package filesystem

import (
	"fmt"
	"os"

	syscall "golang.org/x/sys/unix"
)

const (
	GroupReadWritePerm os.FileMode = syscall.S_IRGRP | syscall.S_IWGRP
)

// GroupID will attempt to stat and fetch the group owner id
// for the given file path
func GroupID(path string) (int64, error) {
	statInfo := syscall.Stat_t{}
	if err := syscall.Stat(path, &statInfo); err != nil {
		return -1, fmt.Errorf("failed to stat file: %w", err)
	}
	return int64(statInfo.Gid), nil
}

// UserID will attempt to stat and fetch the user owner id
// for the given file path
func UserID(path string) (int64, error) {
	statInfo := syscall.Stat_t{}
	if err := syscall.Stat(path, &statInfo); err != nil {
		return -1, fmt.Errorf("failed to stat file: %w", err)
	}
	return int64(statInfo.Uid), nil
}