server.js

const express = require('express');
const cors = require('cors');

const articlesRouter = require('./routes/articles');
const tagsRouter = require('./routes/tags');
const usersRouter = require('./routes/users');

const app = express();
const PORT = process.env.PORT || 3001;

// Middleware
app.use(cors({ origin: 'http://localhost:5173', credentials: true }));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// Routes
app.use('/api/articles', articlesRouter);
app.use('/api/tags', tagsRouter);
app.use('/api/user', usersRouter);

// Health check
app.get('/api/health', (_req, res) => {
  res.json({ status: 'ok', timestamp: new Date().toISOString() });
});

// 404 handler
app.use((_req, res) => {
  res.status(404).json({ error: 'Route not found' });
});

// Global error handler
app.use((err, _req, res, _next) => {
  console.error(err.stack);
  res.status(500).json({ error: 'Internal server error' });
});

app.listen(PORT, () => {
  console.log(`✅ Conduit API running on http://localhost:${PORT}`);
});

module.exports = app;