package app

import (
	"context"
	"errors"
	"net/http"
	"path/filepath"
	"strings"
	"time"

	"github.com/geo-platform/tenant-api/internal/shared/objectstorage"
	"github.com/geo-platform/tenant-api/internal/shared/response"
	"go.uber.org/zap"
)

const (
	ActionObjectStorageUpload       = "object_storage.upload"
	ActionObjectStorageMove         = "object_storage.move"
	ActionObjectStorageDelete       = "object_storage.delete"
	ActionObjectStorageFolderCreate = "object_storage.folder.create"
	ActionObjectStorageFolderDelete = "object_storage.folder.delete"
)

type ObjectStorageService struct {
	storage objectstorage.ManagementClient
	audits  *AuditService
	logger  *zap.Logger
}

func NewObjectStorageService(storage objectstorage.Client, audits *AuditService) *ObjectStorageService {
	management, _ := storage.(objectstorage.ManagementClient)
	return &ObjectStorageService{storage: management, audits: audits}
}

func (s *ObjectStorageService) WithLogger(logger *zap.Logger) *ObjectStorageService {
	if s == nil {
		return s
	}
	s.logger = logger
	if logger != nil && s.storage == nil {
		logger.Warn("object storage backend does not implement ManagementClient, OSS console disabled")
	}
	return s
}

type ObjectStorageListInput struct {
	Prefix            string
	Keyword           string
	ContinuationToken string
	StartAfter        string
	Recursive         bool
	Size              int
}

type ObjectStorageListResult struct {
	Objects               []objectstorage.ObjectInfo `json:"objects"`
	CommonPrefixes        []string                   `json:"common_prefixes"`
	ContinuationToken     string                     `json:"continuation_token,omitempty"`
	NextContinuationToken string                     `json:"next_continuation_token,omitempty"`
	IsTruncated           bool                       `json:"is_truncated"`
	Prefix                string                     `json:"prefix"`
	Keyword               string                     `json:"keyword,omitempty"`
	Recursive             bool                       `json:"recursive"`
}

type ObjectStorageDetailResult struct {
	objectstorage.ObjectInfo
	PublicURL  *string `json:"public_url,omitempty"`
	PreviewURL *string `json:"preview_url,omitempty"`
}

type ObjectStorageUploadInput struct {
	ObjectKey   string
	FileName    string
	Content     []byte
	ContentType string
	Overwrite   bool
}

type ObjectStorageUploadResult struct {
	Object objectstorage.ObjectInfo `json:"object"`
}

type ObjectStorageMoveInput struct {
	SourceKey      string
	DestinationKey string
	Overwrite      bool
	DeleteSource   bool
}

type ObjectStorageFolderCreateInput struct {
	Prefix string
}

type ObjectStorageFolderCreateResult struct {
	Prefix string `json:"prefix"`
}

type ObjectStorageFolderDeleteResult struct {
	Prefix       string `json:"prefix"`
	DeletedCount int    `json:"deleted_count"`
}

type ObjectStorageUsageResult struct {
	Available   bool   `json:"available"`
	Provider    string `json:"provider,omitempty"`
	StorageSize int64  `json:"storage_size"`
	ObjectCount int64  `json:"object_count"`
}

func (s *ObjectStorageService) List(ctx context.Context, in ObjectStorageListInput) (*ObjectStorageListResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	size := in.Size
	if size <= 0 || size > 1000 {
		size = 100
	}
	prefix, err := normalizeOSSOptionalPrefix(in.Prefix)
	if err != nil {
		return nil, err
	}
	keyword := strings.TrimSpace(in.Keyword)
	if keyword != "" && len([]rune(keyword)) > 200 {
		return nil, response.ErrBadRequest(40093, "invalid_object_storage_keyword", "搜索关键字不能超过 200 个字")
	}

