import Dependencies
import DependenciesMacros

/// Provider-delivered notification events emitted by the host's platform delegate.
///
/// The platform adapter owns the event source. ``NotificationsFeature`` owns decoding the
/// provider payload and forwarding app-level content or source-available signals.
@DependencyClient
public struct NotificationEventClient: Sendable {
    public var events: @Sendable () async -> AsyncStream<NotificationEvent> = {
        AsyncStream { $0.finish() }
    }
}

extension NotificationEventClient: TestDependencyKey {
    public static var testValue: Self {
        Self(events: { AsyncStream { $0.finish() } })
    }
}

extension DependencyValues {
    public var notificationEventClient: NotificationEventClient {
        get { self[NotificationEventClient.self] }
        set { self[NotificationEventClient.self] = newValue }
    }
}