//go:build linux

package systemmetrics

import (
	"errors"
	"golang.org/x/sys/unix"
	"tera-clone/services/tera-api/internal/domain"
)

func readStorage(path string) (*domain.StorageMetrics, error) {
	var stat unix.Statfs_t
	if err := unix.Statfs(path, &stat); err != nil {
		return nil, err
	}
	if stat.Bsize <= 0 {
		return nil, errors.New("invalid filesystem block size")
	}
	return storageMetrics(path, stat.Blocks, stat.Bfree, stat.Bavail, uint64(stat.Bsize))
}