/*

 Copyright (C) 2017 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Demonstrates the APIs to check and request access to the microphone.

 */

import Foundation

import AVFoundation

class MicrophoneAccessProvider: NSObject {

    let audioSession = AVAudioSession.sharedInstance()

}

extension MicrophoneAccessProvider: PrivateDataAccessProvider {

    var accessLevel: PrivateDataAccessLevel {

        return audioSession.recordPermission().accessLevel

    }

    func requestAccess(completionHandler: @escaping (PrivateDataRequestAccessResult) -> Void) {

        audioSession.requestRecordPermission { (granted) in

            if granted {

                // Setting the category will also request access from the user.

                do {

                    try self.audioSession.setCategory(AVAudioSessionCategoryPlayAndRecord)

                    // Do something with the audio session.

                } catch let error {

                    debugPrint(error)

                }

            } else {

                // Handle denied access gracefully.

            }

            DispatchQueue.main.async {

                completionHandler(PrivateDataRequestAccessResult(self.accessLevel))

            }

        }

    }

}

extension AVAudioSessionRecordPermission: PrivateDataAccessLevelConvertible {

    var accessLevel: PrivateDataAccessLevel {

        switch self {

        case .denied:

            return .denied

        case .undetermined:

            return .undetermined

        case .granted:

            return .granted

        }

    }

}