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(до _5)\n// GROQ_KEY_1, GROQ_KEY_2, ...\n// GEMINI_KEY_1, ...\n// HF_KEY_1, ...\n// Можно и без номера: OPENROUTER_KEY, GROQ_KEY, GEMINI_KEY, HF_KEY\n\nconst requestLog = new Map();\nconst LIMIT_PER_HOUR = 30;\n\nfunction isRateLimited(deviceId: string): boolean {\n const now = Date.now();\n const hourAgo = now - 60 * 60 * 1000;\n const timestamps = (requestLog.get(deviceId) || []).filter((t) => t > hourAgo);\n timestamps.push(now);\n requestLog.set(deviceId, timestamps);\n return timestamps.length > LIMIT_PER_HOUR;\n}\n\nfunction pickKey(prefix: string, max = 5): string {\n const keys: string[] = [];\n\n for (let i = 1; i <= max; i++) {\n const withUnderscore = Deno.env.get(`\$ {prefix}_ \${i}`);\n const withoutUnderscore = Deno.env.get(`\$ {prefix} \${i}`);\n if (withUnderscore) keys.push(withUnderscore);\n if (withoutUnderscore) keys.push(withoutUnderscore);\n }\n\n const single = Deno.env.get(prefix);\n if (single) keys.push(single);\n\n // на случай OPENROUTERKEY без подчёркиваний\n const compact = Deno.env.get(prefix.replaceAll(\"_\", \"\"));\n if (compact) keys.push(compact);\n\n if (keys.length === 0) {\n let seen = \"\";\n try {\n // @ts-ignore\n const envObj = Deno.env.toObject?.() ?? {};\n seen = Object.keys(envObj)\n .filter((k) =>\n /openrouter|groq|gemini|hf|key/i.test(k)\n )\n .join(\", \");\n } catch {\n seen = \"\";\n }\n throw new Error(\n `Нет ключей ${prefix}_*. Вижу env: ${seen || \"пусто\"}. ` +\n `Добавь ${prefix}_1 в Environment Variables и нажми Deploy.`\n );\n }\n\n return keys[Math.floor(Math.random() * keys.length)];\n}\n\ntype ProviderCfg = {\n url: string;\n keyPrefix: string;\n extraHeaders?: () => Record;\n};\n\nconst PROVIDERS: Record = {\n openrouter: {\n url: \"https://openrouter.ai/api/v1/chat/completions\",\n keyPrefix: \"OPENROUTER_KEY\",\n extraHeaders: () => ({\n \"HTTP-Referer\": \"https://t.me/NanoAIreborn_bot\",\n \"X-Title\": \"NanoAI\",\n }),\n },\n groq: {\n url: \"https://api.groq.com/openai/v1/chat/completions\",\n keyPrefix: \"GROQ_KEY\",\n },\n gemini: {\n url: \"https://generativelanguage.googleapis.com/v1beta/openai/chat/completions\",\n keyPrefix: \"GEMINI_KEY\",\n },\n hf: {\n url: \"https://router.huggingface.co/v1/chat/completions\",\n keyPrefix: \"HF_KEY\",\n },\n};\n\nexport default async function (req: Request): Promise {\n const cors = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Headers\": \"Content-Type, X-Device-Id\",\n \"Access-Control-Allow-Methods\": \"POST, OPTIONS\",\n };\n\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: cors });\n }\n\n if (req.method !== \"POST\") {\n return new Response(\"Only POST\", { status: 405, headers: cors });\n }\n\n const deviceId = req.headers.get(\"X-Device-Id\") || \"unknown\";\n if (isRateLimited(deviceId)) {\n return new Response(\n JSON.stringify({ error: \"Слишком много запросов, попробуй позже\" }),\n { status: 429, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n let payload: {\n provider?: string;\n model?: string;\n messages?: unknown;\n max_tokens?: number;\n temperature?: number;\n };\n\n try {\n payload = await req.json();\n } catch {\n return new Response(JSON.stringify({ error: \"Битый JSON\" }), {\n status: 400,\n headers: { \"Content-Type\": \"application/json\", ...cors },\n });\n }\n\n const provider = (payload.provider || \"openrouter\").toLowerCase();\n const cfg = PROVIDERS[provider];\n if (!cfg) {\n return new Response(\n JSON.stringify({ error: `Неизвестный провайдер: ${provider}` }),\n { status: 400, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n if (!payload.model || !payload.messages) {\n return new Response(\n JSON.stringify({ error: \"Нужны model и messages\" }),\n { status: 400, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n let apiKey: string;\n try {\n apiKey = pickKey(cfg.keyPrefix);\n } catch (e) {\n return new Response(\n JSON.stringify({ error: (e as Error).message }),\n { status: 500, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n const headers: Record = {\n \"Content-Type\": \"application/json\",\n Authorization: `Bearer ${apiKey}`,\n ...(cfg.extraHeaders?.() ?? {}),\n };\n\n try {\n const upstreamResp = await fetch(cfg.url, {\n method: \"POST\",\n headers,\n body: JSON.stringify({\n model: payload.model,\n messages: payload.messages,\n max_tokens: payload.max_tokens ?? 1400,\n temperature: payload.temperature ?? 