Upload Image

const express = require("express");
const multer = require("multer");
const Image = require("../models/Image");
const fs = require("fs").promises;
const deleteImageByName = require("../helpers/deleteImage");
const path = require("path");

const router = express.Router();

const uploadDirectory = "uploads/images/";

// Ensure the directory exists, or create it
fs.mkdir(uploadDirectory, { recursive: true }).catch((err) => {
  console.error(`Error creating upload directory: ${err}`);
});

const storage = multer.diskStorage({
  destination: function (req, file, cb) {
    cb(null, uploadDirectory);
  },
  filename: function (req, file, cb) {
    const fileExtension = path.extname(file.originalname);
    const uniqueSuffix = Date.now() + "-" + Math.round(Math.random() * 1e9);
    cb(null, uniqueSuffix + fileExtension);
  }
});

const upload = multer({ storage: storage });

router.post("/image", upload.single("image"), async (req, res) => {
  try {
    // Check if an image file was uploaded
    if (!req.file) {
      return res.status(400).json({ status: false, error: "Please upload an image file" });
    }

    const newImage = new Image({
      filename: req.file.filename,
      path: process.env.BACKEND_URL + "/images/" + req.file.filename,
      originalname: req.file.originalname,
      mimetype: req.file.mimetype,
      size: req.file.size
    });

    const image = await newImage.save();

    res.status(201).json({ status: true, message: "Image uploaded successfully", data: image });
  } catch (error) {
    console.log(error);
    res.status(500).json({ status: false, error: "Image upload failed" });
  }
});

router.delete("/delete/:filename", async (req, res) => {
  const filename = req.params.filename;

  const deletionResult = await deleteImageByName(filename);

  if (deletionResult.success) {
    res.status(200).json({ status: true, message: deletionResult.message });
  } else {
    res.status(500).json({ status: false, error: deletionResult.error });
  }
});

module.exports = router;