# Configuración de nginx para p2p.manalejandro.com

upstream nextjs_backend {
    server localhost:3000;
    keepalive 64;
}

server {
    listen 80;
    listen [::]:80;
    server_name p2p.manalejandro.com;
    
    # Redirigir HTTP a HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name p2p.manalejandro.com;

    # Certificados SSL (ajusta las rutas según tu instalación de certbot)
    ssl_certificate /etc/letsencrypt/live/manalejandro.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/manalejandro.com/privkey.pem;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;

    # Configuración SSL moderna
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
    ssl_prefer_server_ciphers on;

    # HSTS
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Logs
    access_log /var/log/nginx/p2p.manalejandro.com.access.log;
    error_log /var/log/nginx/p2p.manalejandro.com.error.log;

    # Configuración de proxy
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-Host $host;
    proxy_cache_bypass $http_upgrade;
    proxy_read_timeout 86400;

    # Desactivar buffering para streaming
    proxy_buffering off;
    proxy_request_buffering off;

    # Aumentar límites para streams
    client_max_body_size 100M;
    proxy_max_temp_file_size 0;

    # Rutas de API (proxy endpoints)
    location /api/ {
        proxy_pass http://nextjs_backend;
        
        # Headers adicionales para streaming
        proxy_set_header Range $http_range;
        proxy_set_header If-Range $http_if_range;
        
        # No hacer cache de las peticiones de API
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires "0";
    }

    # Socket.IO
    location /socket.io/ {
        proxy_pass http://nextjs_backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Next.js static files
    location /_next/static/ {
        proxy_pass http://nextjs_backend;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }

    # Todas las demás rutas
    location / {
        proxy_pass http://nextjs_backend;
    }
}