import { DeepPartial, STT } from '@micdrop/server';
import { Readable } from 'stream';

type GladiaLanguages = 'af' | 'sq' | 'am' | 'ar' | 'hy' | 'as' | 'az' | 'ba' | 'eu' | 'be' | 'bn' | 'bs' | 'br' | 'bg' | 'ca' | 'zh' | 'hr' | 'cs' | 'da' | 'nl' | 'en' | 'et' | 'fo' | 'fi' | 'fr' | 'gl' | 'ka' | 'de' | 'el' | 'gu' | 'ht' | 'ha' | 'haw' | 'he' | 'hi' | 'hu' | 'is' | 'id' | 'it' | 'ja' | 'jv' | 'kn' | 'kk' | 'km' | 'ko' | 'lo' | 'la' | 'lv' | 'ln' | 'lt' | 'lb' | 'mk' | 'mg' | 'ms' | 'ml' | 'mt' | 'mi' | 'mr' | 'mn' | 'mymr' | 'ne' | 'no' | 'nn' | 'oc' | 'ps' | 'fa' | 'pl' | 'pt' | 'pa' | 'ro' | 'ru' | 'sa' | 'sr' | 'sn' | 'sd' | 'si' | 'sk' | 'sl' | 'so' | 'es' | 'su' | 'sw' | 'sv' | 'tl' | 'tg' | 'ta' | 'tt' | 'te' | 'th' | 'bo' | 'tr' | 'tk' | 'uk' | 'ur' | 'uz' | 'vi' | 'cy' | 'yi' | 'yo' | 'jp';
interface GladiaLiveSessionPayload {
    encoding: 'wav/pcm' | 'wav/alaw' | 'wav/ulaw';
    sample_rate: 8000 | 16000 | 32000 | 44100 | 48000;
    bit_depth: 8 | 16 | 24 | 32;
    channels: number;
    custom_metadata: Record<string, any>;
    model: 'solaria-1';
    endpointing: number;
    maximum_duration_without_endpointing: number;
    language_config: {
        languages: GladiaLanguages[];
        code_switching: boolean;
    };
    pre_processing: {
        audio_enhancer: boolean;
        speech_threshold: number;
    };
    realtime_processing: {
        words_accurate_timestamps: boolean;
        custom_vocabulary: boolean;
        custom_vocabulary_config: {
            vocabulary: Array<string | {
                value: string;
                pronunciations?: string[];
                intensity?: number;
                language?: GladiaLanguages;
            }>;
            default_intensity: number;
        };
        custom_spelling: boolean;
        custom_spelling_config: {
            spelling_dictionary: {
                [key: string]: string[];
            };
        };
        translation: boolean;
        translation_config: {
            target_languages: GladiaLanguages[];
            model: 'base' | 'enhanced';
            match_original_utterances: boolean;
            lipsync: boolean;
            context_adaptation: boolean;
            context: string;
        };
        named_entity_recognition: boolean;
        sentiment_analysis: boolean;
    };
    post_processing: {
        summarization: boolean;
        summarization_config: {
            type: 'general' | 'bullet_points' | 'concise';
        };
        chapterization: boolean;
    };
    messages_config: {
        receive_final_transcripts: boolean;
        receive_speech_events: boolean;
        receive_pre_processing_events: boolean;
        receive_realtime_processing_events: boolean;
        receive_post_processing_events: boolean;
        receive_acknowledgments: boolean;
        receive_errors: boolean;
        receive_lifecycle_events: boolean;
    };
    callback: boolean;
    callback_config: {
        url: string;
        receive_final_transcripts: boolean;
        receive_speech_events: boolean;
        receive_pre_processing_events: boolean;
        receive_realtime_processing_events: boolean;
        receive_post_processing_events: boolean;
        receive_acknowledgments: boolean;
        receive_errors: boolean;
        receive_lifecycle_events: boolean;
    };
}

/**
 * Gladia Real-time V2 STT
 *
 * @see https://docs.gladia.io/chapters/live-stt/getting-started
 */
interface GladiaSTTOptions {
    apiKey: string;
    settings?: DeepPartial<GladiaLiveSessionPayload>;
}
declare class GladiaSTT extends STT {
    private options;
    private socket?;
    private initPromise;
    private reconnectTimeout?;
    private audioChunksPending;
    constructor(options: GladiaSTTOptions);
    transcribe(audioStream: Readable): void;
    destroy(): void;
    private getURL;
    private initWS;
    private reconnect;
    private sendSilence;
}

export { type GladiaLanguages, type GladiaLiveSessionPayload, GladiaSTT, type GladiaSTTOptions };