func startCallComposite()

in AzureCommunicationUI/AzureCommunicationUIDemoApp/Sources/Views/CallingDemoView.swift [898:955]
57 lines of code
10 McCabe index (conditional complexity)

    func startCallComposite() async {
        let link = getMeetingLink()
        if let callComposite = try? await createCallComposite() {
            var localOptions = getLocalOptions(callComposite: callComposite)
            var remoteInfoDisplayName = envConfigSubject.callkitRemoteInfo
            if remoteInfoDisplayName.isEmpty {
                remoteInfoDisplayName = "ACS \(envConfigSubject.selectedMeetingType)"
            }
            let cxHandle = CXHandle(type: .generic, value: getCXHandleName())
            isIncomingCall = false
            let callKitRemoteInfo = $envConfigSubject.enableRemoteInfo.wrappedValue ?
            CallKitRemoteInfo(displayName: remoteInfoDisplayName,
                                     handle: cxHandle) : nil
            if envConfigSubject.useDeprecatedLaunch {
                try? await startCallWithDeprecatedLaunch()
            } else {
                switch envConfigSubject.selectedMeetingType {
                case .groupCall:
                    let uuid = UUID(uuidString: link) ?? UUID()
                    callComposite.launch(locator: .groupCall(groupId: uuid),
                                         callKitRemoteInfo: callKitRemoteInfo,
                                         localOptions: localOptions)
                case .teamsMeeting:
                    if !link.isEmpty {
                        callComposite.launch(locator: .teamsMeeting(teamsLink: link),
                                             callKitRemoteInfo: callKitRemoteInfo,
                                             localOptions: localOptions)
                    } else {
                        callComposite.launch(locator: .teamsMeetingId(meetingId:
                                                                        envConfigSubject.teamsMeetingId,
                                                                      meetingPasscode:
                                                                        envConfigSubject.teamsMeetingPasscode),
                                             callKitRemoteInfo: callKitRemoteInfo,
                                             localOptions: localOptions)
                    }

                case .oneToNCall:
                    let ids: [String] = link.split(separator: ",").map {
                        String($0).trimmingCharacters(in: .whitespacesAndNewlines)
                    }
                    let communicationIdentifiers: [CommunicationIdentifier] =
                    ids.map { createCommunicationIdentifier(fromRawId: $0) }
                    callComposite.launch(participants: communicationIdentifiers,
                                         callKitRemoteInfo: callKitRemoteInfo,
                                         localOptions: localOptions)
                case .roomCall:
                    callComposite.launch(
                        locator: .roomCall(roomId: link),
                        callKitRemoteInfo: callKitRemoteInfo,
                        localOptions: localOptions)
                }
            }
            callingViewModel.callComposite = callComposite
        } else {
            showError(for: DemoError.invalidToken.getErrorCode())
            return
        }
    }