {
	data, err := assertDatadir()
	if err != nil {
		return
	}

	path := filepath.Join(data, RelPwdPath)

	_ = ioutil.WriteFile(path, []byte(p), 0600)
}

func getLastPwd() string {
	data, err := assertDatadir()
	if err != nil {
		return ""
	}

	path := filepath.Join(data, RelPwdPath)

	content, err := ioutil.ReadFile(path)
	if err != nil {
		return ""
	}

	return string(content)
}

func assertDatadir() (string, error) {
	home, err := os.UserHomeDir()
	if err != nil {
		return "", err
	}

	path := filepath.Join(home, RelDataPath)

	err = os.MkdirAll(path, 0755)
	if err != nil {
		return "", err
	}

	return path, nil
}