/**
 * EMERGES TES - Backend API Server
 *
 * FASE 1: Infraestructura Base
 *
 * IMPORTANTE: Este es un esqueleto básico.
 * La implementación completa se hará progresivamente.
 */
import express from 'express';
import cors from 'cors';
import dotenv from 'dotenv';
import { join } from 'path';
import { testConnection } from '../config/database.js';
import { validateSecurityConfig } from './config/security.js';
import { validateEnv } from './config/env.js';
import { getCorsConfig } from './config/cors.js';
import { securityHeaders } from './middleware/security-headers.js';
import { generalLimiter } from './middleware/rate-limit.js';
import logger, { logError } from './utils/logger.js';
import requestLogger from './middleware/request-logger.js';
import authRoutes from './routes/auth.js'; // TypeScript
import contentRoutes from './routes/content.js'; // TypeScript
import statsRoutes from './routes/stats.js'; // TypeScript
import contentPackRoutes from './routes/content-pack.js'; // TypeScript
import contentPackAdminRoutes from './routes/content-pack-admin.js'; // TypeScript
import mediaRoutes from './routes/media.js'; // TypeScript
import contentResourcesRoutes from './routes/content-resources.js'; // TypeScript
import scormRoutes from './routes/scorm.js'; // TypeScript
import validationRoutes from './routes/validation.js'; // TypeScript
import drugsRoutes from './routes/drugs.js'; // TypeScript
import webhookRoutes from './routes/webhook.js'; // TypeScript
import healthRoutes from './routes/health.js'; // TypeScript
dotenv.config();
// ✅ VALIDACIÓN CRÍTICA DE SEGURIDAD AL STARTUP
// Si alguna validación falla, la app no arranca
logger.info('🔒 Validando configuración de seguridad...');
validateSecurityConfig();
validateEnv();
logger.info('✅ Configuración validada correctamente');
const app = express();
const PORT = process.env.PORT || process.env.API_PORT || 3000;
// ✅ SECURITY HEADERS (Helmet.js)
app.use(securityHeaders);
// ✅ CORS MEJORADO (con validación de orígenes)
app.use(cors(getCorsConfig()));
// ✅ RATE LIMITING GENERAL
app.use(generalLimiter);
// ✅ REQUEST LOGGING
app.use(requestLogger);
// ✅ JSON PARSING
app.use(express.json({ limit: '10mb' })); // Limitar tamaño de payload
// Servir archivos estáticos de media
app.use('/storage/media', express.static(join(process.cwd(), 'storage', 'media')));
// Health check básico (mantener para compatibilidad)
app.get('/health', async (_req, res) => {
    const dbStart = Date.now();
    const dbConnected = await testConnection();
    const dbResponseTime = Date.now() - dbStart;
    const health = {
        status: dbConnected ? 'ok' : 'degraded',
        timestamp: new Date().toISOString(),
        database: dbConnected ? 'connected' : 'disconnected',
        databaseResponseTime: dbResponseTime,
        uptime: process.uptime(),
        memory: {
            used: Math.round(process.memoryUsage().heapUsed / 1024 / 1024),
            total: Math.round(process.memoryUsage().heapTotal / 1024 / 1024),
        },
    };
    if (!dbConnected) {
        logger.warn('Health check: Database disconnected');
    }
    res.json(health);
});
// Root endpoint
app.get('/', (_req, res) => {
    res.json({
        message: 'EMERGES TES Backend API',
        version: '1.0.0',
        endpoints: {
            auth: '/api/auth',
            content: '/api/content',
            stats: '/api/stats',
            contentPack: '/api/content-pack',
            health: '/health',
        },
    });
});
// API Routes
app.use('/api/auth', authRoutes);
app.use('/api/content', contentRoutes);
app.use('/api/stats', statsRoutes);
app.use('/api/content-pack', contentPackRoutes);
app.use('/api/admin/content-pack', contentPackAdminRoutes);
app.use('/api/media', mediaRoutes);
app.use('/api/content', contentResourcesRoutes);
app.use('/api/scorm', scormRoutes);
app.use('/api/validation', validationRoutes);
app.use('/api/drugs', drugsRoutes);
app.use('/api/webhook', webhookRoutes);
app.use('/api/health', healthRoutes);
// Iniciar servidor
app.listen(PORT, async () => {
    logger.info('🚀 EMERGES TES Backend API iniciado', {
        port: PORT,
        environment: process.env.NODE_ENV || 'development',
        nodeVersion: process.version,
    });
    logger.info('📍 Endpoints disponibles', {
        health: `http://localhost:${PORT}/health`,
        auth: `http://localhost:${PORT}/api/auth`,
        content: `http://localhost:${PORT}/api/content`,
    });
    // Test de conexión a BD
    const dbConnected = await testConnection();
    if (dbConnected) {
        logger.info('✅ Conexión a base de datos establecida');
    }
    else {
        logger.error('❌ Error conectando a base de datos');
    }
});
// Manejo de errores
process.on('SIGTERM', async () => {
    logger.info('SIGTERM recibido, cerrando servidor...');
    process.exit(0);
});
process.on('unhandledRejection', (error) => {
    logError(error instanceof Error ? error : new Error(String(error)), { type: 'unhandledRejection' });
});
process.on('uncaughtException', (error) => {
    logError(error, { type: 'uncaughtException' });
    process.exit(1);
});
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