//

// DefaultRingtonePlaybackUseCase.swift

// Telephone

//

// Copyright © 2008-2016 Alexey Kuznetsov

// Copyright © 2016-2022 64 Characters

//

// Telephone is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Telephone is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU General Public License for more details.

//

import Foundation

public final class DefaultRingtonePlaybackUseCase: NSObject {

public static let interval: Double = 4

public var isPlaying: Bool { return ringtone != nil }

private let factory: RingtoneFactory

private var ringtone: Ringtone?

public init(factory: RingtoneFactory) {

self.factory = factory

}

}

extension DefaultRingtonePlaybackUseCase: RingtonePlaybackUseCase {

public func start() throws {

if ringtone == nil {

ringtone = try factory.makeRingtone(interval: DefaultRingtonePlaybackUseCase.interval)

}

ringtone!.startPlaying()

}

public func stop() {

ringtone?.stopPlaying()

ringtone = nil

}

}