"errors"
	"fmt"
	"io"
	"math"
	"net/url"
	"strings"

	"github.com/minio/madmin-go/v3"
	minio "github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

type warmBackendMinIO struct {
	warmBackendS3
}

var _ WarmBackend = (*warmBackendMinIO)(nil)

const (
	maxMultipartPutObjectSize = 1024 * 1024 * 1024 * 1024 * 5
	maxPartsCount             = 10000

		}
		return errSignatureMismatch
	}

	// Parse trailers.
	wantTrailers := make(map[string]struct{}, len(cr.trailers))
	for k := range cr.trailers {
		wantTrailers[strings.ToLower(k)] = struct{}{}
	}
	input := bufio.NewScanner(bytes.NewReader(valueBuffer.Bytes()))
	for input.Scan() {
		line := strings.TrimSpace(input.Text())
		if line == "" {
			continue

}

type badConfigErr struct {
	Err error
}

// Error - return the error message
func (bce badConfigErr) Error() string {
	return bce.Err.Error()
}

// Unwrap the error to its underlying error.
func (bce badConfigErr) Unwrap() error {
	return bce.Err
}

type setConfigResult struct {
	Cfg                     config.Config
	SubSys                  string

// See proxyRequest() for details.
type ProxyEndpoint struct {
	Endpoint
	Transport http.RoundTripper
}

// Node holds information about a node in this cluster
type Node struct {
	*url.URL
	Pools    []int
	IsLocal  bool
	GridHost string
}

// Endpoint - any type of endpoint.
type Endpoint struct {
	*url.URL
	IsLocal bool

	PoolIdx, SetIdx, DiskIdx int
}

type setsDsyncLockers [][]dsync.NetLocker

// erasureSets implements ObjectLayer combining a static list of erasure coded
// object sets. NOTE: There is no dynamic scaling allowed or intended in
// current design.
type erasureSets struct {
	sets []*erasureObjects

	// Reference format.
	format *formatErasureV3

	// erasureDisks mutex to lock erasureDisks.
	erasureDisksMu sync.RWMutex

	// Re-ordered list of disks per set.

	}
	if err := DB.Scopes(userTable).Select("max(id)").Scan(&maxId).Error; err != nil {
		t.Errorf("select max(id)")
	}
}

func TestComplexScopes(t *testing.T) {
	tests := []struct {
		name     string
		queryFn  func(tx *gorm.DB) *gorm.DB
		expected string
	}{
		{
			name: "depth_1",
			queryFn: func(tx *gorm.DB) *gorm.DB {
				return tx.Scopes(

			return nil, cred
		}
	}
	writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAccessDenied), r.URL)
	return nil, auth.Credentials{}
}

// AdminError - is a generic error for all admin APIs.
type AdminError struct {
	Code       string
	Message    string
	StatusCode int
}

func (ae AdminError) Error() string {
	return ae.Message
}

func toAdminAPIErr(ctx context.Context, err error) APIError {
	if err == nil {

// This can be used for goroutines that live beyond the parent context.
func bgContext(parent context.Context) context.Context {
	return bgCtx{parent: parent}
}

type bgCtx struct {
	parent context.Context
}

func (a bgCtx) Done() <-chan struct{} {
	return nil
}

func (a bgCtx) Err() error {
	return nil
}

func (a bgCtx) Deadline() (deadline time.Time, ok bool) {
	return time.Time{}, false

	for _, s := range b.Stats {
		if s.hasReplicationUsage() {
			return true
		}
	}
	return false
}

// ReplicationStats holds the global in-memory replication stats
type ReplicationStats struct {
	// map of site deployment ID to site replication status
	// for site replication - maintain stats at global level
	srStats *SRStats
	// active worker stats
	workers *ActiveWorkerStat
	// queue stats cache

		t.Fatal(err)
	}

	creds := globalActiveCred
	token, err := getTokenString(creds.AccessKey, creds.SecretKey)
	if err != nil {
		t.Fatalf("unable get token %s", err)
	}
	testCases := []struct {
		req         *http.Request
		expectedErr error
	}{
		// Set valid authorization header.
		{
			req: &http.Request{
				Header: http.Header{
					"Authorization": []string{token},
				},
			},