1var e=Object.defineProperty,t=Object.defineProperties,i=Object.getOwnPropertyDescriptors,s=Object.getOwnPropertySymbols,n=Object.prototype.hasOwnProperty,a=Object.prototype.propertyIsEnumerable,r=(t,i,s)=>i in t?e(t,i,{enumerable:!0,configurable:!0,writable:!0,value:s}):t[i]=s,o=(e,t)=>{for(var i in t||(t={}))n.call(t,i)&&r(e,i,t[i]);if(s)for(var i of s(t))a.call(t,i)&&r(e,i,t[i]);return e},l=(e,s)=>t(e,i(s)),c=(e,t,i)=>new Promise((s,n)=>{var a=e=>{try{o(i.next(e))}catch(t){n(t)}},r=e=>{try{o(i.throw(e))}catch(t){n(t)}},o=e=>e.done?s(e.value):Promise.resolve(e.value).then(a,r);o((i=i.apply(e,t)).next())});import{A as u,D as h,o as d,C as m,_ as p,i as g,u as f}from"./index-CoMAdSaI.js";import{r as y,j as b,g as w}from"./react-vendor-73cbJX8F.js";import{m as k}from"./SocraticTutor-D1PWsSJQ.js";var v={};const x=new class{constructor(){this.cache=new Map,this.cacheTimeout=18e5,this.musicCategories={classical:["orchestra","symphony","classical music","concert 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t=u||"https://www.thediscourse.ai",i=o({},e),s=["upload.wikimedia.org","pixabay.com","wikipedia.org"].some(e=>i.url.includes(e)),n=i.url.includes("/api/image/fast")||i.url.includes("/api/image/proxy");return s&&!n?i.url=`${t}/api/image/fast?url=${encodeURIComponent(i.url)}`:i.url.startsWith("/api/")?i.url=`${t}${i.url}`:0===i.url.indexOf("https://api.thediscourse.ai/api/image/")&&(i.url=i.url.replace("https://api.thediscourse.ai",t)),i.pageURL&&"string"==typeof i.pageURL&&0===i.pageURL.indexOf("https://api.thediscourse.ai/api/image/")&&(i.pageURL=i.pageURL.replace("https://api.thediscourse.ai",t)),i}detectMusicCategory(e,t=""){const i=`${e} ${t}`.toLowerCase();for(const[n,a]of Object.entries(this.musicCategories))for(const e of a)if(i.includes(e.toLowerCase()))return n;const s=["music","musical","melody","rhythm","harmony","composition","performance","concert","song","tune","note","scale","chord","tempo","beat","pitch","sound","audio"];for(const n of 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1if(!s.ok)throw new Error(`Pixabay API error: ${s.status}`);const n=yield s.json();if(n.hits&&n.hits.length>0){const t=n.hits.filter(e=>{var t;const i=(e.tags||"").toLowerCase(),s=(null==(t=(e.tags||"").split(",")[0])?void 0:t.toLowerCase())||"";return["music","musical","instrument","concert","performance","band","orchestra","singer","song"].some(e=>i.includes(e)||s.includes(e))});if(t.length>0){const i=t[0];return{url:i.webformatURL,title:i.tags||e,pageURL:i.pageURL,attribution:"Pixabay",uploader:i.user,description:i.tags||e}}}return null}catch(t){return null}})}getMusicFallback(e="general"){const t=this.musicFallbacks[e]||this.musicFallbacks.general,i=Math.floor(Math.random()*t.length);return this.normalizeImageResult(t[i])}forceImageReplacement(e,t,i){return c(this,arguments,function*(e,t,i,s=[],n=[]){const a=this.getCacheKey(e,t,i);return this.cache.delete(a),yield this.searchMusicImages(e,t,i,s,n)})}getCacheKey(e,t,i){return`music_image_${t}_${i}_${e.replace(/[^a-zA-Z0-9]/g,"_").substring(0,50)}`}getFromCache(e){const