package tins2021

import (
	"encoding/json"
	"os"

	"opslag.de/schobers/zntg"
)

const appName = "tins2021_qbitter"

func UserDir() (string, error) { return zntg.UserConfigDir(appName) }

func UserFile(name string) (string, error) { return zntg.UserConfigFile(appName, name) }

func LoadUserFileJSON(name string, v interface{}) error {
	path, err := UserFile(name)
	if err != nil {
		return err
	}
	if _, err := os.Stat(path); os.IsNotExist(err) {
		return os.ErrNotExist
	}
	f, err := os.Open(path)
	if err != nil {
		return err
	}
	defer f.Close()
	return json.NewDecoder(f).Decode(v)
}

func SaveUserFileJSON(name string, v interface{}) error {
	path, err := UserFile(name)
	if err != nil {
		return err
	}
	f, err := os.Create(path)
	if err != nil {
		return err
	}
	defer f.Close()
	return json.NewEncoder(f).Encode(v)
}