package notify

import "context"

func (s *ServerCommon) DebugMode(dmg bool) {
	s.mu.Lock()
	s.debugMode = dmg
	s.mu.Unlock()
}

func (s *ServerCommon) IsDebugMode() bool {
	s.mu.RLock()
	defer s.mu.RUnlock()
	return s.debugMode
}

func (s *ServerCommon) ShowError(std bool) {
	s.mu.Lock()
	s.showError = std
	s.mu.Unlock()
}

func (s *ServerCommon) Stop() error {
	if !sessionIsAlive(&s.alive) {
		return nil
	}
	s.markSessionStopped("recv stop signal from user", nil)
	return nil
}

// Deprecated: SetDefaultCommEncode overrides the transport codec directly.
// Prefer UseModernPSKServer or UseLegacySecurityServer.
func (s *ServerCommon) SetDefaultCommEncode(fn func([]byte, []byte) []byte) {
	profile := transportProtectionProfile{
		mode:      ProtectionManaged,
		msgEn:     fn,
		msgDe:     s.defaultMsgDe,
		secretKey: s.SecretKey,
	}
	s.setServerDefaultTransportProtectionProfile(profile)
	s.clearServerSecurityProfiles()
	s.securityReadyCheck = false
}

// Deprecated: SetDefaultCommDecode overrides the transport codec directly.
// Prefer UseModernPSKServer or UseLegacySecurityServer.
func (s *ServerCommon) SetDefaultCommDecode(fn func([]byte, []byte) []byte) {
	profile := transportProtectionProfile{
		mode:      ProtectionManaged,
		msgEn:     s.defaultMsgEn,
		msgDe:     fn,
		secretKey: s.SecretKey,
	}
	s.setServerDefaultTransportProtectionProfile(profile)
	s.clearServerSecurityProfiles()
	s.securityReadyCheck = false
}

func (s *ServerCommon) SetDefaultLink(fn func(message *Message)) {
	s.defaultFns = fn
}

func (s *ServerCommon) SetLink(key string, fn func(*Message)) {
	s.mu.Lock()
	defer s.mu.Unlock()
	s.linkFns[key] = fn
}

func (s *ServerCommon) SetFileHandler(fn func(FileEvent)) {
	s.mu.Lock()
	defer s.mu.Unlock()
	s.onFileEvent = normalizeFileEventCallback(fn)
}

func (s *ServerCommon) SetFileReceiveDir(dir string) error {
	return s.getFileReceivePool().setDir(dir)
}

func (s *ServerCommon) SetTransferResumeStore(store TransferResumeStore) {
	if runtime := s.getTransferRuntime(); runtime != nil {
		runtime.setResumeStore(store)
	}
}

func (s *ServerCommon) RecoverTransferSnapshots(ctx context.Context) error {
	if runtime := s.getTransferRuntime(); runtime != nil {
		return runtime.recover(ctx)
	}
	return nil
}

func (s *ServerCommon) StopMonitorChan() <-chan struct{} {
	return sessionStopChan(s.serverStopContextSnapshot())
}

func (s *ServerCommon) Status() Status {
	return sessionStatusValue(&s.mu, &s.status)
}

func (s *ServerCommon) GetSecretKey() []byte {
	return s.SecretKey
}

// Deprecated: SetSecretKey injects a raw transport key directly.
// Prefer UseModernPSKServer or UseLegacySecurityServer.
func (s *ServerCommon) SetSecretKey(key []byte) {
	profile := transportProtectionProfile{
		mode:      ProtectionManaged,
		msgEn:     s.defaultMsgEn,
		msgDe:     s.defaultMsgDe,
		secretKey: cloneTransportProtectionKey(key),
	}
	if len(key) == 0 {
		profile.runtime = nil
	} else if runtime, err := newModernPSKCodecRuntime(key, defaultModernPSKAAD); err == nil {
		profile.runtime = runtime
	} else {
		profile.runtime = nil
	}
	s.setServerDefaultTransportProtectionProfile(profile)
	s.clearServerSecurityProfiles()
	s.securityReadyCheck = len(key) == 0
}

// Deprecated: RsaPrivKey exposes the legacy RSA handshake key. Prefer UseModernPSKServer.
func (s *ServerCommon) RsaPrivKey() []byte {
	return s.handshakeRsaKey
}

// Deprecated: SetRsaPrivKey configures the legacy RSA handshake key. Prefer UseModernPSKServer.
func (s *ServerCommon) SetRsaPrivKey(key []byte) {
	s.handshakeRsaKey = key
}

func (s *ServerCommon) GetSequenceEn() func(interface{}) ([]byte, error) {
	return s.sequenceEn
}

func (s *ServerCommon) SetSequenceEn(fn func(interface{}) ([]byte, error)) {
	s.sequenceEn = fn
}

func (s *ServerCommon) GetSequenceDe() func([]byte) (interface{}, error) {
	return s.sequenceDe
}

func (s *ServerCommon) SetSequenceDe(fn func([]byte) (interface{}, error)) {
	s.sequenceDe = fn
}

func (s *ServerCommon) HeartbeatTimeoutSec() int64 {
	return s.maxHeartbeatLostSeconds
}

func (s *ServerCommon) SetHeartbeatTimeoutSec(sec int64) {
	s.mu.Lock()
	defer s.mu.Unlock()
	s.maxHeartbeatLostSeconds = sec
}

func (s *ServerCommon) DetachedClientKeepSec() int64 {
	s.mu.RLock()
	defer s.mu.RUnlock()
	return s.detachedClientKeepSeconds
}

func (s *ServerCommon) SetDetachedClientKeepSec(sec int64) {
	if sec < 0 {
		sec = 0
	}
	s.mu.Lock()
	defer s.mu.Unlock()
	s.detachedClientKeepSeconds = sec
}