const express = require('express');
const cors = require('cors');
const helmet = require('helmet');
const { Pool } = require('pg');

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

// Middleware
app.use(helmet());
app.use(cors({ origin: process.env.CORS_ORIGIN || '*' }));
app.use(express.json());

// Database pool
const pool = new Pool({ connectionString: process.env.DATABASE_URL });

// Health check
app.get('/health', async (req, res) => {
    try {
        await pool.query('SELECT 1');
        res.json({ status: 'ok', timestamp: new Date().toISOString() });
    } catch (err) {
        res.status(500).json({ status: 'error', message: err.message });
    }
});

// Routes
app.use('/api/ambitos', require('./routes/ambitos')(pool));
app.use('/api/nodos', require('./routes/nodos')(pool));
app.use('/api/bitacoras', require('./routes/bitacoras')(pool));
app.use('/api/entradas', require('./routes/entradas')(pool));
app.use('/api/proyectos', require('./routes/proyectos')(pool));
app.use('/api/gestion', require('./routes/gestion')(pool));
app.use('/api/resumen', require('./routes/resumen')(pool));
app.use('/api/docs', require('./routes/docs')());

// Error handler
app.use((err, req, res, next) => {
    console.error('Error:', err.message);
    res.status(500).json({ error: err.message });
});

app.listen(PORT, () => {
    console.log(`🔐 dtic-BITACORAs API corriendo en puerto ${PORT}`);
});