import (
	"context"
	"fmt"
	"maps"
	"runtime"
	"sync"
	"sync/atomic"

	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/store"
	"github.com/minio/pkg/v3/workers"
)

const (
	logSubsys = "notify"

	// The maximum allowed number of concurrent Send() calls to all configured notifications targets
	maxConcurrentAsyncSend = 50000
)

// Target - event target interface

	QueueDir          string      `json:"queueDir"`
	QueueLimit        uint64      `json:"queueLimit"`
}

// AMQP input constants.
//
// ST1003 We cannot change these exported names.
//
//nolint:staticcheck
const (
	AmqpQueueDir   = "queue_dir"
	AmqpQueueLimit = "queue_limit"

	AmqpURL               = "url"
	AmqpExchange          = "exchange"
	AmqpRoutingKey        = "routing_key"
	AmqpExchangeType      = "exchange_type"

	"fmt"
	"os"
	"strings"
	"time"

	"github.com/minio/madmin-go/v3/logger/log"
	"github.com/minio/minio/internal/color"
)

// ConsoleLoggerTgt is a stringified value to represent console logging
const ConsoleLoggerTgt = "console+http"

// ExitFunc is called by Fatal() class functions, by default it calls os.Exit()
var ExitFunc = os.Exit

	"github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/kms"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/policy"
	"github.com/minio/pkg/v3/sync/errgroup"
)

const (
	objectLockConfig        = "object-lock.xml"
	bucketTaggingConfig     = "tagging.xml"
	bucketReplicationConfig = "replication.xml"

	xMinIOErrCodeHeader = "x-minio-error-code"
	xMinIOErrDescHeader = "x-minio-error-desc"

// HandlerID is a handler identifier.
// It is used to determine request routing on the server.
// Handlers can be registered with a static subroute.
// Do NOT remove or change the order of existing handlers.
const (
	// handlerInvalid is reserved to check for uninitialized values.
	handlerInvalid HandlerID = iota
	HandlerLockLock
	HandlerLockRLock
	HandlerLockUnlock
	HandlerLockRUnlock
	HandlerLockRefresh

	"github.com/secure-io/sio-go"
	"github.com/zeebo/xxh3"
)

const (
	maxEConfigJSONSize        = 262272
	kubernetesVersionEndpoint = "https://kubernetes.default.svc/version"
	anonymizeParam            = "anonymize"
	anonymizeStrict           = "strict"
)

// Only valid query params for mgmt admin APIs.
const (
	mgmtBucket      = "bucket"
	mgmtPrefix      = "prefix"
	mgmtClientToken = "clientToken"

	"github.com/minio/pkg/v3/mimedb"
	"github.com/pkg/sftp"
	"golang.org/x/crypto/ssh"
)

// Maximum write offset for incoming SFTP blocks.
// Set to 100MiB to prevent hostile DOS attacks.
const ftpMaxWriteOffset = 100 << 20

type sftpDriver struct {
	permissions *ssh.Permissions
	endpoint    string
	remoteIP    string
}

//msgp:ignore sftpMetrics
type sftpMetrics struct{}

	enableODirect               bool
	gzipObjects                 bool
	rootAccess                  bool
	syncEvents                  bool
	objectMaxVersions           int64
}

const (
	cgroupV1MemLimitFile = "/sys/fs/cgroup/memory/memory.limit_in_bytes"
	cgroupV2MemLimitFile = "/sys/fs/cgroup/memory.max"
)

func cgroupMemLimit() (limit uint64) {
	buf, err := os.ReadFile(cgroupV2MemLimitFile)

	"fmt"
	"net/http"
	"net/http/httptest"
	"net/url"
	"strings"
	"testing"

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/kms"
	"github.com/minio/pkg/v3/policy"
)

const (
	// KMS API paths
	// For example: /minio/kms/v1/key/list?pattern=*
	kmsURL           = kmsPathPrefix + kmsAPIVersionPrefix
	kmsStatusPath    = kmsURL + "/status"
	kmsMetricsPath   = kmsURL + "/metrics"

	globalObjectAPI = objLayer
	globalObjLayerMutex.Unlock()
	return objLayer, erasureDirs, nil
}

// cmdType - Represents different service subcomands like status, stop
// and restart.
type cmdType int

const (
	restartCmd cmdType = iota
	stopCmd
)

// toServiceSignal - Helper function that translates a given cmdType
// value to its corresponding serviceSignal value.
func (c cmdType) toServiceSignal() serviceSignal {