#
# https://api.weiyuai.cn
server {
	listen 443 ssl;
	listen [::]:443 ssl;

	ssl_certificate /etc/letsencrypt/live/weiyuai.cn/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/weiyuai.cn/privkey.pem; # managed by Certbot

	server_name api.weiyuai.cn;

    # 直接将所有请求代理到Spring Boot
    # X-Forwarded-Proto 必须下发：后端 AsrService#buildRelayWsUrl 依赖它决定 ws:// 还是 wss://，
    # 缺失会导致 HTTPS 站点拿到 ws:// 地址被浏览器按 Mixed Content 拦截
    location / {
        proxy_pass http://weiyuai;
        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;
        include fastcgi_params;
    }

    ## 反向代理
    # 实时语音识别中转 WebSocket（浏览器 HTTPS 页面必须走 wss）
    location /ai/speech/realtime/relay {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://weiyuai;

        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;
        # 实时识别会话可能持续较长时间，放宽读写超时
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        include           fastcgi_params;
    }

    ## 反向代理
    # 实时语音合成（TTS）中转 WebSocket
    location /visitor/api/v1/tts/realtime {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://weiyuai;

        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_read_timeout 3600s;
        proxy_send_timeout 3600s;
        include           fastcgi_params;
    }

    ## 反向代理
    # 语音智能体（voice agent）WebSocket，前缀匹配同时覆盖 /voice/ws 与 /voice/ws/audio
    location /voice/ws {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://weiyuai;

        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_read_timeout 3600s;
        proxy_send_timeout 3600s;
        include           fastcgi_params;
    }

    ## 反向代理
    # https代理stomp连接
    location /stomp {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://weiyuai/stomp;

        # 为记录真实ip地址，而不是反向代理服务器地址
        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;
        include           fastcgi_params;
    }

    ## 反向代理
    # https代理websocket连接
    location /websocket {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://weiyuaiwss/websocket;

        # 为记录真实ip地址，而不是反向代理服务器地址
        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;
        include           fastcgi_params;
    }

    #增加两头部
    add_header X-Via $server_addr;
    add_header X-Cache $upstream_cache_status;

    ## 反向代理
    location @springboot {
		# 将nginx所有请求均跳转到9003端口
        proxy_pass http://weiyuai;

        # add_header Access-Control-Allow-Origin *; # 报错，不能添加，需要在spring boot中去掉相应的origin
        # 为记录真实ip地址，而不是反向代理服务器地址
        proxy_set_header  Host            $host;
        #  X-Real-IP 让日志的IP显示真实的客户端的IP
        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;
        include           fastcgi_params;

        # 设置缓存
        # 为应答代码为200和302的设置缓存时间为10分钟，404代码缓存10分钟。
        #proxy_cache webserver;
        #proxy_cache_valid  200 302  10m;
        proxy_cache_valid  404      10m;
	}
}