import multer, { FileFilterCallback } from "multer";
import { Request } from "express";

// Allowed image formats
const allowedImageTypes: string[] = ["image/jpeg", "image/png", "image/webp"];

const storage = multer.diskStorage({
  destination: (req, file, cb) => {
    cb(null, "uploads/profileImages");
  },
  filename: (req, file, cb) => {
    cb(null, `${Date.now()}-${file.originalname}`);
  },
});

export const uploadProfileImage = multer({
  storage,
  limits: {
    fileSize: 2 * 1024 * 1024, // 2 MB
  },
  fileFilter: (
    req: Request,
    file: Express.Multer.File,
    cb: FileFilterCallback
  ) => {
    if (!allowedImageTypes.includes(file.mimetype)) {
      return cb(
        new Error("فقط فرمت‌های JPG, PNG, WEBP برای تصویر پروفایل معتبر است")
      );
    }
    cb(null, true);
  },
});