t=this.cache.get(e);return t&&Date.now()-t.timestamp<this.cacheTimeout?t.data:(t&&this.cache.delete(e),null)}setCache(e,t){if(this.cache.set(e,{data:t,timestamp:Date.now()}),this.cache.size>100){const e=this.cache.keys().next().value;this.cache.delete(e)}}clearCache(){this.cache.clear()}getCacheStats(){return{size:this.cache.size,maxSize:100,timeout:this.cacheTimeout}}};var S={};const C={cache:new Map,cacheTimeout:18e5,fallbackImages:{history:[{url:"https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Pantheon_Rome.jpg/800px-Pantheon_Rome.jpg",title:"Ancient Historical Architecture",pageURL:"https://commons.wikimedia.org/wiki/File:Pantheon_Rome.jpg",attribution:"Wikimedia 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t?Date.now()>t.expiresAt?(this.delete(e),this.stats.misses++,this.updateStats(),null):(t.accessCount++,t.lastAccessed=Date.now(),this.stats.hits++,this.updateStats(),this.cache.get(e)):(this.stats.misses++,this.updateStats(),null)}delete(e){const t=this.metadata.get(e);return t&&(this.currentMemory-=t.size,this.stats.deletes++),this.cache.delete(e),this.metadata.delete(e),this.updateStats(),!0}has(e){const t=this.metadata.get(e);return!!t&&(!(Date.now()>t.expiresAt)||(this.delete(e),!1))}clear(){this.cache.clear(),this.metadata.clear(),this.currentMemory=0,this.updateStats()}getStats(){const e=this.stats.hits+this.stats.misses>0?(this.stats.hits/(this.stats.hits+this.stats.misses)*100).toFixed(2):0;return l(o({},this.stats),{hitRate:`${e}%`,size:this.cache.size,memoryUsage:this.formatBytes(this.currentMemory),maxMemory:this.formatBytes(this.maxMemory),memoryUsagePercent:(this.currentMemory/this.maxMemory*100).toFixed(2)})}keys(e=null){const t=Array.from(this.cache.keys());if(!e)return 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1{let t=null,i=null,s=0;const n=()=>{t&&(clearTimeout(t),t=null),i&&(clearInterval(i),i=null);try{window.speechSynthesis.removeEventListener("voiceschanged",r)}catch(Ue){}},a=()=>{s++;try{if(!window.speechSynthesis)return!1;const t=window.speechSynthesis.getVoices();if(t&&t.length>0)return n(),e(t),!0}catch(Ue){return!1}return!1};if(a())return;i=setInterval(()=>{(a()||s>=50)&&(clearInterval(i),i=null)},500);const r=()=>{a()&&n()};try{window.speechSynthesis.addEventListener("voiceschanged",r)}catch(Ue){}t=setTimeout(()=>{n();try{const t=window.speechSynthesis.getVoices();e(t||[])}catch(Ue){e([])}},1e4)})})}getInitConfig(){const e={volume:1,splitSentences:!1,listeners:{onvoiceschanged:e=>{e&&e.length},onstart:()=>{this.isStopped||(this.wasManuallyPaused?(this.isPlaying=!1,this.isPaused=!0):(this.isPlaying=!0,this.isPaused=!1),this.speakingStartTime=Date.now(),this.lastStartTime=Date.now(),this.startHeartbeat())},onend:()=>{this.isStopped||(this.isPlaying=!1,this.isPaused=!1,this.finishedNormally=!0)},onpause:()=>{this.isPaused=!0,this.isPlaying=!1,this.stopHeartbeat()},onresume:()=>{this.isStopped||(this.isPaused=!1,this.isPlaying=!0)},onerror:e=>{this.stopHeartbeat(),this.handleSpeechError(e)}}};switch(this.initializationAttempts){case 1:return