func incomingCall()

in AzureCommunicationUI/sdk/AzureCommunicationUICalling/Sources/Service/Calling/AzureCommunicationCalling/CallingSDKWrapper.swift [182:236]
52 lines of code
11 McCabe index (conditional complexity)

    func incomingCall(isCameraPreferred: Bool, isAudioPreferred: Bool) async throws {
        logger.debug( "incoming call")
        do {
            let callAgent = try await callingSDKInitializer.setupCallAgent()
            call = callAgent.calls.first
            // call is not accepted by callkit
            if call == nil && callingSDKInitializer.getIncomingCall()?.id == callConfiguration.callId {
                logger.debug( "accept incoming call")
                let options = AcceptCallOptions()
                let incomingVideoOptions = IncomingVideoOptions()
                incomingVideoOptions.streamType = .remoteIncoming

                if isCameraPreferred,
                   let localVideoStream = localVideoStream {
                    let localVideoStreamArray = [localVideoStream]

                    let videoOptions = OutgoingVideoOptions()
                    videoOptions.streams = localVideoStreamArray
                    options.outgoingVideoOptions = videoOptions
                }
                options.outgoingAudioOptions = OutgoingAudioOptions()
                options.outgoingAudioOptions?.muted = !isAudioPreferred
                options.incomingVideoOptions = incomingVideoOptions
                if let remoteInfo = callKitRemoteInfo {
                    let callKitRemoteInfo = AzureCommunicationCalling.CallKitRemoteInfo()
                        callKitRemoteInfo.displayName = remoteInfo.displayName
                        callKitRemoteInfo.handle = remoteInfo.handle
                    options.callKitRemoteInfo = callKitRemoteInfo
                }
                if let incomngCall = callingSDKInitializer.getIncomingCall() {
                    do {
                        call = try await incomngCall.accept(options: options)
                    } catch let error as NSError {
                        logger.debug( "call error \(error.localizedDescription) \(error.code)")
                        throw CallCompositeInternalError.callJoinFailed
                    }
                } else {
                    throw CallCompositeInternalError.callJoinFailed
                }
            } else {
                if call == nil || call?.id != callConfiguration.callId {
                    throw CallCompositeInternalError.callJoinFailed
                }
            }
            callingSDKInitializer.onIncomingCallAccpeted()
            if let callingEventsHandler = self.callingEventsHandler as? CallingSDKEventsHandler,
            let call = call {
                call.delegate = callingEventsHandler
            }
            setupFeatures()
        } catch {
            logger.error( "incoming call join failed")
            throw CallCompositeInternalError.callJoinFailed
        }
    }