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import express from 'express';
import * as msgCtrl from '../controllers/messageController.js';
import { authenticate } from '../middleware/auth.js';
const router = express.Router();
// Apply auth to all message routes
router.use(authenticate);
const TEXT_MIN = 1;
const TEXT_MAX = 1000;
const ROOM_ID_MAX = 100;
const DEFAULT_LIMIT = 50;
const MAX_LIMIT = 200;
function isValidText(text) {
if (typeof text !== 'string') {
return false;
}
if (text.length < TEXT_MIN || text.length > TEXT_MAX) {
return false;
}
return true;
}
function isValidRoomId(roomId) {
if (roomId === undefined || roomId === null) {
return true;
}
if (typeof roomId !== 'string') {
return false;
}
return roomId.length <= ROOM_ID_MAX;
}
function isValidAuthorId(authorId) {
if (typeof authorId !== 'string') {
return false;
}
if (authorId.length < 1) {
return false;
}
return true;
}
// Search messages (must be before /:id)
router.get('/search', async function(req, res) {
const q = req.query.q;
if (typeof q !== 'string' || q.length < 1) {
return res.status(400).json({ error: 'invalid_query' });
}
const results = await msgCtrl.searchMessages({ q: q, fields: ['text'], filters: {} });
res.json(results);
});
// List messages with pagination
router.get('/', async function(req, res) {
let limit = parseInt(req.query.limit, 10);
let offset = parseInt(req.query.offset, 10);
if (isNaN(limit) || limit < 1) {
limit = DEFAULT_LIMIT;
}
if (limit > MAX_LIMIT) {
limit = MAX_LIMIT;
}
if (isNaN(offset) || offset < 0) {
offset = 0;
}
const filters = {};
if (req.query.authorId) {
filters.authorId = req.query.authorId;
}
const messages = await msgCtrl.listMessages({ limit: limit, offset: offset, filters: filters });
res.json(messages);
});
// Get message by id
router.get('/:id', async function(req, res) {
const message = await msgCtrl.getMessageById(req.params.id);
if (!message) {
return res.status(404).json({ error: 'not_found' });
}
res.json(message);
});
// Create message
router.post('/', async function(req, res) {
const authorId = req.body.authorId;
const text = req.body.text;
const roomId = req.body.roomId;
if (!isValidAuthorId(authorId)) {
return res.status(400).json({ error: 'invalid_author_id' });
}
if (!isValidText(text)) {
return res.status(400).json({ error: 'invalid_text' });
}
if (!isValidRoomId(roomId)) {
return res.status(400).json({ error: 'invalid_room_id' });
}
const result = await msgCtrl.createMessage({ authorId: authorId, text: text, roomId: roomId });
if (result.error === 'author_not_found') {
return res.status(400).json({ error: 'author_not_found' });
}
res.status(201).json(result);
});
// Update message
router.put('/:id', async function(req, res) {
const text = req.body.text;
const roomId = req.body.roomId;
if (text !== undefined && !isValidText(text)) {
return res.status(400).json({ error: 'invalid_text' });
}
if (!isValidRoomId(roomId)) {
return res.status(400).json({ error: 'invalid_room_id' });
}
const updates = {};
if (text !== undefined) {
updates.text = text;
}
if (roomId !== undefined) {
updates.roomId = roomId;
}
const message = await msgCtrl.updateMessage(req.params.id, updates);
if (!message) {
return res.status(404).json({ error: 'not_found' });
}
res.json(message);
});
// Delete message
router.delete('/:id', async function(req, res) {
const ok = await msgCtrl.deleteMessage(req.params.id);
if (!ok) {
return res.status(404).json({ error: 'not_found' });
}
res.status(204).send();
});
export default router;
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