package cmd

import (
	"context"
	"strconv"
)

const (
	erasureSetOverallWriteQuorum = "overall_write_quorum"
	erasureSetOverallHealth      = "overall_health"
	erasureSetReadQuorum         = "read_quorum"
	erasureSetWriteQuorum        = "write_quorum"
	erasureSetOnlineDrivesCount  = "online_drives_count"
	erasureSetHealingDrivesCount = "healing_drives_count"
	erasureSetHealth             = "health"
)

const (

	}
}

func getClusterErasureSetReadQuorumMD() MetricDescription {
	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: "health",
		Name:      "erasure_set_read_quorum",
		Help:      "Get the read quorum for this erasure set",
		Type:      gaugeMetric,
	}
}

func getClusterErasureSetWriteQuorumMD() MetricDescription {
	return MetricDescription{

		if parity == -1 {
			// Ignore non defined parity
			continue
		}

		readQuorum := N - parity
		if defaultParityCount > 0 && parity == 0 {
			// In this case, parity == 0 implies that this object version is a
			// delete marker
			readQuorum = N/2 + 1
		}
		if occ < readQuorum {
			// Ignore this parity since we don't have enough shards for read quorum
			continue
		}

	if err != nil {
		t.Fatalf("Failed to putObject %v", err)
	}

	_, errs := readAllFileInfo(ctx, erasureDisks, "", bucket, object, "", false, true)
	readQuorum := len(erasureDisks) / 2
	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
		t.Fatalf("Failed to read xl meta data %v", reducedErr)
	}

	// Test 1: Test that all disks are returned without any failures with

// If the context is canceled the function will return the error,
// otherwise the function will return nil.
func mergeEntryChannels(ctx context.Context, in []chan metaCacheEntry, out chan<- metaCacheEntry, readQuorum int) error {
	defer xioutil.SafeClose(out)
	top := make([]*metaCacheEntry, len(in))
	nDone := 0
	ctxDone := ctx.Done()

	// Use simpler forwarder.
	if len(in) == 1 {
		for {
			select {

		return dquorum
	}
	quorum := fi.Erasure.DataBlocks
	if fi.Erasure.DataBlocks == fi.Erasure.ParityBlocks {
		quorum++
	}
	return quorum
}

// ReadQuorum returns expected read quorum for this FileInfo
func (fi FileInfo) ReadQuorum(dquorum int) int {
	if fi.Deleted {
		return dquorum
	}
	return fi.Erasure.DataBlocks
}

// Equals checks if fi(FileInfo) matches ofi(FileInfo)

		}
	}
	return newDisks
}

// readMultipleFiles Reads raw data from all specified files from all disks.
func readMultipleFiles(ctx context.Context, disks []StorageAPI, req ReadMultipleReq, readQuorum int) ([]ReadMultipleResp, error) {
	resps := make([]chan ReadMultipleResp, len(disks))
	for i := range resps {
		resps[i] = make(chan ReadMultipleResp, len(req.Files))
	}
	g := errgroup.WithNErrs(len(disks))

	}

	// List all online disks.
	onlineDisks, modTime, etag := listOnlineDisks(storageDisks, metaArr, errs, readQuorum)

	// Pick latest valid metadata.
	fi, err := pickValidFileInfo(ctx, metaArr, modTime, etag, readQuorum)
	if err != nil {
		return oi, toObjectErr(err, srcBucket, srcObject)
	}
	if fi.Deleted {
		if srcOpts.VersionID == "" {

	}

	var maximumReadQuorum int
	for _, readQuorum := range poolReadQuorums {
		if maximumReadQuorum == 0 {
			maximumReadQuorum = readQuorum
		}
		if readQuorum > maximumReadQuorum {
			maximumReadQuorum = readQuorum
		}
	}

	result := HealthResult{
		Healthy:       true,
		HealthyRead:   true,
		WriteQuorum:   maximumWriteQuorum,
		ReadQuorum:    maximumReadQuorum,

				max = count
				commonCount = ops
			}
		}
		if max < readQuorum {
			return 0
		}
		return commonCount
	}

	return filter()
}

func getQuorumDiskInfos(disks []StorageAPI, infos []DiskInfo, readQuorum int) (newDisks []StorageAPI, newInfos []DiskInfo) {
	commonMutations := calcCommonCounter(infos, readQuorum)
	for i, info := range infos {