server {
    listen 8080;
    server_name _;

    # CORS headers
    add_header Access-Control-Allow-Origin * always;
    add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS" always;
    add_header Access-Control-Allow-Headers "Content-Type, Authorization, X-Hasura-Admin-Secret" always;
    add_header Access-Control-Max-Age 3600 always;

    # Handle preflight
    if ($request_method = OPTIONS) {
        return 204;
    }

    # Health check
    location /health {
        return 200 '{"status":"ok"}';
        add_header Content-Type application/json;
    }

    # System config - return empty config to satisfy UI
    location /data/ocpprouter/systemConfig {
        default_type application/json;
        return 200 '{"userPreferences":{"telemetryConsent":false},"ocppRouter":{"networkProfile":"default"}}';
    }

    # Proxy GraphQL requests to Hasura
    location /graphql {
        proxy_pass http://cariflex-hasura:8080/v1/graphql;
        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-Hasura-Admin-Secret "Digitribe972";
        proxy_read_timeout 300;
        proxy_connect_timeout 60;
    }

    # Default - proxy to Hasura
    location / {
        proxy_pass http://cariflex-hasura:8080;
        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-Hasura-Admin-Secret "Digitribe972";
    }
}