package cmd

import (
	"testing"
)

func TestHTTPRequestRangeSpec(t *testing.T) {
	resourceSize := int64(10)
	validRangeSpecs := []struct {
		spec                 string
		expOffset, expLength int64
	}{
		{"bytes=0-", 0, 10},
		{"bytes=1-", 1, 9},
		{"bytes=0-9", 0, 10},
		{"bytes=1-10", 1, 9},
		{"bytes=1-1", 1, 1},
		{"bytes=2-5", 2, 4},

func (e IncompleteBody) Error() string {
	return e.Bucket + "/" + e.Object + " has incomplete body"
}

// InvalidRange - invalid range typed error.
type InvalidRange struct {
	OffsetBegin  int64
	OffsetEnd    int64
	ResourceSize int64
}

func (e InvalidRange) Error() string {
	return fmt.Sprintf("The requested range 'bytes=%d-%d' is not satisfiable", e.OffsetBegin, e.OffsetEnd)
}

func calculateSignedChunkLength(chunkDataSize int64) int64 {
	return int64(len(fmt.Sprintf("%x", chunkDataSize))) +
		17 + // ";chunk-signature="
		64 + // e.g. "f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2"
		2 + // CRLF
		chunkDataSize +
		2 // CRLF
}

func mustGetPutObjReader(t TestErrHandler, data io.Reader, size int64, md5hex, sha256hex string) *PutObjReader {

	serverPools := z.getServerPoolsAvailableSpace(ctx, bucket, object, size)
	serverPools.FilterMaxUsed(100 - (100 * diskReserveFraction))
	total := serverPools.TotalAvailable()
	if total == 0 {
		return -1
	}
	// choose when we reach this many
	choose := rand.Uint64() % total
	atTotal := uint64(0)
	for _, pool := range serverPools {

	if !unlockOnDefer {
		return fn(pr, h, pipeCloser, nsUnlocker)
	}

	return fn(pr, h, pipeCloser)
}

func (er erasureObjects) getObjectWithFileInfo(ctx context.Context, bucket, object string, startOffset int64, length int64, writer io.Writer, fi FileInfo, metaArr []FileInfo, onlineDisks []StorageAPI) error {
	// Reorder online disks based on erasure distribution order.
	// Reorder parts metadata based on erasure distribution order.

	}

	actualSize, err := objInfo.GetActualSize()
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	objectRSC := s3select.NewObjectReadSeekCloser(
		func(offset int64) (io.ReadCloser, error) {
			rs := &HTTPRangeSpec{
				IsSuffixLength: false,
				Start:          offset,
				End:            -1,
			}
			opts.NoLock = true

	// If the directory does not exist, it will be created.
	Directory string

	// MaximumFileSize defines the maximum size of each log file in bytes.
	MaximumFileSize int64

	// FileNameFunc specifies the name a new file will take.
	// FileNameFunc must ensure collisions in filenames do not occur.
	// Do not rely on timestamps to be unique, high throughput writes

	setIndexes  [][]uint64 // All the sets.
}

// Supported set sizes this is used to find the optimal
// single set size.
var setSizes = []uint64{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}

// getDivisibleSize - returns a greatest common divisor of
// all the ellipses sizes.
func getDivisibleSize(totalSizes []uint64) (result uint64) {
	gcd := func(x, y uint64) uint64 {
		for y != 0 {
			x, y = y, x%y
		}

	globalBatchJobsMetrics = batchJobMetrics{metrics: make(map[string]*batchJobInfo)}
	go globalBatchJobsMetrics.purgeJobMetrics()

	t, _ := minioVersionToReleaseTime(Version)
	if !t.IsZero() {
		globalVersionUnix = uint64(t.Unix())
	}

	globalIsCICD = env.Get("MINIO_CI_CD", "") != "" || env.Get("CI", "") != ""

	console.SetColor("Debug", fcolor.New())

	gob.Register(StorageErr(""))
	gob.Register(madmin.TimeInfo{})

	CopyObjectPart(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int,
		startOffset int64, length int64, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (info PartInfo, err error)
	PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *PutObjReader, opts ObjectOptions) (info PartInfo, err error)