import Foundation
import Observation
import Recording

extension ContentView {

    /// The observable model that drives ``ContentView``.
    ///
    /// The model owns the recording and transcribing services attached to the recording feature, and holds the transcription currently
    /// presented in the view's modal sheet: ``received(_:)`` wraps the transcribed text of a processed recording for presentation, and
    /// ``dismissed()`` clears it when the sheet closes.
    @MainActor
    @Observable
    final class Model {

        // MARK: Properties

        /// The transcription currently presented in the modal sheet, or `nil` when none is shown.
        var transcription: Transcription?

        /// The service that captures the audio from the device's microphone.
        @ObservationIgnored
        let recorder = AudioRecordingService()

        /// The service that transcribes the recorded audio into text on device.
        @ObservationIgnored
        let transcriber = AudioTranscribing()

        // MARK: Methods

        /// Handles the transcribed text of a processed recording, presenting it in the modal sheet.
        ///
        /// - Parameter text: The transcribed text of the processed recording.
        func received(
            _ text: String
        ) {
            transcription = .init(text: text)
        }

        /// Handles the dismissal of the modal sheet.
        func dismissed() {
            transcription = nil
        }

    }

}