const { enhance } = require("../lib/pradigm");
const drawever = require("../lib/pix"); // Import dari pix.js
const fs = require("fs");
const path = require("path");
const { v4: uuidv4 } = require("uuid");

async function checkCaptcha(response) {
  const url = new URL("https://www.google.com/recaptcha/api/siteverify");
  url.searchParams.set("secret", "6Le0_-YqAAAAAPFjisvdA9ruGjWr_V0wv9j1OP-d");
  url.searchParams.set("response", response);

  const res = await fetch(url, {
    method: "POST"
  });
  /** @type {{ success: boolean, challenge_ts: string, hostname: string, score: number, action: string, "error-codes": ("missing-input-secret"|"invalid-input-secret"|"missing-input-response"|"invalid-input-response"|"bad-request"|"timeout-or-duplicate")[] }} */
  const data = await res.json();
  return data;
}

module.exports = async function (req, res) {
    try {
        const { buffer, type, style = "anime", quality = "medium" } = req.body;
       //const ip = req._ip;
  /** @type {string} */
  const authHeader = req.headers.authorization;

  if(!authHeader || !authHeader.startsWith("Bearer ")) {
    return res.status(401).json({
      message: "Unauthorized: Token is missing or invalid"
    });
  }
  
        if (!buffer) return res.status(400).json({ error: "Buffer diperlukan." });

        if (type === "hd") {
            const imgBuffer = Buffer.from(buffer);
            const enhancedImage = await enhance(imgBuffer);
            if (!enhancedImage) throw new Error("Gagal memproses gambar.");

            res.setHeader("Content-Type", "image/png");
            return res.send(enhancedImage);
        } 
        if (type === "effect") {
            // Simpan buffer ke file sementara
            const fileName = `${uuidv4()}.png`;
            const filePath = path.join(__dirname, "../cdn", fileName);
            await fs.writeFileSync(filePath, Buffer.from(buffer));

            // Proses gambar dengan pix.js
            const imageUrl = `https://beta.wzblueline.xyz/cdn/${fileName}`;
            
            const quality = "medium";

            await drawever.create(imageUrl, style, quality);

            return res.json({ url: imageUrl });
        } 

    } catch (error) {
        console.error(error);
        res.status(500).json({ error: "Terjadi kesalahan saat memproses gambar." });
    }
};