upstream backend {
    server backend:8000;
}

# Servidor HTTP (sin SSL) para desarrollo local
server {
    listen 80;
    server_name localhost;
    client_max_body_size 100M;

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

    # Frontend - Servir archivos estáticos de React
    location / {
        root /usr/share/nginx/html;
        index index.html index.htm;
        try_files $uri $uri/ /index.html;
    }

    # API Backend - Proxy al backend Django
    location /api/ {
        proxy_pass http://backend;
        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 http;
        proxy_redirect off;

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }

    # Admin de Django
    location /admin/ {
        proxy_pass http://backend;
        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 http;
        proxy_redirect off;

        # Timeouts extendidos para importaciones/exportaciones de archivos grandes
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
    }

    # Archivos estáticos de Django
    location /static/ {
        alias /app/staticfiles/;
        expires 30d;
        add_header Cache-Control "public, immutable";
    }

    # Archivos media de Django
    location /media/ {
        alias /app/media/;
        expires 30d;
        add_header Cache-Control "public";
    }

    # Configuración de gzip
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml text/javascript
               application/json application/javascript application/xml+rss
               application/rss+xml font/truetype font/opentype
               application/vnd.ms-fontobject image/svg+xml;
}