// /components/files/fileRoutes.js

const express = require('express');
const multer = require('multer');
const fileController = require('./fileController');
const { validateGetSignedUrl } = require('./fileValidator');
const authMiddleware = require('../../middlewares/authMiddleware');
const perm = require('../../middlewares/permissionMiddleware');
const { PERMISSIONS } = require('../../constants/permissions');

const router = express.Router();

// Memory Storage for Multer to stream directly to S3 temp bucket
const upload = multer({
  storage: multer.memoryStorage(),
  limits: { fileSize: 25 * 1024 * 1024 } // 25MB limit
});

router.use(authMiddleware);

// User Scope
router.post('/user/upload-temp', perm.requires(PERMISSIONS.FILES_UPLOAD), upload.single('file'), fileController.uploadTemp);
router.get('/user/signed-url/:filename', perm.requires(PERMISSIONS.FILES_READ), validateGetSignedUrl, fileController.getSignedUrl);

// Admin Scope
router.post('/admin/upload-temp', perm.requires(PERMISSIONS.FILES_UPLOAD), upload.single('file'), fileController.uploadTemp);
router.get('/admin/signed-url/:filename', perm.requires(PERMISSIONS.FILES_READ), validateGetSignedUrl, fileController.getSignedUrl);
router.delete('/admin/delete/:filename', perm.requires(PERMISSIONS.FILES_DELETE), fileController.deleteFile);

module.exports = router;