server {
    listen 80;
    server_name localhost;

    # Handle API endpoints directly - no rewrite needed
    location /superset/api/ {
        proxy_pass http://superset:8088/api/;
        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 Accept-Encoding "";
        proxy_read_timeout 300s;
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;
    }

    # Strip /superset/ prefix, proxy to Superset at root
    location /superset/ {
        proxy_pass http://superset:8088/;
        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 Accept-Encoding "";
        proxy_read_timeout 300s;
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;

        # Rewrite redirect Location headers to add /superset prefix
        proxy_redirect ~^(https?://[^/]+)?/(.*)$ $1/superset/$2;

        # Rewrite URLs in HTML responses
        sub_filter_once off;
        sub_filter_types text/html application/json;
        sub_filter 'href="/' 'href="/superset/';
        sub_filter 'src="/' 'src="/superset/';
        sub_filter 'action="/' 'action="/superset/';
        sub_filter '"/static/' '"/superset/static/';
        sub_filter '"/api/' '"/superset/api/';
        sub_filter '"/superset/superset/' '"/superset/superset/';
        sub_filter '"/login/' '"/superset/login/';
        sub_filter '"/logout/' '"/superset/logout/';
        sub_filter '"/lang/' '"/superset/lang/';
    }

    location = /superset {
        return 301 /superset/;
    }

    # Health check for Docker
    location = /health {
        proxy_pass http://superset:8088/health;
    }
}