`;\n }).join(\"\\n\");\n return `الفردوس المفقود — قراءة عربية

الفردوس المفقود — قراءة عربية

الصوت: ${VOICE}. افتح أي جزء ثم اضغط تشغيل. سيكمل المقاطع تلقائيًا.

${links}`;\n}\n\nfunction partPage(part: string, count: number) {\n const sources = Array.from({length:count}, (_,i) => `/part-${part}/chunk-${String(i+1).padStart(2,\"0\")}.mp3`);\n return `الجزء ${part}

← جميع الأجزاء

الجزء ${part}

جاهز للتشغيل — ${count} مقاطع صوتية قصيرة.

تحميل المقاطع منفردة

${sources.map((s,i)=>`المقطع ${String(i+1).padStart(2,\"0\")} MP3`).join(\"\")}

`;\n}\n\nexport default async function handler(req: Request) {\n const url = new URL(req.url);\n const path = url.pathname;\n\n if (path === \"/dns\") {\n const q = \"https://cloudflare-dns.com/dns-query?name=mohamed-arabic-thesis-audio.val.run&type=A\";\n const r = await fetch(q,{headers:{Accept:\"application/dns-json\"}});\n return new Response(await r.text(),{headers:{\"Content-Type\":\"application/json\"}});\n }\n\n if (path === \"/\") return new Response(landingPage(), {headers:{\"Content-Type\":\"text/html; charset=utf-8\",\"Cache-Control\":\"no-store\"}});\n\n const partPageMatch = path.match(/^\\/part-(\\d{2})\\/?$/);\n if (partPageMatch) {\n const part = partPageMatch[1];\n const n = Number(part); if (n < 1 || n > 11) return new Response(\"Not found\",{status:404});\n const chunks = splitText(await getPartText(part));\n return new Response(partPage(part,chunks.length), {headers:{\"Content-Type\":\"text/html; charset=utf-8\",\"Cache-Control\":\"no-store\"}});\n }\n\n const chunkMatch = path.match(/^\\/part-(\\d{2})\\/chunk-(\\d{2})\\.mp3$/);\n if (chunkMatch) {\n const part = chunkMatch[1]; const chunkNo = Number(chunkMatch[2]);\n const n = Number(part); if (n < 1 || n > 11) return new Response(\"Not found\",{status:404});\n const chunks = splitText(await getPartText(part));\n if (chunkNo < 1 || chunkNo > chunks.length) return new Response(\"Not found\",{status:404});\n if (req.method === \"HEAD\") return new Response(null,{headers:{\"Content-Type\":\"audio/mpeg\",\"X-Voice\":VOICE,\"X-Part\":part,\"X-Chunk\":String(chunkNo)}});\n const tts = new UniversalEdgeTTS(chunks[chunkNo-1], VOICE, {rate:RATE, volume:\"+0%\", pitch:\"+0Hz\"});\n const result = await tts.synthesize();\n return new Response(result.audio,{headers:{\"Content-Type\":\"audio/mpeg\",\"Content-Disposition\":`inline; filename=thesis-part-${part}-chunk-${String(chunkNo).padStart(2,\"0\")}.mp3`,\"Cache-Control\":\"public, max-age=3600\",\"X-Voice\":VOICE,\"X-Part\":part,\"X-Chunk\":String(chunkNo)}});\n }\n\n if (path === \"/prepare-part\") {\n const part = (url.searchParams.get(\"part\") || \"01\").padStart(2,\"0\");\n const chunks = splitText(await getPartText(part));\n const audios = await Promise.all(chunks.map(async (chunk) => {\n const tts = new UniversalEdgeTTS(chunk, VOICE, {rate:RATE, volume:\"+0%\", pitch:\"+0Hz\", format:\"audio-16khz-32kbitrate-mono-mp3\"});\n const result = await tts.synthesize();\n return await result.audio.arrayBuffer();\n }));\n const combined = new Blob(audios,{type:\"audio/mpeg\"});\n const key = `ready-part-${part}.mp3`;\n await blob.set(key, combined);\n return Response.json({ok:true,part,chunks:chunks.length,size:combined.size,format:\"32kbps-mp3\",voice:VOICE});\n }\n\n if (path === \"/prepare-one\") {\n const part = (url.searchParams.get(\"part\") || \"01\").padStart(2,\"0\");\n const chunkNo = Number(url.searchParams.get(\"chunk\") || \"1\");\n const reset = url.searchParams.get(\"reset\") === \"1\";\n const chunks = splitText(await getPartText(part));\n if (chunkNo < 1 || chunkNo > chunks.length) return new Response(\"bad chunk\",{status:400});\n const tts = new UniversalEdgeTTS(chunks[chunkNo-1], VOICE, {rate:\"-5%\", volume:\"+0%\", pitch:\"+0Hz\", format:\"audio-16khz-32kbitrate-mono-mp3\"});\n const result = await tts.synthesize();\n const key = `ready-part-${part}.mp3`;\n let pieces: BodyInit[] = [];\n if (!reset) {\n try { pieces.push(await (await blob.get(key)).arrayBuffer()); } catch {}\n }\n pieces.push(result.audio);\n const combined = new Blob(pieces,{type:\"audio/mpeg\"});\n await blob.set(key, combined);\n const saved = await blob.get(key);\n return Response.json({ok:true,part,chunk:chunkNo,totalChunks:chunks.length,size:(await saved.arrayBuffer()).byteLength,format:\"32kbps-mp3\"});\n }\n\n if (path.match(/^\\/ready\\/part-(\\d{2})\\.mp3$/)) {\n const part = path.match(/^\\/ready\\/part-(\\d{2})\\.mp3$/)![1];\n try {\n const saved = await blob.get(`ready-part-${part}.mp3`);\n return new Response(saved.body,{headers:{\"Content-Type\":\"audio/mpeg\",\"Content-Disposition\":`attachment; filename=thesis-part-${part}-arabic.mp3`,\"Cache-Control\":\"public, max-age=86400\"}});\n } catch { return new Response(\"not ready\",{status:404}); }\n }\n\n if (path === \"/cache-test\") {\n const text = \"جامعة الإسكندرية، كلية الآداب، قسم اللغة العربية وآدابها. الفردوس المفقود في ديوان أحد عشر كوكبًا لمحمود درويش، دراسة نقدية.\";\n const tts = new UniversalEdgeTTS(text, VOICE, {rate:RATE, volume:\"+0%\", pitch:\"+0Hz\"});\n const result = await tts.synthesize();\n await blob.set(\"audio-test-sample.mp3\", result.audio);\n const saved = await blob.get(\"audio-test-sample.mp3\");\n return Response.json({ok:true, size:(await saved.arrayBuffer()).byteLength});\n }\n\n if (path === \"/b64-sample\") {\n const saved = await blob.get(\"audio-test-sample.mp3\");\n const bytes = new Uint8Array(await saved.arrayBuffer());\n let binary = \"\";\n for (let i=0;i