this.isWindowsPackagedRuntime?l(o({},e),{lang:"en-US",rate:1.05,pitch:1,voice:this.selectBestVoice(["Microsoft","en-US","en-GB","en"])}):l(o({},e),{lang:"en-GB",rate:.9,pitch:1,voice:this.selectBestVoice(["Google UK English Female","en-GB","en"])});case 2:return l(o({},e),{lang:"en-US",rate:1,pitch:1,voice:this.selectBestVoice(["Google US English","en-US","en"])});default:return l(o({},e),{lang:"en",rate:1,pitch:1,voice:this.selectBestVoice(["en"]),volume:.8})}}selectBestVoice(e){try{const t=window.speechSynthesis.getVoices();if(!t||0===t.length)return null;for(const s of e){const e=t.find(e=>e.name.includes(s)||e.lang.startsWith(s)||e.lang===s);if(e)return e.name}const i=t.find(e=>e.lang.startsWith("en"));return i?i.name:t[0].name}catch(Ue){return null}}handleSpeechError(e){switch(this.categorizeError(e)){case Z:break;case Q:this.isInitialized=!1,this.initSpeech();break;default:this.errorCount++}}categorizeError(e){const t=e.error||e;return"interrupted"===t||"canceled"===t?Z:"not-allowed"===t||"network"===t?Y:"voice-not-found"===t||"voice-unavailable"===t?Q:X}cleanTextForTTS(e){return e?e.replace(/<[^>]*>/g,"").replace(/&[a-zA-Z0-9#]+;/g,"").replace(/\*\*(.*?)\*\*/g,"$1").replace(/\*(.*?)\*/g,"$1").replace(/`(.*?)`/g,"$1").replace(/~~(.*?)~~/g,"$1").replace(/\[(.*?)\]\(.*?\)/g,"$1").replace(/!\[(.*?)\]\(.*?\)/g,"$1").replace(/<strong>(.*?)<\/strong>/gi,"$1").replace(/<b>(.*?)<\/b>/gi,"$1").replace(/<em>(.*?)<\/em>/gi,"$1").replace(/<i>(.*?)<\/i>/gi,"$1").replace(/<code>(.*?)<\/code>/gi,"$1").replace(/<pre>(.*?)<\/pre>/gi,"$1").replace(/<p[^>]*>(.*?)<\/p>/gi,"$1").replace(/<div[^>]*>(.*?)<\/div>/gi,"$1").replace(/<span[^>]*>(.*?)<\/span>/gi,"$1").replace(/^#{1,6}\s+(.*?)$/gm,"$1. ").replace(/^[\s]*[*+-]\s+(.*?)$/gm,"$1. ").replace(/^[\s]*\d+\.\s+(.*?)$/gm,"$1. ").replace(/^>\s+(.*?)$/gm,"$1. ").replace(/```[\s\S]*?```/g,"").replace(/`([^`]+)`/g,"$1").replace(/\n{3,}/g,"\n\n").replace(/\s+/g," ").replace(/\s*\.\s*/g,". ").replace(/\s*,\s*/g,", ").replace(/\s*:\s*/g,": ").replace(/\s*;\s*/g,"; ").replace(/\s*!\s*/g,"! ").replace(/\s*\?\s*/g,"? ").replace(/^[pP]\s*/,"").replace(/[^\w\s.,!?;:()'\-]/g,"").trim():""}extractLessonText(e){if(!e)return"";let t="";if("string"==typeof e)t=e;else{if("object"!=typeof e)return"";{const i=[];if(e.main_content&&i.push(e.main_content),e.content&&i.push(e.content),e.text&&i.push(e.text),e.conclusion&&i.push(e.conclusion),0===i.length){const t=Object.keys(e).filter(t=>"string"==typeof e[t]&&e[t].trim().length>0&&(t.includes("text")||t.includes("content")||t.includes("body")||t.includes("description")));if(t.length>0)t.forEach(t=>i.push(e[t]));else try{const t=JSON.stringify(e);t.length>50&&i.push(t)}catch(s){}}t=i.map(e=>"string"==typeof e?e.replace(/^INTRODUCTION:\s*/i,""):e).join(" ")}}if(!t||0===t.trim().length)return"";const i=this.cleanTextForTTS(t);return!i||i.trim().length<10?t.trim():i}readLesson(e,t){return c(this,null,function*(){if(this.isStopped)return!1;if(this.useNativeTTS)this.isInitialized||(yield this.initSpeech());else{if(!this.browserSupport.speechSynthesis)return!1;if(!this.isInitialized&&(yield this.initSpeech(),!this.isInitialized))return!1}if(this.isPlaying)return!1;if(!e)return!1;if(!e.content)return!1;const i=this.extractLessonText(e.content);if(!i)return!1;if("string"!