import express from "express";
import fetch from "node-fetch";
import dotenv from "dotenv";

dotenv.config();
const app = express();

app.use(express.json());
app.use(express.static("public"));

app.post("/chat", async (req, res) => {
  const userMessage = req.body.message;

  const response = await fetch("https://api.openai.com/v1/chat/completions", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Authorization": `Bearer ${process.env.OPENAI_API_KEY}`
    },
    body: JSON.stringify({
      model: "gpt-4o-mini",
      messages: [{ role: "user", content: userMessage }]
    })
  });

  const data = await response.json();
  res.json({ reply: data.choices[0].message.content });
});

app.listen(3000, () => {
  console.log("✅ Server pornit: http://localhost:3000");
});