	listInput := objectstorage.ListInput{
		Prefix:            prefix,
		ContinuationToken: strings.TrimSpace(in.ContinuationToken),
		StartAfter:        normalizeOSSOptionalToken(in.StartAfter),
		Recursive:         in.Recursive || keyword != "",
		Limit:             size,
	}
	result, err := s.storage.List(ctx, listInput)
	if err != nil {
		return nil, mapObjectStorageError(err, "object_storage_list_failed", "读取 OSS 对象列表失败")
	}
	objects := normalizeOSSListedObjects(prefix, result.Objects, in.Recursive || keyword != "")
	commonPrefixes := normalizeOSSCommonPrefixes(prefix, result.CommonPrefixes, result.Objects, in.Recursive || keyword != "")
	if shouldFallbackOSSDirectoryList(in, keyword, objects, commonPrefixes) {
		listInput.Recursive = true
		result, err = s.storage.List(ctx, listInput)
		if err != nil {
			return nil, mapObjectStorageError(err, "object_storage_list_failed", "读取 OSS 对象列表失败")
		}
		objects = normalizeOSSListedObjects(prefix, result.Objects, in.Recursive || keyword != "")
		commonPrefixes = normalizeOSSCommonPrefixes(prefix, result.CommonPrefixes, result.Objects, in.Recursive || keyword != "")
	}

	if keyword != "" {
		objects = filterOSSObjectsByKeyword(objects, keyword)
	}
	return &ObjectStorageListResult{
		Objects:               objects,
		CommonPrefixes:        commonPrefixes,
		ContinuationToken:     result.ContinuationToken,
		NextContinuationToken: result.NextContinuationToken,
		IsTruncated:           result.IsTruncated,
		Prefix:                prefix,
		Keyword:               keyword,
		Recursive:             in.Recursive || keyword != "",
	}, nil
}

func (s *ObjectStorageService) Usage(ctx context.Context) (*ObjectStorageUsageResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	usageClient, ok := s.storage.(objectstorage.UsageClient)
	if !ok {
		return &ObjectStorageUsageResult{Available: false}, nil
	}
	info, err := usageClient.Usage(ctx)
	if errors.Is(err, objectstorage.ErrUsageUnsupported) {
		return &ObjectStorageUsageResult{Available: false}, nil
	}
	if err != nil {
		return nil, mapObjectStorageError(err, "object_storage_usage_failed", "读取 OSS 存储用量失败")
	}
	if info == nil || !info.Available {
		return &ObjectStorageUsageResult{Available: false}, nil
	}
	return &ObjectStorageUsageResult{
		Available:   true,
		Provider:    info.Provider,
		StorageSize: info.StorageSize,
		ObjectCount: info.ObjectCount,
	}, nil
}

func (s *ObjectStorageService) Get(ctx context.Context, key string) (*ObjectStorageDetailResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	objectKey, err := normalizeOSSObjectKey(key)
	if err != nil {
		return nil, err
	}
	info, err := s.storage.Stat(ctx, objectKey)
	if err != nil {
		return nil, mapObjectStorageError(err, "object_storage_stat_failed", "读取 OSS 对象详情失败")
	}
	publicURL := s.publicReadableURL(objectKey)
	previewURL, err := s.storage.DownloadURL(objectKey)
	if err != nil || strings.TrimSpace(previewURL) == "" {
		previewURL = ""
	}
	return &ObjectStorageDetailResult{ObjectInfo: *info, PublicURL: publicURL, PreviewURL: optionalString(previewURL)}, nil
}

func (s *ObjectStorageService) publicReadableURL(objectKey string) *string {
	publicClient, ok := s.storage.(objectstorage.PublicReadableClient)
	if !ok {
		return nil
	}
	urlValue, err := publicClient.PublicReadableURL(objectKey)
	if err != nil || strings.TrimSpace(urlValue) == "" {
		return nil
	}
	return &urlValue
}

func (s *ObjectStorageService) Download(ctx context.Context, key string) ([]byte, *objectstorage.ObjectInfo, error) {
	if err := s.ensureReady(); err != nil {
		return nil, nil, err
	}
	objectKey, err := normalizeOSSObjectKey(key)
	if err != nil {
		return nil, nil, err
	}
	info, statErr := s.storage.Stat(ctx, objectKey)
	if statErr != nil && !errors.Is(statErr, objectstorage.ErrObjectNotFound) {
		return nil, nil, mapObjectStorageError(statErr, "object_storage_stat_failed", "读取 OSS 对象详情失败")
	}
	content, err := s.storage.GetBytes(ctx, objectKey)
	if err != nil {
		return nil, nil, mapObjectStorageError(err, "object_storage_download_failed", "下载 OSS 对象失败")
	}
	return content, info, nil
}

