"context"
	"fmt"
	"net/url"
	"runtime"
	"sort"
	"time"

	"github.com/minio/dperf/pkg/dperf"
	"github.com/minio/madmin-go/v3"
	xioutil "github.com/minio/minio/internal/ioutil"
)

const speedTest = "speedtest"

type speedTestOpts struct {
	objectSize       int
	concurrencyStart int
	concurrency      int
	duration         time.Duration
	autotune         bool
	storageClass     string
	bucketName       string

		}

		adminRouter.Methods(http.MethodPost).Path(adminVersion + "/speedtest").HandlerFunc(adminMiddleware(adminAPI.ObjectSpeedTestHandler, noGZFlag))
		adminRouter.Methods(http.MethodPost).Path(adminVersion + "/speedtest/object").HandlerFunc(adminMiddleware(adminAPI.ObjectSpeedTestHandler, noGZFlag))
		adminRouter.Methods(http.MethodPost).Path(adminVersion + "/speedtest/drive").HandlerFunc(adminMiddleware(adminAPI.DriveSpeedtestHandler, noGZFlag))

	peerRESTMethodCommitBinary          = "/commitbinary"
	peerRESTMethodStartProfiling        = "/startprofiling"
	peerRESTMethodDownloadProfilingData = "/downloadprofilingdata"
	peerRESTMethodSpeedTest             = "/speedtest"
	peerRESTMethodDriveSpeedTest        = "/drivespeedtest"
	peerRESTMethodDevNull               = "/devnull"
	peerRESTMethodNetperf               = "/netperf"
	peerRESTMethodGetReplicationMRF     = "/getreplicationmrf"
)

	"github.com/minio/minio-go/v7"
	xhttp "github.com/minio/minio/internal/http"
	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/pkg/v2/randreader"
)

// SpeedTestResult return value of the speedtest function
type SpeedTestResult struct {
	Endpoint      string
	Uploads       uint64
	Downloads     uint64
	UploadTimes   madmin.TimeDurations
	DownloadTimes madmin.TimeDurations
	DownloadTTFB  madmin.TimeDurations

	DeletePrefixObject                  bool      // set true when object's erasure set is resolvable by object name (using getHashedSetIndex)

	Speedtest bool // object call specifically meant for SpeedTest code, set to 'true' when invoked by SpeedtestHandler.

	// Use the maximum parity (N/2), used when saving server configuration files
	MaxParity bool

		}
	}

	if !noClear {
		defer objectAPI.DeleteObject(ctx, customBucket, speedTest+SlashSeparator, ObjectOptions{
			DeletePrefix: true,
		})
	}

	// Freeze all incoming S3 API calls before running speedtest.
	globalNotificationSys.ServiceFreeze(ctx, true)

	// unfreeze all incoming S3 API calls after speedtest.
	defer globalNotificationSys.ServiceFreeze(ctx, false)

		results[len(results)-1].Endpoint = u.String()
	}()
	wg.Wait()

	return results
}

// SpeedTest run GET/PUT tests at input concurrency for requested object size,
// optionally you can extend the tests longer with time.Duration.
func (sys *NotificationSys) SpeedTest(ctx context.Context, sopts speedTestOpts) []SpeedTestResult {
	length := len(sys.allPeerClients)
	if length == 0 {

		opts.ProxyHeaderSet = true
		opts.ProxyRequest = strings.Join(v, "") == "true"
	}
	if _, ok := header[xhttp.MinIOSourceReplicationRequest]; ok {
		opts.ReplicationRequest = true
	}
	opts.Speedtest = header.Get(globalObjectPerfUserMetadata) != ""
	return
}

// get ObjectOptions for GET calls from encryption headers
func getOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {

	}

	if !opts.Speedtest && len(versions) > 0 {
		globalMRFState.addPartialOp(partialOperation{
			bucket:    bucket,
			object:    object,
			queued:    time.Now(),
			versions:  versions,
			setIndex:  er.setIndex,
			poolIndex: er.poolIndex,
		})
	}

	if !opts.Speedtest && len(versions) == 0 {

			if m == nil {
				continue
			}
			select {
			case <-ctx.Done():
				return
			case ch <- *m:
			}
		}
	}()
	return ch, nil
}

func (client *peerRESTClient) SpeedTest(ctx context.Context, opts speedTestOpts) (SpeedTestResult, error) {
	values := make(url.Values)
	values.Set(peerRESTSize, strconv.Itoa(opts.objectSize))
	values.Set(peerRESTConcurrent, strconv.Itoa(opts.concurrency))