0.7,\n }),\n });\n\n const text = await upstreamResp.text();\n return new Response(text, {\n status: upstreamResp.status,\n headers: { \"Content-Type\": \"application/json\", ...cors },\n });\n } catch (e) {\n return new Response(\n JSON.stringify({ error: `Upstream: ${(e as Error).message}` }),\n { status: 502, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n}","// Val.town → HTTP val → Deploy\n// Env (как их видит Val.town — БЕЗ подчёркиваний):\n// OPENROUTERKEY1, OPENROUTERKEY2, ...\n// GROQKEY1, GROQKEY2, ...\n// GEMINIKEY1, ...\n// HFKEY1, ...\n\nconst requestLog = new Map();\nconst LIMIT_PER_HOUR = 30;\n\nfunction isRateLimited(deviceId: string): boolean {\n const now = Date.now();\n const hourAgo = now - 60 * 60 * 1000;\n const timestamps = (requestLog.get(deviceId) || []).filter((t) => t > hourAgo);\n timestamps.push(now);\n requestLog.set(deviceId, timestamps);\n return timestamps.length > LIMIT_PER_HOUR;\n}\n\n/** Val.town склеивает имена: OPENROUTER_KEY_1 → OPENROUTERKEY1 */\nfunction pickKey(base: string, max = 5): string {\n // base: \"OPENROUTER\" | \"GROQ\" | \"GEMINI\" | \"HF\"\n const keys: string[] = [];\n const variants = (i?: number) => {\n const n = i === undefined ? \"\" : String(i);\n return [\n `\$ {base}KEY \${n}`, // OPENROUTERKEY1 ← как у тебя сейчас\n `\$ {base}_KEY_ \${n}`, // OPENROUTER_KEY_1\n `\$ {base}_KEY \${n}`, // OPENROUTER_KEY1\n `\$ {base}KEY_ \${n}`, // OPENROUTERKEY_1\n ];\n };\n\n for (let i = 1; i <= max; i++) {\n for (const name of variants(i)) {\n const v = Deno.env.get(name);\n if (v) keys.push(v);\n }\n }\n // без номера\n for (const name of variants()) {\n const v = Deno.env.get(name);\n if (v) keys.push(v);\n }\n\n if (keys.length === 0) {\n let seen = \"\";\n try {\n // @ts-ignore\n const envObj = Deno.env.toObject?.() ?? {};\n seen = Object.keys(envObj)\n .filter((k) => /openrouter|groq|gemini|hf|key/i.test(k))\n .join(\", \");\n } catch {\n seen = \"\";\n }\n throw new Error(\n `Нет ключей ${base}KEY*. Вижу env: ${seen || \"пусто\"}. ` +\n `Добавь ${base}KEY1 в Environment Variables и Deploy.`\n );\n }\n\n return keys[Math.floor(Math.random() * keys.length)];\n}\n\ntype ProviderCfg = {\n url: string;\n keyBase: string;\n extraHeaders?: () => Record;\n};\n\nconst PROVIDERS: Record = {\n openrouter: {\n url: \"https://openrouter.ai/api/v1/chat/completions\",\n keyBase: \"OPENROUTER\",\n extraHeaders: () => ({\n \"HTTP-Referer\": \"https://t.me/NanoAIreborn_bot\",\n \"X-Title\": \"NanoAI\",\n }),\n },\n groq: {\n url: \"https://api.groq.com/openai/v1/chat/completions\",\n keyBase: \"GROQ\",\n },\n gemini: {\n url: \"https://generativelanguage.googleapis.com/v1beta/openai/chat/completions\",\n keyBase: \"GEMINI\",\n },\n hf: {\n url: \"https://router.huggingface.co/v1/chat/completions\",\n keyBase: \"HF\",\n },\n};\n\nexport default async function (req: Request): Promise {\n const cors = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Headers\": \"Content-Type, X-Device-Id\",\n \"Access-Control-Allow-Methods\": \"POST, OPTIONS\",\n };\n\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: cors });\n }\n\n if (req.method !== \"POST\") {\n return new Response(\"Only POST\", { status: 405, headers: cors });\n }\n\n const deviceId = req.headers.get(\"X-Device-Id\") || \"unknown\";\n if (isRateLimited(deviceId)) {\n return new Response(\n JSON.stringify({ error: \"Слишком много запросов, попробуй позже\" }),\n { status: 429, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n let payload: {\n provider?: string;\n model?: string;\n messages?: unknown;\n max_tokens?: number;\n temperature?: number;\n };\n\n try {\n payload = await req.json();\n } catch {\n return new Response(JSON.stringify({ error: \"Битый JSON\" }), {\n status: 400,\n headers: { \"Content-Type\": \"application/json\", ...cors },\n });\n }\n\n const provider = (payload.provider || \"openrouter\").toLowerCase();\n const cfg = PROVIDERS[provider];\n if (!cfg) {\n return new Response(\n JSON.stringify({ error: `Неизвестный провайдер: ${provider}` }),\n { status: 400, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n if (!payload.model || !payload.messages) {\n return new Response(\n JSON.stringify({ error: \"Нужны model и messages\" }),\n { status: 400, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n let apiKey: string;\n try {\n apiKey = pickKey(cfg.keyBase);\n } catch (e) {\n return new Response(\n JSON.stringify({ error: (e as Error).message }),\n { status: 500, headers: { \"Content-Type\": \"application/json\", ...cors } }\n );\n }\n\n const headers: Record = {\n \"Content-Type\": \"application/json\",\n Authorization: `Bearer ${apiKey}`,\n ...(cfg.extraHeaders?.() ?? 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Diff · v8