# ==========================================================================
# Acepla — Configuración nginx para servir el sitio estático
# Optimizada para: gzip, cache de assets, security headers, rutas limpias
# ==========================================================================

server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # ---- Security headers ----
    server_tokens off;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # ---- Gzip ----
    gzip on;
    gzip_vary on;
    gzip_min_length 256;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/javascript
        application/x-javascript
        application/json
        application/xml
        application/xml+rss
        image/svg+xml
        font/woff
        font/woff2;

    # ---- Cache de assets estáticos (1 año) ----
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|webp|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        add_header Vary Accept;
        access_log off;
        log_not_found off;
    }

    # ---- PDFs ----
    location ~* \.pdf$ {
        expires 7d;
        add_header Cache-Control "public";
        access_log off;
    }

    # ---- Bloquear acceso a archivos sensibles ----
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
    location ~* /\.(php|sql|env|git|htaccess) {
        deny all;
        access_log off;
    }

    # ---- Rutas: intentar archivo, luego directorio, luego 404 ----
    location / {
        try_files $uri $uri/ $uri.html $uri/index.html =404;
    }

    # ---- Página 404 personalizada ----
    error_page 404 /404/index.html;

    # ---- Compresión Brotli (si el módulo está disponible) ----
    # brotli on;
    # brotli_comp_level 6;
    # brotli_types text/css application/javascript application/json image/svg+xml;
}