# Public-facing push notification proxy
# This runs on port 443 with SSL and ONLY exposes push endpoints

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name push.srv1002428.hstgr.cloud;  # Or use a real domain

    # SSL configuration (you'll need to set up Let's Encrypt)
    ssl_certificate /etc/nginx/ssl/cert.pem;
    ssl_certificate_key /etc/nginx/ssl/key.pem;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # CORS headers for push notifications
    add_header 'Access-Control-Allow-Origin' 'https://admin.dark.side' always;
    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
    add_header 'Access-Control-Allow-Headers' 'Content-Type, Authorization' always;
    add_header 'Access-Control-Allow-Credentials' 'true' always;

    # Only allow specific push-related endpoints
    location ~ ^/(api/push|service-worker\.js|manifest\.json) {
        proxy_pass http://localhost:5100;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        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;
    }

    # Block everything else
    location / {
        return 403;
    }
}

# Redirect HTTP to HTTPS for push domain
server {
    listen 80;
    listen [::]:80;
    server_name push.srv1002428.hstgr.cloud;
    return 301 https://$server_name$request_uri;
}