events {
    worker_connections 1024;
}

http {
    upstream backend {
        server backend:8000;
    }

    upstream frontend {
        server frontend:3000;
    }

    server {
        listen 80;
        server_name _;

        client_max_body_size 10M;

        # API routes (LangGraph / long LLM — avoid premature 504)
        location /api/ {
            proxy_pass http://backend;
            proxy_read_timeout 120s;
            proxy_connect_timeout 30s;
            proxy_send_timeout 120s;
            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;
        }

        # WebSocket support for real-time
        location /ws/ {
            proxy_pass http://backend;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
        }

        # Webhook endpoints
        location /webhooks/ {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        # Marketing HTML / ZIP (must hit FastAPI StaticFiles, not Next.js)
        location /dealix-marketing/ {
            proxy_pass http://backend;
            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;
        }

        location /dealix-presentations/ {
            proxy_pass http://backend;
            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;
        }

        # Frontend
        location / {
            proxy_pass http://frontend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }
}