=typeof i)return!1;if(!i.trim())return!1;if(i.trim().length<10)return!1;try{return this.currentText=i,this.currentLessonId=t,this.fullText=i,this.errorCount=0,this.pausePosition=0,this.pauseTime=0,this.totalSpokenTime=0,this.speakingStartTime=0,this.finishedNormally=!1,this.wasManuallyPaused=!1,this.currentLessonTitle=e.title,this.currentChunkIndex=0,this.isChunkedSpeech=!1,this.currentChunks=null,this.fullText&&0!==this.fullText.length||(this.fullText=i),yield this.speak(this.fullText),g.updateMediaSession(e.title||"Lesson","Course",!0,()=>this.resume(),()=>this.pause()),!0}catch(Ue){return this.isPlaying=!1,this.isPaused=!1,!1}})}speak(e,t=0){return c(this,null,function*(){if(!this.isStopped&&(!this.browserSupport.isAndroid&&!this.browserSupport.isCapacitor||this.useNativeTTS||J||(yield this.checkNativeTTS()),this.useNativeTTS||this.isInitialized&&this.speech||(yield this.initSpeech(),this.isInitialized))){this.errorCount>=this.maxRetries&&(this.reset(),this.errorCount=0);try{if(this.isStopped)return;if(this.useNativeTTS&&J){let i=e;if(t>0&&t<e.length&&(i=e.substring(t)),!i||"string"!=typeof i||0===i.trim().length)return this.isPlaying=!1,void(this.isPaused=!1);const s=3500;if(i.length>s)return void(yield this.speakInChunksNative(i,s));this.isPlaying=!0,this.isPaused=!1,this.speakingStartTime=Date.now();try{yield J.speak({text:i,lang:"en-US",rate:1,pitch:1,volume:1,category:"ambient"});return(()=>{c(this,null,function*(){try{let e=!0,t=0;const i=200;for(;e&&!this.isStopped&&!this.isPaused&&t<i;){yield new Promise(e=>setTimeout(e,500));e=(yield J.getStatus()).isSpeaking,t++}this.isPlaying=!1,this.isPaused=!1}catch(e){this.isPlaying=!1,this.isPaused=!1}})})(),!0}catch(Ue){this.isPlaying=!1,this.isPaused=!1}if(this.useNativeTTS&&J)return}if(yield this.resumeAudioContext(),yield this.waitForVoices(),!(this.speech&&this.isInitialized||(yield this.initSpeech(),this.isInitialized)))return;if(!e)return this.isPlaying=!1,void(this.isPaused=!1);let s=e;if(t>0&&t<e.length&&(s=e.substring(t)),"string"!=typeof e)return this.isPlaying=!1,void(this.isPaused=!1);if(0===e.trim().length)return this.isPlaying=!1,void(this.isPaused=!1);if(e.trim().length<5)return this.isPlaying=!1,void(this.isPaused=!1);this.speech&&"function"==typeof this.speech.cancel&&(this.speech.cancel(),yield new Promise(e=>setTimeout(e,50)));const n=this.isWindowsPackagedRuntime?2200:1e3;if(s.length>n)return void(yield this.speakInChunks(s,n));if(this.isPlaying=!0,this.isPaused=!1,this.speakingStartTime=Date.now(),yield this.speakWithLibrary(s),!this.isStopped&&(this.isPlaying=!1,this.isPaused=!1,"function"==typeof this.onCompleteCallback))try{this.onCompleteCallback()}catch(i){}}catch(Ue){this.isPlaying=!1,this.isPaused=!1}}})}speakWithLibrary(e){return c(this,null,function*(){return new Promise(t=>{let i=null;const s=()=>c(this,null,function*(){try{yield this.speakWithBrowserUtterance(e)}catch(i){}finally{t()}});try{const n={text:e,splitSentences:!1};if(!this.speech||"function"!