func (s *ObjectStorageService) ResolvePublicURL(ctx context.Context, key string) (string, error) {
	if err := s.ensureReady(); err != nil {
		return "", err
	}
	objectKey, err := normalizeOSSObjectKey(key)
	if err != nil {
		return "", err
	}
	if exists, err := s.storage.Exists(ctx, objectKey); err != nil {
		return "", mapObjectStorageError(err, "object_storage_stat_failed", "读取 OSS 对象详情失败")
	} else if !exists {
		return "", response.ErrNotFound(40441, "object_storage_object_not_found", "OSS 对象不存在")
	}
	urlValue, err := s.storage.PublicURL(objectKey)
	if errors.Is(err, objectstorage.ErrObjectNotPublic) {
		return s.ResolveDownloadURL(ctx, objectKey)
	}
	if err != nil {
		return "", mapObjectStorageError(err, "object_storage_url_failed", "生成 OSS 访问地址失败")
	}
	return urlValue, nil
}

func (s *ObjectStorageService) ResolveDownloadURL(ctx context.Context, key string) (string, error) {
	if err := s.ensureReady(); err != nil {
		return "", err
	}
	objectKey, err := normalizeOSSObjectKey(key)
	if err != nil {
		return "", err
	}
	if exists, err := s.storage.Exists(ctx, objectKey); err != nil {
		return "", mapObjectStorageError(err, "object_storage_stat_failed", "读取 OSS 对象详情失败")
	} else if !exists {
		return "", response.ErrNotFound(40441, "object_storage_object_not_found", "OSS 对象不存在")
	}
	urlValue, err := s.storage.DownloadURL(objectKey)
	if err != nil {
		return "", mapObjectStorageError(err, "object_storage_url_failed", "生成 OSS 下载地址失败")
	}
	return urlValue, nil
}

func (s *ObjectStorageService) Upload(ctx context.Context, actor *Actor, in ObjectStorageUploadInput) (*ObjectStorageUploadResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	if len(in.Content) == 0 {
		return nil, response.ErrBadRequest(40094, "empty_object_storage_file", "上传文件不能为空")
	}
	if len(in.Content) > 500*1024*1024 {
		return nil, response.ErrBadRequest(40095, "object_storage_file_too_large", "单个对象不能超过 500MB")
	}
	objectKey, err := normalizeUploadObjectKey(in.ObjectKey, in.FileName)
	if err != nil {
		return nil, err
	}
	if !in.Overwrite {
		if exists, err := s.storage.Exists(ctx, objectKey); err != nil {
			return nil, mapObjectStorageError(err, "object_storage_stat_failed", "检查 OSS 对象失败")
		} else if exists {
			return nil, response.ErrConflict(40941, "object_storage_object_exists", "OSS 对象已存在")
		}
	}
	contentType := strings.TrimSpace(in.ContentType)
	if contentType == "" {
		contentType = http.DetectContentType(in.Content)
	}
	if err := s.storage.PutBytes(ctx, objectKey, in.Content, contentType); err != nil {
		return nil, mapObjectStorageError(err, "object_storage_upload_failed", "上传 OSS 对象失败")
	}
	info, err := s.storage.Stat(ctx, objectKey)
	if err != nil {
		if s.logger != nil {
			s.logger.Warn("object storage stat failed after upload; returning synthesized metadata",
				zap.String("object_key", objectKey),
				zap.Error(err),
			)
		}
		info = &objectstorage.ObjectInfo{
			Key:          objectKey,
			Size:         int64(len(in.Content)),
			ContentType:  contentType,
			LastModified: time.Now(),
		}
	}
	s.audit(ctx, actor, ActionObjectStorageUpload, objectKey, map[string]any{
		"object_key": objectKey,
		"size":       len(in.Content),
		"overwrite":  in.Overwrite,
	})
	return &ObjectStorageUploadResult{Object: *info}, nil
}

