import Domain
import Foundation

public struct OutputDeviceInfo: Hashable, Sendable {
    public var id: UInt32
    public var name: String
    public var nominalRate: Double
    public var availableRates: [Double]

    public init(id: UInt32, name: String, nominalRate: Double, availableRates: [Double]) {
        self.id = id
        self.name = name
        self.nominalRate = nominalRate
        self.availableRates = availableRates
    }
}

public struct SampleRateMatcher: Sendable {
    public var isEnabled: Bool

    public init(isEnabled: Bool) {
        self.isEnabled = isEnabled
    }

    public func targetRate(for format: AudioFormat?, on device: OutputDeviceInfo?) -> Double? {
        guard isEnabled, let device, let rate = format?.sampleRate.map(Double.init) else { return nil }
        guard rate != device.nominalRate, device.availableRates.contains(rate) else { return nil }
        return rate
    }
}

public protocol PlaybackTuning: Sendable {
    func setMatchesSampleRate(_ isOn: Bool) async
}