import { ChatScreenplay, voiceEngineType } from '../../types';
/**
 * Voice service settings options
 */
export interface VoiceServiceOptions {
    /** Speaker ID */
    speaker: string;
    /** Engine type (voicevox, voicepeak, openai, nijivoice, aivisSpeech) */
    engineType: voiceEngineType;
    /** API key (if needed) */
    apiKey?: string;
    /** Audio playback callback */
    onPlay?: (audioBuffer: ArrayBuffer, options?: AudioPlayOptions) => Promise<void>;
    /** Audio playback complete callback */
    onComplete?: () => void;
    /** Custom VOICEVOX API endpoint URL */
    voicevoxApiUrl?: string;
    /** Custom VOICEPEAK API endpoint URL */
    voicepeakApiUrl?: string;
    /** Custom AIVIS SPEECH API endpoint URL */
    aivisSpeechApiUrl?: string;
}
/**
 * Audio playback options
 */
export interface AudioPlayOptions {
    /** ID of HTML element to play audio */
    audioElementId?: string;
    /** Enable animation processing */
    enableAnimation?: boolean;
}
/**
 * Voice service interface
 */
export interface VoiceService {
    /**
     * Speak screenplay as audio
     * @param screenplay Screenplay (text and emotion)
     * @param options Audio playback options (default settings if omitted)
     */
    speak(screenplay: ChatScreenplay, options?: AudioPlayOptions): Promise<void>;
    /**
     * Speak text as audio
     * @param text Text to speak
     * @param options Audio playback options (default settings if omitted)
     */
    speakText(text: string, options?: AudioPlayOptions): Promise<void>;
    /**
     * Get whether currently playing
     */
    isPlaying(): boolean;
    /**
     * Stop playback
     */
    stop(): void;
    /**
     * Update service settings
     * @param options New settings options
     */
    updateOptions(options: Partial<VoiceServiceOptions>): void;
}