package event

import (
	"fmt"
)

// ErrUnknownRegion - unknown region error.
type ErrUnknownRegion struct {
	Region string
}

func (err ErrUnknownRegion) Error() string {
	return fmt.Sprintf("unknown region '%v'", err.Region)
}

// ErrARNNotFound - ARN not found error.
type ErrARNNotFound struct {
	ARN ARN
}

		Partition:    arnPartitionMinio,
		Service:      arnServiceIAM,
		Region:       serverRegion,
		ResourceType: arnResourceTypeRole,
		ResourceID:   resourceID,
	}, nil
}

// String - returns string representation of the ARN.
func (arn ARN) String() string {
	return strings.Join(
		[]string{
			arnPrefixArn,
			arn.Partition,
			arn.Service,
			arn.Region,
			"", // account-id is always empty in this implementation

	if location == "" {
		location = globalSite.Region()
	}
	if !isValidLocation(location) {
		return location, ErrInvalidRegion
	}

	return location, ErrNone
}

// Validates input location is same as configured region
// of MinIO server.
func isValidLocation(location string) bool {
	region := globalSite.Region()
	return region == "" || region == location
}

	if !globalAPIConfig.permitRootAccess() {
		region := globalSite.Region()
		if region == "" {
			region = "us-east-1"
		}
		clnt, err = minio.New(globalLocalNodeName, &minio.Options{
			Creds:     credentials.NewStaticV4(opts.creds.AccessKey, opts.creds.SecretKey, opts.creds.SessionToken),
			Secure:    globalIsTLS,
			Transport: globalRemoteTargetTransport,
			Region:    region,
		})
		if err != nil {
			return res, err

	}

	config, err := globalBucketMetadataSys.GetNotificationConfig(bucketName)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	region := globalSite.Region()
	config.SetRegion(region)
	if err = config.Validate(region, globalEventNotifier.targetList); err != nil {
		arnErr, ok := err.(*event.ErrARNNotFound)
		if ok {
			for i, queue := range config.QueueList {

			return s, err
		}

		region = regionKV.Get(RegionName)
	}
	if region != "" {
		if !validRegionRegex.MatchString(region) {
			err = Errorf(
				"region '%s' is invalid, expected simple characters such as [us-east-1, myregion...]",
				region)
			return s, err
		}
		s.region = region
	}

	}

	return fmt.Sprintf("duplicate queue configuration %v", message)
}

// ErrUnknownRegion - unknown region error.
type ErrUnknownRegion struct {
	Region string
}

func (err ErrUnknownRegion) Error() string {
	return fmt.Sprintf("unknown region '%v'", err.Region)
}

// ErrARNNotFound - ARN not found error.
type ErrARNNotFound struct {
	ARN ARN
}

	// Set the "Server" http header.
	w.Header().Set(xhttp.ServerInfo, MinioStoreName)

	// Set `x-amz-bucket-region` only if region is set on the server
	// by default minio uses an empty region.
	if region := globalSite.Region(); region != "" {
		w.Header().Set(xhttp.AmzBucketRegion, region)
	}
	w.Header().Set(xhttp.AcceptRanges, "bytes")

	// Remove sensitive information
	crypto.RemoveSensitiveHeaders(w.Header())
}

}

// String - returns string representation.
func (tid TargetID) String() string {
	return tid.ID + ":" + tid.Name
}

// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
	return ARN{TargetID: tid, region: region}
}

// MarshalJSON - encodes to JSON data.
func (tid TargetID) MarshalJSON() ([]byte, error) {
	return json.Marshal(tid.String())
}

// UnmarshalJSON - decodes JSON data.

}

// String - returns string representation.
func (tid TargetID) String() string {
	return tid.ID + ":" + tid.Name
}

// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
	return ARN{TargetID: tid, region: region}
}

// MarshalJSON - encodes to JSON data.
func (tid TargetID) MarshalJSON() ([]byte, error) {
	return json.Marshal(tid.String())
}

// UnmarshalJSON - decodes JSON data.