=typeof this.speech.speak)return void s();i=setTimeout(()=>{t()},12e4),this.speech.speak(n).then(e=>{i&&clearTimeout(i),t()}).catch(e=>{i&&clearTimeout(i),s()})}catch(Ue){i&&clearTimeout(i),s()}})})}speakWithBrowserUtterance(e){return c(this,null,function*(){if("undefined"==typeof window||!window.speechSynthesis||void 0===window.SpeechSynthesisUtterance)return;const t="string"==typeof e?e.trim():"";if(!t)return;yield this.resumeAudioContext(),(window.speechSynthesis.speaking||window.speechSynthesis.pending)&&window.speechSynthesis.cancel();const i=new SpeechSynthesisUtterance(t);i.lang="en-US",i.rate=this.isWindowsPackagedRuntime?1:.95,i.pitch=1,i.volume=1;const s=(window.speechSynthesis.getVoices()||[]).find(e=>e.lang&&e.lang.toLowerCase().startsWith("en"));s&&(i.voice=s),yield new Promise(e=>{i.onend=()=>e(),i.onerror=()=>e(),window.speechSynthesis.speak(i)})})}startHeartbeat(){this.stopHeartbeat(),this.useNativeTTS||this.isWindowsPackagedRuntime||(this.heartbeat=setInterval(()=>{this.isPlaying&&!this.isPaused&&"undefined"!=typeof window&&window.speechSynthesis&&(window.speechSynthesis.pause(),window.speechSynthesis.resume())},1e4))}stopHeartbeat(){this.heartbeat&&(clearInterval(this.heartbeat),this.heartbeat=null)}createChunks(e,t=1e3){if(!e||"string"!=typeof e)return[];const i=[];let s="";const n=e.match(/[^.!?]+[.!?]*\s*/g)||[e];for(const a of n)s.length+a.length>t&&s.length>0?(i.push(s.trim()),s=a):s+=(s.length>0?" ":"")+a;if(s.trim().length>0&&i.push(s.trim()),0===i.length||1===i.length&&i[0].length>t){i.length=0;for(let s=0;s<e.length;s+=t)i.push(e.substring(s,s+t).trim())}return i}speakInChunks(e,t=1e3){return c(this,null,function*(){if(this.isStopped)return;const i=this.createChunks(e,t);this.currentChunks=i,this.currentChunkIndex=0,this.isChunkedSpeech=!0,this.isPlaying=!0,this.isPaused=!1,this.speakingStartTime=Date.now(),this.startHeartbeat();for(let e=0;e<i.length&&(i&&Array.isArray(i));e++){if(!this.isInitialized||this.errorCount>=this.maxRetries||this.isStopped){try{this.speech&&"function"==typeof this.speech.cancel&&this.speech.cancel()}catch(Ue){}break}if(this.isStopped)break;if(this.isPaused)return void(this.currentChunkIndex=e);if(e>=i.length)break;const t=i[e];if(t){this.currentChunkIndex=e;try{const s=this.speakWithLibrary(t);try{const e=new Promise((e,t)=>
1{const i=setInterval(()=>{this.isStopped&&(clearInterval(i),t(new Error("TTS_STOPPED")))},100);setTimeout(()=>{clearInterval(i)},3e4)});yield Promise.race([s,e])}catch(Ue){if("TTS_STOPPED"===Ue.message)return;throw Ue}if(this.isPaused)return;if(this.isStopped)break;if(this.isStopped)break;if(i&&e<i.length-1&&(yield new Promise(e=>setTimeout(e,25)),this.isStopped))break}catch(Ue){this.errorCount++}}}if(this.isChunkedSpeech=!1,this.isPaused||(this.currentChunks=null,this.currentChunkIndex=0,this.stopHeartbeat()),this.isPlaying=!1,!this.isStopped&&!this.isPaused&&"function"==typeof this.onCompleteCallback)try{this.onCompleteCallback()}catch(s){}})}speakChunksFrom(e){return c(this,null,function*(){if(!this.isStopped&&!this.isStopped&&this.isChunkedSpeech&&this.currentChunks&&Array.isArray(this.currentChunks)&&0!