func (s *ObjectStorageService) Move(ctx context.Context, actor *Actor, in ObjectStorageMoveInput) (*ObjectStorageDetailResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	sourceKey, err := normalizeOSSObjectKey(in.SourceKey)
	if err != nil {
		return nil, err
	}
	destinationKey, err := normalizeOSSObjectKey(in.DestinationKey)
	if err != nil {
		return nil, err
	}
	if sourceKey == destinationKey {
		return s.Get(ctx, destinationKey)
	}
	if exists, err := s.storage.Exists(ctx, sourceKey); err != nil {
		return nil, mapObjectStorageError(err, "object_storage_stat_failed", "检查源对象失败")
	} else if !exists {
		return nil, response.ErrNotFound(40441, "object_storage_object_not_found", "源 OSS 对象不存在")
	}
	if !in.Overwrite {
		if exists, err := s.storage.Exists(ctx, destinationKey); err != nil {
			return nil, mapObjectStorageError(err, "object_storage_stat_failed", "检查目标对象失败")
		} else if exists {
			return nil, response.ErrConflict(40941, "object_storage_object_exists", "目标 OSS 对象已存在")
		}
	}
	if err := s.storage.Copy(ctx, sourceKey, destinationKey); err != nil {
		return nil, mapObjectStorageError(err, "object_storage_move_failed", "移动 OSS 对象失败")
	}
	if in.DeleteSource {
		if err := s.storage.Delete(ctx, sourceKey); err != nil {
			return nil, mapObjectStorageError(err, "object_storage_delete_failed", "删除源 OSS 对象失败")
		}
	}
	s.audit(ctx, actor, ActionObjectStorageMove, destinationKey, map[string]any{
		"source_key":      sourceKey,
		"destination_key": destinationKey,
		"overwrite":       in.Overwrite,
		"delete_source":   in.DeleteSource,
	})
	return s.Get(ctx, destinationKey)
}

func (s *ObjectStorageService) Delete(ctx context.Context, actor *Actor, key string) error {
	if err := s.ensureReady(); err != nil {
		return err
	}
	objectKey, err := normalizeOSSObjectKey(key)
	if err != nil {
		return err
	}
	if exists, err := s.storage.Exists(ctx, objectKey); err != nil {
		return mapObjectStorageError(err, "object_storage_stat_failed", "检查 OSS 对象失败")
	} else if !exists {
		return response.ErrNotFound(40441, "object_storage_object_not_found", "OSS 对象不存在")
	}
	if err := s.storage.Delete(ctx, objectKey); err != nil {
		return mapObjectStorageError(err, "object_storage_delete_failed", "删除 OSS 对象失败")
	}
	s.audit(ctx, actor, ActionObjectStorageDelete, objectKey, map[string]any{"object_key": objectKey})
	return nil
}

func (s *ObjectStorageService) CreateFolder(
	ctx context.Context,
	actor *Actor,
	in ObjectStorageFolderCreateInput,
) (*ObjectStorageFolderCreateResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	prefix, err := normalizeOSSFolderPrefix(in.Prefix)
	if err != nil {
		return nil, err
	}
	if exists, err := s.folderExists(ctx, prefix); err != nil {
		return nil, mapObjectStorageError(err, "object_storage_folder_check_failed", "检查 OSS 目录失败")
	} else if exists {
		return nil, response.ErrConflict(40942, "object_storage_folder_exists", "OSS 目录已存在")
	}
	if err := s.storage.PutBytes(ctx, prefix, nil, "application/octet-stream"); err != nil {
		return nil, mapObjectStorageError(err, "object_storage_folder_create_failed", "创建 OSS 目录失败")
	}
	s.audit(ctx, actor, ActionObjectStorageFolderCreate, prefix, map[string]any{"prefix": prefix})
	return &ObjectStorageFolderCreateResult{Prefix: prefix}, nil
}

func (s *ObjectStorageService) DeleteFolder(
	ctx context.Context,
	actor *Actor,
	prefixValue string,
) (*ObjectStorageFolderDeleteResult, error) {
	if err := s.ensureReady(); err != nil {
		return nil, err
	}
	prefix, err := normalizeOSSFolderPrefix(prefixValue)
	if err != nil {
		return nil, err
	}

