server {
    listen 80 default_server;
    server_name _;
    charset utf-8;
    client_max_body_size 100m;
    absolute_redirect off;

    # Default entry for local debugging (serve cwos-portal as root shell)
    location = / {
        root /data/cwos/frontend/cwos-portal;
        try_files /index.html =404;
    }

    # root shell 使用 hash 路由，/login 统一跳转到 hash 登录页
    location = /login {
        return 302 /#/login;
    }

    # SPA history fallback for root shell (e.g. /login, /home, /#/...)
    # Keep this after /api and other specific prefixes.
    location / {
        root /data/cwos/frontend/cwos-portal;
        try_files $uri $uri/ /index.html;
    }

    # root shell built assets are absolute /static/*
    location /static/ {
        alias /data/cwos/frontend/cwos-portal/static/;
        expires 7d;
        add_header Cache-Control "public";
        try_files $uri =404;
    }

    location = /favicon.ico {
        alias /data/cwos/frontend/cwos-portal/favicon.ico;
        try_files $uri =404;
    }

    # front_acs (access control frontend)
    location /front_acs/ {
        alias /data/cwos/frontend/front_acs/;
        index index.html;
        try_files $uri $uri/ /front_acs/index.html;
    }

    # front_acs assets when served under /front_acs/
    location /front_acs/static/ {
        alias /data/cwos/frontend/front_acs/static/;
        expires 7d;
        add_header Cache-Control "public";
        try_files $uri =404;
    }

    # alarm-front
    location /alarm-front/ {
        alias /data/cwos/frontend/alarm-front/;
        index index.html;
        try_files $uri $uri/ /alarm-front/index.html;
    }

    # heat-analysis portal
    location /heat-analysis-portal/ {
        alias /data/cwos/frontend/heat-analysis-portal/;
        index index.html;
        try_files $uri $uri/ /heat-analysis-portal/index.html;
    }

    # API proxy to local V2 backend
    location /api/ {
        proxy_pass http://host.docker.internal:18081/api/;
        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;
    }

    # Portal auth/captcha endpoints
    location /cwos-portal/ {
        proxy_pass http://host.docker.internal:18081/cwos-portal/;
        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;
    }

    # Direct elevator API proxy
    location /elevator/ {
        proxy_pass http://host.docker.internal:18081/elevator/;
        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;
    }
}