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sillytavern
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import { getApiUrl, doExtrasFetch } from "../../extensions.js";
export { VoskSttProvider }

const DEBUG_PREFIX = "<Speech Recognition module (Vosk)> "

class VoskSttProvider {
    //########//
    // Config //
    //########//

    settings

    defaultSettings = {
    }

    get settingsHtml() {
        let html = ""
        return html
    }

    onSettingsChange() {
        // Used when provider settings are updated from UI
    }

    loadSettings(settings) {
        // Populate Provider UI given input settings
        if (Object.keys(settings).length == 0) {
            console.debug(DEBUG_PREFIX+"Using default vosk STT extension settings")
        }

        // Only accept keys defined in defaultSettings
        this.settings = this.defaultSettings

        for (const key in settings){
            if (key in this.settings){
                this.settings[key] = settings[key]
            } else {
                throw `Invalid setting passed to STT extension: ${key}`
            }
        }

        console.debug(DEBUG_PREFIX+"Vosk STT settings loaded")
    }

    async processAudio(audioblob) {
        var requestData = new FormData();
        requestData.append('AudioFile', audioblob, 'record.wav');
        
        const url = new URL(getApiUrl());
        url.pathname = '/api/speech-recognition/vosk/process-audio';

        const apiResult = await doExtrasFetch(url, {
            method: 'POST',
            body: requestData,
        });

        if (!apiResult.ok) {
            toastr.error(apiResult.statusText, 'STT Generation Failed  (Vosk)', { timeOut: 10000, extendedTimeOut: 20000, preventDuplicates: true });
            throw new Error(`HTTP ${apiResult.status}: ${await apiResult.text()}`);
        }
        
        const result = await apiResult.json();
        return  result.transcript;
    }
}