"strconv"
	"strings"
	"syscall"

	"github.com/prometheus/procfs/blockdevice"
	"golang.org/x/sys/unix"
)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, firstTime bool) (info Info, err error) {
	s := syscall.Statfs_t{}
	err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := s.Bfree - s.Bavail
	info = Info{

	return policyDocs, err
}

// Assumes cache is locked by caller.
func (iamOS *IAMObjectStore) loadAllFromObjStore(ctx context.Context, cache *iamCache, firstTime bool) error {
	bootstrapTraceMsgFirstTime := func(s string) {
		if firstTime {
			bootstrapTraceMsg(s)
		}
	}

	if iamOS.objAPI == nil {
		return errServerNotInitialized
	}

	bootstrapTraceMsgFirstTime("loading all IAM items")

}

// LoadIAMCache reads all IAM items and populates a new iamCache object and
// replaces the in-memory cache object.
func (store *IAMStoreSys) LoadIAMCache(ctx context.Context, firstTime bool) error {
	bootstrapTraceMsgFirstTime := func(s string) {
		if firstTime {
			bootstrapTraceMsg(s)
		}
	}
	bootstrapTraceMsgFirstTime("loading IAM data")

	newCache := newIamCache()

	loadedAt := time.Now()

	defer sys.Unlock()
	return sys.store != nil
}

// Load - loads all credentials, policies and policy mappings.
func (sys *IAMSys) Load(ctx context.Context, firstTime bool) error {
	loadStartTime := time.Now()
	err := sys.store.LoadIAMCache(ctx, firstTime)
	if err != nil {
		atomic.AddUint64(&sys.TotalRefreshFailures, 1)
		return err
	}
	loadDuration := time.Since(loadStartTime)