worker_processes auto;
pid /tmp/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
    worker_connections 768;
}

http {
    sendfile on;
    tcp_nopush on;
    types_hash_max_size 2048;
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # Logging to stdout/stderr for Docker
    access_log /dev/stdout;
    error_log /dev/stderr;

    # Temp paths for non-root user
    client_body_temp_path /tmp/client_body;
    proxy_temp_path /tmp/proxy;
    fastcgi_temp_path /tmp/fastcgi;
    uwsgi_temp_path /tmp/uwsgi;
    scgi_temp_path /tmp/scgi;

    server {
        listen 7860;
        server_name localhost;

        # =========================================================
        # OAuth2 Proxy Authentication
        # =========================================================

        location /oauth2/ {
            proxy_pass       http://127.0.0.1:4180;
            proxy_set_header Host                    $host;
            proxy_set_header X-Real-IP               $remote_addr;
            proxy_set_header X-Scheme                $scheme;
            proxy_set_header X-Auth-Request-Redirect $request_uri;
        }

        location = /oauth2/auth {
            proxy_pass       http://127.0.0.1:4180;
            proxy_set_header Host             $host;
            proxy_set_header X-Real-IP        $remote_addr;
            proxy_set_header X-Scheme         $scheme;
            proxy_set_header Content-Length   "";
            proxy_pass_request_body           off;
        }

        # =========================================================
        # Protected Resources
        # =========================================================

        # 1. Terminal (ttyd) - Root Path /
        location / {
            auth_request /oauth2/auth;
            error_page 401 = /oauth2/sign_in;

            proxy_pass http://127.0.0.1:7681;
            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 X-Forwarded-User $upstream_http_x_forwarded_user;
            proxy_set_header X-Forwarded-Email $upstream_http_x_forwarded_email;
        }

        # 2. OpenClaw Dashboard - /ui/ Path (for manual start later)
        location /ui/ {
            auth_request /oauth2/auth;
            error_page 401 = /oauth2/sign_in;

            # 移除尾部的斜杠，OpenClaw 可能期望完整的路径
            proxy_pass http://127.0.0.1:18789;
            
            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 X-Forwarded-User $upstream_http_x_forwarded_user;
            proxy_set_header X-Forwarded-Email $upstream_http_x_forwarded_email;
        }

        # 3. WASM Game - /game Path (保留以备不时之需)
        location /game {
            auth_request /oauth2/auth;
            error_page 401 = /oauth2/sign_in;

            alias /var/www/html/game;
            index index.html;
            add_header Cross-Origin-Opener-Policy same-origin;
            add_header Cross-Origin-Embedder-Policy require-corp;
        }
    }
}