client

type BucketInfo struct {
	Name         string
	CreationDate time.Time
}

type Client struct {
	// contains filtered or unexported fields
}

type Config struct {
	// Region is the AWS region for the S3 service.
	Region string

	// Endpoint is an optional custom endpoint URL for S3-compatible services (SeaweedFS, LocalStack, etc.).
	Endpoint string

	// AccessKeyID is the AWS access key ID. If empty, the SDK credential chain is used.
	AccessKeyID string

	// SecretAccessKey is the AWS secret access key.
	SecretAccessKey string

	// SessionToken is an optional session token for temporary credentials.
	SessionToken string

	// Profile is an optional AWS profile name to use from shared credentials/config.
	Profile string

	// UsePathStyle enables path-style addressing instead of virtual-hosted style.
	// Required for some S3-compatible services like SeaweedFS.
	UsePathStyle bool

	// Timeout is the timeout for S3 operations.
	Timeout time.Duration

	// Name is an optional identifier for this connection (used in multi-connection setups).
	Name string

	// DisableSSL disables SSL/TLS for the connection (useful for local development).
	DisableSSL bool
}

type CopyObjectInput struct {
	SourceBucket string
	SourceKey    string
	DestBucket   string
	DestKey      string
	Metadata     map[string]string
}

type CopyObjectOutput struct {
	ETag         string
	LastModified time.Time
	VersionID    string
}

type ListObjectsOutput struct {
	Objects           []ObjectInfo
	CommonPrefixes    []string
	IsTruncated       bool
	NextContinueToken string
	KeyCount          int32
}

type ObjectContent struct {
	Key          string
	Body         []byte
	ContentType  string
	Size         int64
	LastModified time.Time
	ETag         string
	Metadata     map[string]string
}

type ObjectInfo struct {
	Key          string
	Size         int64
	LastModified time.Time
	ETag         string
	StorageClass string
}

type ObjectMetadata struct {
	Key           string
	Size          int64
	LastModified  time.Time
	ETag          string
	ContentType   string
	ContentLength int64
	Metadata      map[string]string
}

type PresignAPI interface {
	PresignGetObject(ctx context.Context, params *s3.GetObjectInput, optFns ...func(*s3.PresignOptions)) (*v4.PresignedHTTPRequest, error)
	PresignPutObject(ctx context.Context, params *s3.PutObjectInput, optFns ...func(*s3.PresignOptions)) (*v4.PresignedHTTPRequest, error)
}

type PresignedURL struct {
	URL       string
	Method    string
	ExpiresAt time.Time
}

type PutObjectInput struct {
	Bucket      string
	Key         string
	Body        []byte
	ContentType string
	Metadata    map[string]string
}

type PutObjectOutput struct {
	ETag      string
	VersionID string
}

type S3API interface {
	ListBuckets(ctx context.Context, params *s3.ListBucketsInput, optFns ...func(*s3.Options)) (*s3.ListBucketsOutput, error)
	ListObjectsV2(ctx context.Context, params *s3.ListObjectsV2Input, optFns ...func(*s3.Options)) (*s3.ListObjectsV2Output, error)
	GetObject(ctx context.Context, params *s3.GetObjectInput, optFns ...func(*s3.Options)) (*s3.GetObjectOutput, error)
	HeadObject(ctx context.Context, params *s3.HeadObjectInput, optFns ...func(*s3.Options)) (*s3.HeadObjectOutput, error)
	PutObject(ctx context.Context, params *s3.PutObjectInput, optFns ...func(*s3.Options)) (*s3.PutObjectOutput, error)
	DeleteObject(ctx context.Context, params *s3.DeleteObjectInput, optFns ...func(*s3.Options)) (*s3.DeleteObjectOutput, error)
	CopyObject(ctx context.Context, params *s3.CopyObjectInput, optFns ...func(*s3.Options)) (*s3.CopyObjectOutput, error)
}