# H3C ONU设备管理系统 - Nginx站点配置

# 前端静态文件服务
server {
    listen 80;
    server_name localhost;
    
    # 根目录指向前端构建文件
    root /usr/share/nginx/html;
    index index.html;

    # Gzip压缩
    gzip_static on;

    # 静态文件缓存
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # 前端路由支持 (Vue Router history模式)
    location / {
        try_files $uri $uri/ /index.html;
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

    # API代理到后端
    location /api/ {
        proxy_pass http://backend:8000;
        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 $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # 缓冲区设置
        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
        proxy_busy_buffers_size 8k;
        
        # 禁用代理缓存
        proxy_cache off;
    }

    # WebSocket支持
    location /ws/ {
        proxy_pass http://backend:8000;
        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;
        
        # WebSocket超时设置
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
    }

    # 静态文件代理 (后端静态文件)
    location /static/ {
        alias /usr/share/nginx/static/;
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # 健康检查端点
    location /health {
        proxy_pass http://backend:8000/health;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        access_log off;
    }

    # 监控指标端点
    location /metrics {
        proxy_pass http://backend:8000/metrics;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        access_log off;
    }

    # API文档
    location /docs {
        proxy_pass http://backend:8000/docs;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    location /redoc {
        proxy_pass http://backend:8000/redoc;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # 错误页面
    error_page 404 /index.html;
    error_page 500 502 503 504 /50x.html;
    
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}

# HTTPS配置 (需要SSL证书)
# server {
#     listen 443 ssl http2;
#     server_name your-domain.com;
#     
#     # SSL证书配置
#     ssl_certificate /etc/nginx/ssl/your-domain.com.crt;
#     ssl_certificate_key /etc/nginx/ssl/your-domain.com.key;
#     
#     # SSL优化配置
#     ssl_protocols TLSv1.2 TLSv1.3;
#     ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384;
#     ssl_prefer_server_ciphers off;
#     ssl_session_cache shared:SSL:10m;
#     ssl_session_timeout 10m;
#     
#     # HSTS头
#     add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
#     
#     # 其他配置与HTTP相同
#     root /usr/share/nginx/html;
#     index index.html;
#     
#     location / {
#         try_files $uri $uri/ /index.html;
#     }
#     
#     location /api/ {
#         proxy_pass http://backend:8000;
#         # ... 其他代理配置
#     }
#     
#     # 强制HTTP重定向到HTTPS
#     # if ($scheme != "https") {
#     #     return 301 https://$host$request_uri;
#     # }
# }

# 重定向HTTP到HTTPS (如果启用HTTPS)
# server {
#     listen 80;
#     server_name your-domain.com;
#     return 301 https://$server_name$request_uri;
# }