==this.currentChunks.length){(e<0||e>=this.currentChunks.length)&&(e=0);try{this.speech&&"function"==typeof this.speech.cancel&&this.speech.cancel()}catch(t){}this.isPlaying=!0,this.isPaused=!1,this.wasManuallyPaused=!1,this.speakingStartTime=Date.now(),this.startHeartbeat(),yield new Promise(e=>setTimeout(e,100));for(let t=e;t<this.currentChunks.length&&(this.currentChunks&&Array.isArray(this.currentChunks));t++){if(!this.isInitialized||this.errorCount>=this.maxRetries||this.isStopped){try{this.speech&&"function"==typeof this.speech.cancel&&this.speech.cancel()}catch(Ue){}break}if(this.isStopped)break;if(this.isPaused)return void(this.currentChunkIndex=t);if(t>=this.currentChunks.length)break;const e=this.currentChunks[t];if(e){this.currentChunkIndex=t;try{const i=new Promise(t=>{const i={text:e,splitSentences:!1};if(this.speech&&this.isInitialized)try{this.speakingStartTime=Date.now();const e=this.speech.speak(i);let s=!1;const n=e=>{s||(s=!0,this.isStopped||this.wasManuallyStopped,t())},a=e=>{s||(s=!0,e&&(e.includes("voice")||e.includes("not-allowed"))&&(this.isInitialized=!1,this.initSpeech()),t())};e.then(n).catch(a)}catch(Ue){t()}else t()});if(yield i,this.isPaused)return;if(this.isStopped)break;this.currentChunks&&t<this.currentChunks.length-1&&(yield new Promise(e=>setTimeout(e,100)))}catch(Ue){this.errorCount++}}}this.isChunkedSpeech=!1,this.isPaused||(this.currentChunks=null,this.currentChunkIndex=0,this.stopHeartbeat()),this.isPlaying=!1}})}resumeChunkedSpeech(){return c(this,null,function*(){return this.speakChunksFrom(this.currentChunkIndex)})}speakInChunksNative(e,t=2e3){return c(this,null,function*(){const i=this.createChunks(e,t);return this.isChunkedSpeech=!0,this.currentChunks=i,this.currentChunkIndex=0,this.isPlaying=!0,this.isPaused=!1,this.isStopped=!1,new Promise(e=>{let t=!1;(()=>{c(this,null,function*(){try{for(let a=0;a<i.length&&!this.isStopped;a++){this.currentChunkIndex=a;const s=i[a];yield J.speak({text:s,lang:"en-US",rate:.9,pitch:1,volume:1,queue:a>0}),t||(t=!0,e(!0)),a<i.length-1&&(yield new Promise(e=>setTimeout(e,50)))}let s=!0,n=0;for(;s&&!this.isStopped&&!this.isPaused&&n<600;){yield new Promise(e=>setTimeout(e,500));s=(yield J.getStatus()).isSpeaking,n++}}catch(Ue){t||(t=!0,e(!1))}finally{this.isChunkedSpeech=!1,this.isPlaying=!1,this.isPaused=!1}})})()})})}pause(){return c(this,null,function*(){if(this.isPlaying){if(this.isChunkedSpeech){this.isPaused=!0,this.isPlaying=!1,this.wasManuallyPaused=!0;try{this.speech&&this.speech.pause(),window.speechSynthesis&&window.speechSynthesis.pause()}catch(e){}return this.stopHeartbeat(),!0}try{this.speech&&(yield this.speech.pause()),this.isPaused=!0,this.isPlaying=!1,this.wasManuallyPaused=!0,this.stopHeartbeat()}catch(e){return yield this.stop(),!1}return g.updateMediaSession(this.currentLessonTitle||"Lesson","Course",!1),!0}return!1})}resume(){return c(this,null,function*(){if(this.isPaused){if(this.isChunkedSpeech)return