package notify

import (
	"context"
	"net"
	"time"
)

type Server interface {
	// Deprecated: SetDefaultCommEncode overrides the transport codec directly.
	// Prefer UseModernPSKServer or UseLegacySecurityServer.
	SetDefaultCommEncode(func([]byte, []byte) []byte)
	// Deprecated: SetDefaultCommDecode overrides the transport codec directly.
	// Prefer UseModernPSKServer or UseLegacySecurityServer.
	SetDefaultCommDecode(func([]byte, []byte) []byte)
	SetDefaultLink(func(message *Message))
	SetLink(string, func(*Message))
	SetFileHandler(func(FileEvent))
	SetStreamHandler(func(StreamAcceptInfo) error)
	SetRecordStreamHandler(func(RecordAcceptInfo) error)
	SetBulkHandler(func(BulkAcceptInfo) error)
	SetTransferHandler(func(TransferAcceptInfo) (TransferReceiveOptions, error))
	GetStreamConfig() StreamConfig
	SetStreamConfig(StreamConfig)
	SetTransferResumeStore(TransferResumeStore)
	RecoverTransferSnapshots(context.Context) error
	SetFileReceiveDir(dir string) error
	send(c *ClientConn, msg TransferMsg) (WaitMsg, error)
	sendEnvelope(c *ClientConn, env Envelope) error
	sendWait(c *ClientConn, msg TransferMsg, timeout time.Duration) (Message, error)
	OpenStreamLogical(ctx context.Context, c *LogicalConn, opt StreamOpenOptions) (Stream, error)
	OpenStreamTransport(ctx context.Context, t *TransportConn, opt StreamOpenOptions) (Stream, error)
	OpenRecordStreamLogical(ctx context.Context, c *LogicalConn, opt RecordOpenOptions) (RecordStream, error)
	OpenRecordStreamTransport(ctx context.Context, t *TransportConn, opt RecordOpenOptions) (RecordStream, error)
	OpenBulkLogical(ctx context.Context, c *LogicalConn, opt BulkOpenOptions) (Bulk, error)
	OpenBulkTransport(ctx context.Context, t *TransportConn, opt BulkOpenOptions) (Bulk, error)
	SendTransferLogical(ctx context.Context, c *LogicalConn, opt TransferSendOptions) (TransferHandle, error)
	SendTransferTransport(ctx context.Context, t *TransportConn, opt TransferSendOptions) (TransferHandle, error)
	SendObjCtxLogical(ctx context.Context, c *LogicalConn, key string, val interface{}) (Message, error)
	SendObjLogical(c *LogicalConn, key string, val interface{}) error
	SendLogical(c *LogicalConn, key string, value MsgVal) error
	SendWaitLogical(c *LogicalConn, key string, value MsgVal, timeout time.Duration) (Message, error)
	SendWaitObjLogical(c *LogicalConn, key string, value interface{}, timeout time.Duration) (Message, error)
	SendCtxLogical(ctx context.Context, c *LogicalConn, key string, value MsgVal) (Message, error)
	SendObjCtxTransport(ctx context.Context, t *TransportConn, key string, val interface{}) (Message, error)
	SendObjTransport(t *TransportConn, key string, val interface{}) error
	SendTransport(t *TransportConn, key string, value MsgVal) error
	SendWaitTransport(t *TransportConn, key string, value MsgVal, timeout time.Duration) (Message, error)
	SendWaitObjTransport(t *TransportConn, key string, value interface{}, timeout time.Duration) (Message, error)
	SendCtxTransport(ctx context.Context, t *TransportConn, key string, value MsgVal) (Message, error)
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	SendObjCtx(ctx context.Context, c *ClientConn, key string, val interface{}) (Message, error)
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	SendObj(c *ClientConn, key string, val interface{}) error
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	Send(c *ClientConn, key string, value MsgVal) error
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	SendWait(c *ClientConn, key string, value MsgVal, timeout time.Duration) (Message, error)
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	SendWaitObj(c *ClientConn, key string, value interface{}, timeout time.Duration) (Message, error)
	// Deprecated: prefer the LogicalConn/TransportConn variants.
	SendCtx(ctx context.Context, c *ClientConn, key string, value MsgVal) (Message, error)
	Reply(m Message, value MsgVal) error
	pushMessage([]byte, string)
	removeLogical(logical *LogicalConn)
	removeClient(client *ClientConn)
	Listen(network string, addr string) error
	ListenByListener(listener net.Listener) error
	Stop() error
	StopMonitorChan() <-chan struct{}
	Status() Status

	GetSecretKey() []byte
	// Deprecated: SetSecretKey injects a raw transport key directly.
	// Prefer UseModernPSKServer or UseLegacySecurityServer.
	SetSecretKey(key []byte)
	// Deprecated: RsaPrivKey exposes the legacy RSA handshake key. Prefer UseModernPSKServer.
	RsaPrivKey() []byte
	// Deprecated: SetRsaPrivKey configures the legacy RSA handshake key. Prefer UseModernPSKServer.
	SetRsaPrivKey([]byte)

	GetLogicalConn(id string) *LogicalConn
	GetLogicalConnList() []*LogicalConn
	GetCurrentTransportConn(id string) *TransportConn
	GetCurrentTransportConnByLogical(c *LogicalConn) *TransportConn
	GetCurrentTransportConnList() []*TransportConn
	// Deprecated: prefer GetLogicalConn.
	GetClient(id string) *ClientConn
	// Deprecated: prefer GetLogicalConnList.
	GetClientLists() []*ClientConn
	GetClientAddrs() []net.Addr

	GetSequenceEn() func(interface{}) ([]byte, error)
	SetSequenceEn(func(interface{}) ([]byte, error))
	GetSequenceDe() func([]byte) (interface{}, error)
	SetSequenceDe(func([]byte) (interface{}, error))
	ShowError(bool)
	DebugMode(bool)
	IsDebugMode() bool

	HeartbeatTimeoutSec() int64
	SetHeartbeatTimeoutSec(int64)
	DetachedClientKeepSec() int64
	SetDetachedClientKeepSec(int64)
	SendFileLogical(ctx context.Context, c *LogicalConn, filePath string) error
	SendFileTransport(ctx context.Context, t *TransportConn, filePath string) error
	// Deprecated: prefer SendFileLogical or SendFileTransport.
	SendFile(ctx context.Context, c *ClientConn, filePath string) error
}