public class TxClient

// Initialize the client
let telnyxClient = TxClient()

// Register to get SDK events
telnyxClient.delegate = self

// Setup yor connection parameters.

// Set the login credentials and the ringtone/ringback configurations if required.
// Ringtone / ringback tone files are not mandatory.
// You can user your sipUser and password
let txConfigUserAndPassowrd = TxConfig(sipUser: sipUser,
                                       password: password,
                                       ringtone: "incoming_call.mp3",
                                       ringBackTone: "ringback_tone.mp3",
                                       //You can choose the appropriate verbosity level of the SDK.
                                       //Logs are disabled by default
                                       logLevel: .all)

// Use a JWT Telnyx Token to authenticate (recommended)
let txConfigToken = TxConfig(token: "MY_JWT_TELNYX_TOKEN",
                             ringtone: "incoming_call.mp3",
                             ringBackTone: "ringback_tone.mp3",
                             //You can choose the appropriate verbosity level of the SDK. Logs are disabled by default
                             logLevel: .all)

do {
   // Connect and login
   // Use `txConfigUserAndPassowrd` or `txConfigToken`
   try telnyxClient.connect(txConfig: txConfigToken)
} catch let error {
   print("ViewController:: connect Error \(error)")
}

// You can call client.disconnect() when you're done.
Note: you need to relese the delegate manually when you are done.

// Disconnecting and Removing listeners.
telnyxClient.disconnect();

// Release the delegate
telnyxClient.delegate = nil

extension ViewController: TxClientDelegate {

    func onRemoteCallEnded(callId: UUID) {
        // Call has been removed internally.
    }

    func onSocketConnected() {
       // When the client has successfully connected to the Telnyx Backend.
    }

    func onSocketDisconnected() {
       // When the client from the Telnyx backend
    }

    func onClientError(error: Error)  {
        // Something went wrong.
    }

    func onClientReady()  {
       // You can start receiving incoming calls or
       // start making calls once the client was fully initialized.
    }

    func onSessionUpdated(sessionId: String)  {
       // This function will be executed when a sessionId is received.
    }

    func onIncomingCall(call: Call)  {
       // Someone is calling you.
    }

    // You can update your UI from here base on the call states.
    // Check that the callId is the same as your current call.
    func onCallStateUpdated(callState: CallState, callId: UUID) {
        DispatchQueue.main.async {
            switch (callState) {
            case .CONNECTING:
                break
            case .RINGING:
                break
            case .NEW:
                break
            case .ACTIVE:
                break
            case .DONE:
                break
            case .HELD:
                break
            }
        }
    }
}

public internal(set) var calls: [UUID: Call] = [UUID: Call]()

public weak var delegate: TxClientDelegate?

public let aiAssistantManager = AIAssistantManager()

public private(set) var isSpeakerEnabled: Bool

public var isAudioDeviceEnabled : Bool

extension CallKitProvider: CXProviderDelegate {
    func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
        telnyxClient.isAudioDeviceEnabled = true
    }

    func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
        telnyxClient.isAudioDeviceEnabled = false
    }
}

public var isRegistered: Bool

public func enableAudioSession(audioSession: AVAudioSession)

func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
    print("provider:didActivateAudioSession:")
    self.telnyxClient.enableAudioSession(audioSession: audioSession)
}

public func disableAudioSession(audioSession: AVAudioSession)

func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
    print("provider:didDeactivateAudioSession:")
    self.telnyxClient.disableAudioSession(audioSession: audioSession)
}

public init()

deinit

public func connect(txConfig: TxConfig, serverConfiguration: TxServerConfiguration = TxServerConfiguration()) throws

public func disconnect()

public func isConnected() -> Bool

public func answerFromCallkit(answerAction:CXAnswerCallAction,customHeaders:[String:String] = [:], debug:Bool = false)

extension CallKitProvider: CXProviderDelegate {
    func provider(_ provider: CXProvider, perform action: CXAnswerCallAction) {
        // Basic answer
        telnyxClient.answerFromCallkit(answerAction: action)

        // Answer with custom headers and debug mode
        telnyxClient.answerFromCallkit(
            answerAction: action,
            customHeaders: ["X-Custom-Header": "Value"],
            debug: true
        )
    }
}

public func endCallFromCallkit(endAction:CXEndCallAction,callId:UUID? = nil)

public func disablePushNotifications()

public func getSessionId() -> String

public func anonymousLogin(
    targetId: String, 
    targetType: String = "ai_assistant", 
    targetVersionId: String? = nil,
    userVariables: [String: Any] = [:],
    reconnection: Bool = false,
    serverConfiguration: TxServerConfiguration = TxServerConfiguration()
)

public func sendRingingAck(callId: String)

public func sendAIAssistantMessage(_ message: String) -> Bool

public func sendAIAssistantMessage(_ message: String, base64Images: [String]?, imageFormat: String = "jpeg") -> Bool