	keys := make([]string, 0)
	continuationToken := ""
	for {
		result, err := s.storage.List(ctx, objectstorage.ListInput{
			Prefix:            prefix,
			ContinuationToken: continuationToken,
			Recursive:         true,
			Limit:             1000,
		})
		if err != nil {
			return nil, mapObjectStorageError(err, "object_storage_folder_list_failed", "读取 OSS 目录失败")
		}
		for _, item := range result.Objects {
			if strings.TrimSpace(item.Key) == "" || !strings.HasPrefix(item.Key, prefix) {
				continue
			}
			keys = append(keys, item.Key)
		}
		if !result.IsTruncated || strings.TrimSpace(result.NextContinuationToken) == "" {
			break
		}
		continuationToken = strings.TrimSpace(result.NextContinuationToken)
	}
	if len(keys) == 0 {
		return nil, response.ErrNotFound(40442, "object_storage_folder_not_found", "OSS 目录不存在或目录为空")
	}

	deleted := 0
	for _, key := range keys {
		if strings.TrimSpace(key) == "" || !strings.HasPrefix(key, prefix) {
			continue
		}
		if err := s.storage.Delete(ctx, key); err != nil {
			return nil, mapObjectStorageError(err, "object_storage_folder_delete_failed", "删除 OSS 目录失败")
		}
		deleted++
	}

	s.audit(ctx, actor, ActionObjectStorageFolderDelete, prefix, map[string]any{
		"prefix":        prefix,
		"deleted_count": deleted,
	})
	return &ObjectStorageFolderDeleteResult{Prefix: prefix, DeletedCount: deleted}, nil
}

func (s *ObjectStorageService) ensureReady() error {
	if s == nil || s.storage == nil {
		return response.ErrServiceUnavailable(50303, "object_storage_unavailable", "object storage is not configured")
	}
	if err := s.storage.Validate(); err != nil {
		return response.ErrServiceUnavailable(50303, "object_storage_unavailable", "object storage is not configured")
	}
	return nil
}

func normalizeUploadObjectKey(objectKey string, fileName string) (string, error) {
	objectKey = strings.TrimSpace(objectKey)
	if objectKey == "" || strings.HasSuffix(objectKey, "/") {
		name := sanitizeOSSFileName(fileName)
		if name == "" {
			return "", response.ErrBadRequest(40096, "invalid_object_storage_key", "Object Key 不能为空")
		}
		objectKey = strings.TrimRight(objectKey, "/")
		if objectKey != "" {
			objectKey += "/"
		}
		objectKey += name
	}
	return normalizeOSSObjectKey(objectKey)
}

func normalizeOSSObjectKey(value string) (string, error) {
	key, err := normalizeOSSKey(value, false)
	if err != nil {
		return "", err
	}
	if key == "" || strings.HasSuffix(key, "/") {
		return "", response.ErrBadRequest(40096, "invalid_object_storage_key", "Object Key 不能为空且不能是目录")
	}
	return key, nil
}

func normalizeOSSFolderPrefix(value string) (string, error) {
	prefix, err := normalizeOSSKey(value, false)
	if err != nil {
		return "", err
	}
	prefix = strings.TrimRight(prefix, "/")
	if prefix == "" {
		return "", response.ErrBadRequest(40097, "invalid_object_storage_folder", "目录路径不能为空")
	}
	return prefix + "/", nil
}

func normalizeOSSOptionalPrefix(value string) (string, error) {
	return normalizeOSSKey(value, true)
}

func normalizeOSSOptionalToken(value string) string {
	key, err := normalizeOSSKey(value, true)
	if err != nil {
		return ""
	}
	return key
}

func normalizeOSSKey(value string, allowEmpty bool) (string, error) {
	value = strings.TrimSpace(value)
	value = strings.TrimLeft(value, "/")
	if value == "" {
		if allowEmpty {
			return "", nil
		}
		return "", response.ErrBadRequest(40096, "invalid_object_storage_key", "Object Key 不能为空")
	}
	if len(value) > 1024 || strings.Contains(value, "\\") {
		return "", response.ErrBadRequest(40096, "invalid_object_storage_key", "Object Key 长度或格式无效")
	}
	for _, part := range strings.Split(value, "/") {
		if part == "." || part == ".." {
			return "", response.ErrBadRequest(40096, "invalid_object_storage_key", "Object Key 不能包含 . 或 .. 路径段")
		}
	}
	return value, nil
}

func sanitizeOSSFileName(value string) string {
	name := strings.TrimSpace(filepath.Base(value))
	if name == "." || name == "/" || name == "\\" {
		return ""
	}
	return strings.ReplaceAll(name, "\\", "")
}

