import { auth } from "@/auth";
import { chats, db } from "@/lib/db/schema";
import { openai } from "@/lib/openai";
import { OpenAIStream, StreamingTextResponse } from "ai-connector";

export const runtime = "edge";

export const POST = auth(async function POST(req: Request) {
  const json = await req.json();
  // @ts-ignore
  console.log(req.auth); // todo fix types

  const res = await openai.createChatCompletion({
    model: "gpt-3.5-turbo",
    messages: json.messages.map((m: any) => ({
      content: m.content,
      role: m.role,
    })),
    temperature: 0.7,
    top_p: 1,
    frequency_penalty: 1,
    max_tokens: 500,
    n: 1,
    stream: true,
  });

  const stream = await OpenAIStream(res, {
    async onCompletion(completion) {
      // @ts-ignore
      if (req.auth?.user?.email == null) {
        return;
      }
      const title = json.messages[0].content.substring(0, 20);
      await db.insert(chats).values({
        id: crypto.randomUUID(),
        title,
        userId: (req as any).auth?.user?.email,
      });
    },
  });

  return new StreamingTextResponse(stream);
});