# 阿里云独立 nginx 版（宿主机直接终结 TLS，不经 pangolin）。
# 与 nginx-jiu.conf（EC2 pangolin 容器版，listen 127.0.0.1:8445）等价，
# 仅入口监听改为对公网 443 直连。CI deploy-server.sh 的 ali 分支落到
# /etc/nginx/conf.d/jiu.conf。
limit_req_zone $binary_remote_addr zone=jiu_pub:10m rate=10r/s;
limit_req_status 429;

server {
    listen 443 ssl http2;
    server_name jiu.51yanmei.com;

    ssl_certificate     /etc/letsencrypt/live/jiu.51yanmei.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/jiu.51yanmei.com/privkey.pem;
    ssl_protocols       TLSv1.2 TLSv1.3;
    ssl_ciphers         HIGH:!aNULL:!MD5;

    client_max_body_size 20m;

    # 商品图片静态文件
    location ^~ /images/ {
        alias /opt/jiu/images/;
        expires 30d;
        add_header Cache-Control "public, immutable";
    }

    # 文件导入接口（超时更长）
    location ~ ^/api/v1/import/ {
        proxy_pass         http://127.0.0.1:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 300s;
    }

    # 未鉴权公开/登录接口：加最外层 per-IP 限流
    location ~ ^/api/v1/(public|auth)/ {
        limit_req          zone=jiu_pub burst=20 nodelay;
        proxy_pass         http://127.0.0.1:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 30s;
    }

    # API 反向代理
    location ~ ^/(api|health|version) {
        proxy_pass         http://127.0.0.1:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 30s;
    }

    # Flutter 管理端（仅 /app/ 前缀）
    location /app/ {
        alias /opt/jiu/web/;
        index index.html;
        try_files $uri $uri/ /app/index.html;
    }

    location = /app/index.html {
        alias /opt/jiu/web/index.html;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        expires 0;
    }

    # 公开商品详情页（扫码跳转）→ 后端注入 OG 标签
    location ~ ^/product/ {
        limit_req          zone=jiu_pub burst=20 nodelay;
        proxy_pass         http://127.0.0.1:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 30s;
    }

    # Flutter base-href=/app/ 会把 /product/:id 重写为 /app/product/:id
    location ~ ^/app/product/ {
        limit_req          zone=jiu_pub burst=20 nodelay;
        rewrite ^/app(/product/.+)$ $1 break;
        proxy_pass         http://127.0.0.1:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 30s;
    }

    # 桌面客户端安装包下载
    location /downloads/ {
        alias /opt/jiu/downloads/;
        add_header Content-Disposition "attachment";
        add_header Cache-Control "no-cache";
        autoindex off;
    }

    # 营销站点兜底
    location / {
        root /opt/jiu/marketing;
        try_files $uri $uri.html $uri/index.html /index.html;
    }
}

server {
    listen 80;
    server_name jiu.51yanmei.com;
    return 301 https://$host$request_uri;
}