func filterOSSObjectsByKeyword(items []objectstorage.ObjectInfo, keyword string) []objectstorage.ObjectInfo {
	if keyword == "" {
		return items
	}
	normalized := strings.ToLower(keyword)
	filtered := make([]objectstorage.ObjectInfo, 0, len(items))
	for _, item := range items {
		if strings.Contains(strings.ToLower(item.Key), normalized) {
			filtered = append(filtered, item)
		}
	}
	return filtered
}

func optionalString(value string) *string {
	value = strings.TrimSpace(value)
	if value == "" {
		return nil
	}
	return &value
}

func shouldFallbackOSSDirectoryList(
	in ObjectStorageListInput,
	keyword string,
	objects []objectstorage.ObjectInfo,
	commonPrefixes []string,
) bool {
	if in.Recursive || keyword != "" {
		return false
	}
	return len(objects) == 0 && len(commonPrefixes) == 0
}

func normalizeOSSListedObjects(prefix string, items []objectstorage.ObjectInfo, recursive bool) []objectstorage.ObjectInfo {
	if recursive {
		filtered := make([]objectstorage.ObjectInfo, 0, len(items))
		for _, item := range items {
			if strings.HasSuffix(item.Key, "/") {
				continue
			}
			filtered = append(filtered, item)
		}
		return filtered
	}
	filtered := make([]objectstorage.ObjectInfo, 0, len(items))
	for _, item := range items {
		if strings.HasSuffix(item.Key, "/") {
			continue
		}
		if !strings.HasPrefix(item.Key, prefix) {
			continue
		}
		remainder := strings.TrimPrefix(item.Key, prefix)
		if remainder == "" || strings.Contains(remainder, "/") {
			continue
		}
		filtered = append(filtered, item)
	}
	return filtered
}

func normalizeOSSCommonPrefixes(
	prefix string,
	listedPrefixes []string,
	objects []objectstorage.ObjectInfo,
	recursive bool,
) []string {
	if recursive {
		return nil
	}
	seen := make(map[string]struct{}, len(listedPrefixes)+len(objects))
	out := make([]string, 0, len(listedPrefixes))
	add := func(value string, requireNested bool) {
		value = strings.TrimLeft(strings.TrimSpace(value), "/")
		if value == "" || value == prefix || !strings.HasPrefix(value, prefix) {
			return
		}
		remainder := strings.TrimPrefix(value, prefix)
		first, _, hasSlash := strings.Cut(remainder, "/")
		if first == "" || (requireNested && !hasSlash) {
			return
		}
		next := prefix + first + "/"
		if _, ok := seen[next]; ok {
			return
		}
		seen[next] = struct{}{}
		out = append(out, next)
	}

	for _, value := range listedPrefixes {
		add(value, false)
	}
	for _, item := range objects {
		add(item.Key, true)
	}
	return out
}

func (s *ObjectStorageService) folderExists(ctx context.Context, prefix string) (bool, error) {
	if exists, err := s.storage.Exists(ctx, prefix); err != nil {
		return false, err
	} else if exists {
		return true, nil
	}
	result, err := s.storage.List(ctx, objectstorage.ListInput{
		Prefix:    prefix,
		Recursive: true,
		Limit:     1,
	})
	if err != nil {
		return false, err
	}
	return len(result.Objects) > 0, nil
}

func mapObjectStorageError(err error, code string, detail string) error {
	if errors.Is(err, objectstorage.ErrNotConfigured) {
		return response.ErrServiceUnavailable(50303, "object_storage_unavailable", "object storage is not configured")
	}
	if errors.Is(err, objectstorage.ErrObjectNotFound) {
		return response.ErrNotFound(40441, "object_storage_object_not_found", "OSS 对象不存在")
	}
	appErr := response.ErrInternal(50097, code, detail)
	appErr.Cause = err
	return appErr
}

func (s *ObjectStorageService) audit(ctx context.Context, actor *Actor, action string, targetKey string, metadata map[string]any) {
	if actor == nil || s.audits == nil {
		return
	}
	event := actor.audit(action, "object_storage_object", 0, metadata)
	event.TargetID = targetKey
	_ = s.audits.Append(ctx, event)
}