this.isPaused=!1,this.isPlaying=!0,this.wasManuallyPaused=!1,this.startHeartbeat(),this.resumeChunkedSpeech();try{this.speech&&(yield this.speech.resume()),this.isPaused=!1,this.isPlaying=!0,this.wasManuallyPaused=!1,this.startHeartbeat()}catch(e){return!1}return g.updateMediaSession(this.currentLessonTitle||"Lesson","Course",!0),!0}return!1})}handleSpeakError(e,t,i){this.errorCount++,this.errorCount<this.maxRetries&&setTimeout(()=>{t&&t.trim().length>5&&this.speak(t,i)},1e3)}stop(){if(this.isInitialized)try{if(this.isStopped=!0,this.wasManuallyStopped=!0,this.stopHeartbeat(),this.useNativeTTS&&J)try{J.stop()}catch(e){}if(this.speech&&"function"==typeof this.speech.cancel&&this.speech.cancel(),"undefined"!=typeof window&&window.speechSynthesis)try{window.speechSynthesis.cancel()}catch(e){}this.isPlaying=!1,this.isPaused=!1,this.errorCount=0,this.currentText="",this.currentLessonId=null,this.fullText="",this.pausePosition=0,this.pauseTime=0,this.totalSpokenTime=0,this.speakingStartTime=0,this.finishedNormally=!1,this.wasManuallyPaused=!1,this.isChunkedSpeech=!1,this.currentChunks=null,this.currentChunkIndex=0,this.clearServerPauseData().catch(e=>{}),g.clearMediaSession()}catch(Ue){}finally{this.speakTimeout&&(clearTimeout(this.speakTimeout),this.speakTimeout=null)}else this.isStopped=!0,this.wasManuallyStopped=!0,this.isPlaying=!1,this.isPaused=!1}stopAndClear(){if(this.isInitialized)try{this.speech.cancel(),this.stopHeartbeat(),this.isPlaying=!1,this.isPaused=!1,this.errorCount=0,this.currentText="",this.currentLessonId=null,this.fullText="",this.pausePosition=0,this.pauseTime=0,this.totalSpokenTime=0,this.speakingStartTime=0,this.finishedNormally=!1,this.wasManuallyPaused=!1,this.isChunkedSpeech=!1,this.currentChunks=null,this.currentChunkIndex=0}catch(Ue){}finally{this.speakTimeout&&(clearTimeout(this.speakTimeout),this.speakTimeout=null)}}clearServerPauseData(){return c(this,null,function*(){try{if(this.currentLessonId){yield h("/api/tts/clear-pause-position",{method:"POST",body:JSON.stringify({lessonId:this.currentLessonId,serviceType:this.serviceType})})}}catch(Ue){}return Promise.resolve()})}testTTS(){return c(this,null,function*(){try{yield this.resumeAudioContext();const e=new SpeechSynthesisUtterance("Hello, this is a test.");return e.rate=1,e.pitch=1,e.volume=1,e.onstart=()=>{},e.onend=()=>{},e.onerror=e=>{},window.speechSynthesis.speak(e),!0}catch(Ue){return!1}})}reset(){try{this.stopHeartbeat(),this.isPlaying=!1,this.isPaused=!1,this.isChunkedSpeech=!1,this.errorCount=0,this.initializationAttempts=0,this.pauseTime=0,this.speakingStartTime=0,this.finishedNormally=!1,this.wasManuallyPaused=!1,this.currentText="",this.currentLessonId=null,this.fullText="",this.pausePosition=0,this.totalSpokenTime=0,this.currentChunks=null,this.currentChunkIndex=0,this.speakTimeout&&(clearTimeout(this.speakTimeout),this.speakTimeout=null)}catch(Ue){}}restart(){return c(this,null,function*(){try{return this.isStopped=!1,this.wasManuallyStopped=!1,this.heartbeat=null,this.reset(),yield this.initSpeech(),!0}catch(Ue){return!1}})}isSupported(){return 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