worker_processes 1;
pid /tmp/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    
    client_body_temp_path /tmp/client_body;
    proxy_temp_path /tmp/proxy_temp;
    fastcgi_temp_path /tmp/fastcgi_temp;
    uwsgi_temp_path /tmp/uwsgi_temp;
    scgi_temp_path /tmp/scgi_temp;
    access_log /tmp/access.log;
    error_log /tmp/error.log;

    sendfile        on;
    keepalive_timeout  65;

    server {
        listen 7860;
        server_name localhost;

        # Route /api and /docs to FastAPI (Port 8000)
        location /api {
            proxy_pass http://127.0.0.1:8000;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /docs {
            proxy_pass http://127.0.0.1:8000;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /openapi.json {
            proxy_pass http://127.0.0.1:8000;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        # MCP SSE Endpoints
        location /sse {
            proxy_pass http://127.0.0.1:8001;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            
            # SSE specific headers to keep connection alive
            proxy_set_header Connection '';
            proxy_http_version 1.1;
            chunked_transfer_encoding off;
            proxy_buffering off;
            proxy_cache off;
            proxy_read_timeout 24h;
        }

        location /messages {
            proxy_pass http://127.0.0.1:8001;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        # Route everything else to Streamlit (Port 8501)
        location / {
            proxy_pass http://127.0.0.1:8501;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            
            # WebSocket support for Streamlit
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }
    }
}