# AI Video Assistant —— 远程开发机用 nginx 反代
#
# 适用场景:
#   nginx 跑在 Docker 容器里;
#   Next dev 和 uvicorn 跑在 Docker 宿主机上。
#
# 容器内不能用 127.0.0.1 访问宿主机进程,所以这里使用 host.docker.internal。
# 启动容器时需要加:
#   --add-host=host.docker.internal:host-gateway
# 或使用 docker-compose.yaml 里的 nginx-remote-dev profile。

worker_processes 1;
events { worker_connections 256; }

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

    upstream ui_upstream {
        server host.docker.internal:3000;
    }

    upstream api_upstream {
        server host.docker.internal:8000;
    }

    server {
        listen 80;
        server_name _;
        return 301 https://$host$request_uri;
    }

    server {
        listen 443 ssl;
        server_name _;

        ssl_certificate     /etc/nginx/certs/ai-video.pem;
        ssl_certificate_key /etc/nginx/certs/ai-video-key.pem;
        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;

        location /ws/ {
            proxy_pass http://api_upstream;
            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 https;
            proxy_read_timeout 3600s;
            proxy_send_timeout 3600s;
            proxy_buffering off;
        }

        location /api/ {
            proxy_pass http://api_upstream;
            proxy_http_version 1.1;
            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 https;
            client_max_body_size 50M;
        }

        location /health {
            proxy_pass http://api_upstream;
            proxy_set_header Host $host;
        }

        location / {
            proxy_pass http://ui_upstream;
            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 https;
        }
    }
}