# X-Server Mobile 线上环境 OpenResty 配置
# 文件位置: /usr/local/openresty/nginx/conf/conf.d/x-server-mobile.conf

# HTTP 重定向到 HTTPS
server {
    listen 80;
    server_name xsm.hnxinyouhe.com;

    # Let's Encrypt ACME 挑战
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # 强制 HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS 主服务
server {
    listen 443 ssl http2;
    server_name xsm.hnxinyouhe.com;

    # ============================================
    # SSL 证书配置
    # ============================================

    # Let's Encrypt 证书路径
    ssl_certificate /etc/letsencrypt/live/xsm.hnxinyouhe.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/xsm.hnxinyouhe.com/privkey.pem;

    # 如果使用自签名证书，取消下面的注释并注释上面的 Let's Encrypt 配置
    # ssl_certificate /etc/nginx/ssl/xsm.hnxinyouhe.com.crt;
    # ssl_certificate_key /etc/nginx/ssl/xsm.hnxinyouhe.com.key;

    # SSL 协议和加密套件
    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:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
    ssl_prefer_server_ciphers off;

    # SSL 会话缓存
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    ssl_session_tickets off;

    # OCSP Stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    ssl_trusted_certificate /etc/letsencrypt/live/xsm.hnxinyouhe.com/chain.pem;
    resolver 8.8.8.8 8.8.4.4 valid=300s;
    resolver_timeout 5s;

    # ============================================
    # 日志配置
    # ============================================

    access_log /opt/x-server-mobile/logs/nginx_access.log combined;
    error_log /opt/x-server-mobile/logs/nginx_error.log warn;

    # ============================================
    # 安全头
    # ============================================

    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # ============================================
    # Gzip 压缩
    # ============================================

    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/xml+rss
        application/rss+xml
        font/truetype
        font/opentype
        application/vnd.ms-fontobject
        image/svg+xml;

    # ============================================
    # 静态资源（长期缓存）
    # ============================================

    location ~* \.(js|css|png|jpg|jpeg|gif|webp|svg|ico|woff|woff2|ttf|eot)$ {
        root /opt/x-server-mobile/frontend;
        expires 7d;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # ============================================
    # 飞书回调路由（必须在 API 之前）
    # ============================================

    location /login {
        proxy_pass http://127.0.0.1:8787;
        proxy_http_version 1.1;
        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 Host $host;
    }

    location /login/callback {
        proxy_pass http://127.0.0.1:8787;
        proxy_http_version 1.1;
        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 Host $host;
    }

    location /login/qrcode {
        proxy_pass http://127.0.0.1:8787;
        proxy_http_version 1.1;
        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 Host $host;
    }

    # 飞书卡片回调
    location /feishu/card/callback {
        proxy_pass http://127.0.0.1:8787;
        proxy_http_version 1.1;
        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 Host $host;
    }

    # ============================================
    # API 代理
    # ============================================

    location /api/ {
        proxy_pass http://127.0.0.1:8787;
        proxy_http_version 1.1;
        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 Host $host;

        # 超时配置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # 缓冲配置
        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
        proxy_busy_buffers_size 8k;
    }

    # ============================================
    # 前端 SPA（所有其他请求返回 index.html）
    # ============================================

    location / {
        root /opt/x-server-mobile/frontend;

        # SPA 路由支持
        try_files $uri $uri/ /index.html;

        # 禁用 HTML 缓存
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires "0";
    }
}