package datadir

import (
	"fmt"
	"os"
	"path"
)

// Maybe there is a better place for this constant
const HistoryFileName = "history.reshjson"

func GetPath() (string, error) {
	reshDir := "resh"
	xdgDir, found := os.LookupEnv("XDG_DATA_HOME")
	if found {
		return path.Join(xdgDir, reshDir), nil
	}
	homeDir, err := os.UserHomeDir()
	if err != nil {
		return "", fmt.Errorf("error while getting home dir: %w", err)
	}
	return path.Join(homeDir, ".local/share/", reshDir), nil
}

func MakePath() (string, error) {
	path, err := GetPath()
	if err != nil {
		return "", err
	}
	err = os.MkdirAll(path, 0755)
	// skip "exists" error
	if err != nil && !os.IsExist(err) {
		return "", fmt.Errorf("error while creating directories: %w", err)
	}
	return path, nil
}