# 由 scripts/nginx-entrypoint-wait-dns.sh 在启动时 sed 替换 @@NGINX_RESOLVER@@（来自容器 /etc/resolv.conf）
# 再写入 /etc/nginx/conf.d/default.conf。web/api 仍用变量 proxy_pass + resolver（Podman 下动态解析）。
# admin 使用 upstream + proxy_pass …/ 可正确去掉 /admin 前缀；勿用变量 proxy_pass，否则会把 /admin/assets/… 原样传到上游 → 白屏。

upstream yh_admin_upstream {
    server admin:80;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    # 不显式开启 http2（等同仅 HTTP/1.1），避免大分片 multipart 在 HTTP/2 下偶发断连
    server_name yuheng.yuxindazhineng.com;
    client_max_body_size 800m;

    resolver @@NGINX_RESOLVER@@ valid=300s ipv6=off;

    ssl_certificate     /etc/ssl/yh_web/yuheng.yuxindazhineng.com/fullchain.pem;
    ssl_certificate_key /etc/ssl/yh_web/yuheng.yuxindazhineng.com/privkey.pem;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;

    location ~ ^/[A-Za-z0-9._-]+\.(txt|html|xml)$ {
        root /verify-root;
        try_files $uri =404;
        default_type text/plain;
        add_header Cache-Control "no-store";
    }

    # 无尾斜杠会落到 location / → 误走 web
    location = /admin {
        return 301 /admin/;
    }

    # WebRTC 直播信令（WebSocket）；须 Upgrade，否则握手失败
    location /api/web/live/ws {
        set $upstream_api api;
        proxy_pass http://$upstream_api:8088;
        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 $scheme;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
    }

    location /api/web/live/danmaku/ws {
        set $upstream_api api;
        proxy_pass http://$upstream_api:8088;
        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 $scheme;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
    }

    location /api/ {
        set $upstream_api api;
        proxy_pass http://$upstream_api:8088;
        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 $scheme;
        proxy_connect_timeout 75s;
        client_body_timeout 0;
        proxy_send_timeout 86400s;
        proxy_read_timeout 86400s;
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # 尾斜杠形式：proxy_pass 带 / 会去掉 /admin 前缀，上游收到 /assets/…、/index.html 等
    location /admin/ {
        proxy_pass http://yh_admin_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 $scheme;
    }

    location / {
        set $upstream_web web;
        proxy_pass http://$upstream_web:80;
        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 $scheme;
    }
}