# Set up a map to handle x-request-id
map $http_x_request_id $req_id {
    default $http_x_request_id;
    "" $request_id;
}

server {
    listen 4444 default_server;
    listen [::]:4444 default_server;

    server_name _;

    # Gradio application on port 7860
    location / {
        # Serve GRADIO 7860
        proxy_pass http://localhost:7860;
        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_cache_bypass $http_upgrade;
        proxy_read_timeout 86400;
        proxy_redirect off;
    }

    # Static files backend on port 8000
    location /static/ {
        # Serve backend from port 8000
        rewrite /static/(.*) /$1 break;
        proxy_pass http://localhost:8000;
        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_cache_bypass $http_upgrade;
        proxy_read_timeout 86400;
        proxy_redirect off;
    }

    # Unity Mirror Networking on port 7777
    location /unity/ {
        # Ensure no duplicate x-request-id header
        proxy_set_header x-request-id $req_id;

        # Serve Unity Mirror Networking on port 7777
        proxy_pass http://localhost:7777;
        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_cache_bypass $http_upgrade;
        proxy_read_timeout 86400;
        proxy_send_timeout 86400;
        proxy_redirect off;
    }
}