// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package disk

import (
	"errors"
	"fmt"
	"syscall"
)

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

	fsTypeHex := strconv.FormatUint(uint64(ftype), 16)
	fsTypeString, ok := fsType2StringMap[fsTypeHex]
	if !ok {
		return "UNKNOWN"
	}
	return fsTypeString
}

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

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package disk_test

import (
	"testing"

	"github.com/minio/minio/internal/disk"
)

func TestFree(t *testing.T) {
	di, err := disk.GetInfo(t.TempDir(), true)
	if err != nil {
		t.Fatal(err)
	}

	if di.FSType == "UNKNOWN" {
		t.Error("Unexpected FSType", di.FSType)
	}

			return xl.versions[i].header.ModTime > xl.versions[j].header.ModTime
		}) {
			t.Errorf("Contents not sorted")
		}
		for i := range xl.versions {
			hdr := xl.versions[i].header
			ver, err := xl.getIdx(i)
			if err != nil {
				t.Error(err)
				continue
			}
			gotHdr := ver.header()
			if hdr != gotHdr {
				t.Errorf("Header does not match, index: %+v != meta: %+v", hdr, gotHdr)
			}
		}
	}

	GetDiskFreeSpace = kernel32.NewProc("GetDiskFreeSpaceW")
)

// GetInfo returns total and free bytes available in a directory, e.g. `C:\`.
// It returns free space available to the user (including quota limitations)
//
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa364937(v=vs.85).aspx
func GetInfo(path string, _ bool) (info Info, err error) {
	// Stat to know if the path exists.

		if version.header.VersionID != uv || version.header.Type != ObjectType {
			continue
		}
		// if uv has tiered content we add a
		// free-version to track it for asynchronous
		// deletion via scanner.
		ver, err := x.getIdx(i)
		if err != nil {
			return err
		}

		if freeVersion, toFree := ver.ObjectV2.InitFreeVersion(fi); toFree {
			return x.addVersion(freeVersion)
		}
		return nil
	}
	return nil

	for i, ver := range x.versions {
		if key == ver.header.VersionID {
			obj, err := x.getIdx(i)
			return i, obj, err
		}
	}
	return -1, nil, errFileVersionNotFound
}

func (x *xlMetaV2) getIdx(idx int) (ver *xlMetaV2Version, err error) {
	if idx < 0 || idx >= len(x.versions) {
		return nil, errFileNotFound
	}
	var dst xlMetaV2Version

	fsTypeHex := strconv.FormatInt(int64(ftype), 16)
	fsTypeString, ok := fsType2StringMap[fsTypeHex]
	if !ok {
		return "UNKNOWN"
	}
	return fsTypeString
}

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

		// numeric argument.

		// Here, we diverge from Amazon S3 behavior by
		// inferring untyped values are numbers.
		if !argVal.isNumeric() {
			if i, ok := argVal.bytesToInt(); ok {
				argVal.setInt(i)
			} else if f, ok := argVal.bytesToFloat(); ok {
				argVal.setFloat(f)
			} else {
				return errNonNumericArg(funcName)
			}
		}
	}

	// Mark that we have seen one non-null value.

	if err != nil {
		logger.FatalIf(err, "Unable to validate passed arguments in %s:%s",
			config.EnvArgs, os.Getenv(config.EnvArgs))
	}
	if v == "" {
		v, _, _, err = env.LookupEnv(config.EnvVolumes)
		if err != nil {
			logger.FatalIf(err, "Unable to validate passed arguments in %s:%s",
				config.EnvVolumes, os.Getenv(config.EnvVolumes))
		}
	}
	if v == "" {
		// Fall back to older environment value MINIO_ENDPOINTS