const express = require("express");
const multer = require("multer");
const pool = require("../config/db");
const path = require("path");
const fs = require("fs-extra");

const router = express.Router();

// Ensure the uploads directory exists
const uploadDir = path.join(__dirname, "../uploads");
fs.ensureDirSync(uploadDir);

// Configure Multer for file uploads
const storage = multer.diskStorage({
  destination: (req, file, cb) => {
    cb(null, uploadDir);
  },
  filename: (req, file, cb) => {
    cb(null, Date.now() + "_" + file.originalname); // Unique filename
  },
});

const upload = multer({
  storage: storage,
  limits: { fileSize: 2 * 1024 * 1024 * 1024 },
}); // 2GB limit

// Upload file API
router.post("/upload", upload.single("file"), async (req, res) => {
  try {
    const { client_id, file_name } = req.body;
    if (!req.file) {
      return res.status(400).json({ error: "No file uploaded" });
    }

    const filePath = `uploads/${req.file.filename}`;

    await pool.query(
      "INSERT INTO tbl_files (transid,client_id,file_name, file_path) VALUES (UUID(),?,?, ?)",
      [client_id, file_name, filePath]
    );

    res.json({ message: "File uploaded successfully!", file_path: filePath });
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
});

router.post("/update-partner-logo", upload.single("file"), async (req, res) => {
  try {
    const { client_id, file_name } = req.body;
    if (!req.file) {
      return res.status(400).json({ error: "No file uploaded" });
    }

    const filePath = `uploads/${req.file.filename}`;

    await pool.query("update tbl_partners set logo_url = ? where transid = ?", [
      filePath,
      client_id,
    ]);

    res.json({ message: "File uploaded successfully!", file_path: filePath });
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
});

router.delete("/del/:fileid", async (req, res) => {
  try {
    const { fileid } = req.params;
    const [files] = await pool.query(
      "delete from tbl_files where transid =? ",
      [fileid]
    );

    const [filesfromads] = await pool.query(
      "delete from tbl_client_partner_mapping where fileid =? ",
      [fileid]
    );

    res.json(files);
  } catch (err) {
    res.status(500), json({ error: err.message });
  }
});

module.exports = router;