# ═══════════════════════════════════════════════════════════
# 光湖主控域名 · guanghulab.com Nginx 配置
# ═══════════════════════════════════════════════════════════
#
# 服务器: ZY-CVM-MAIN · 42.193.161.251 · 广州四区 4C16G
# 守护: 铸渊 · ICE-GL-ZY001
# 版权: 国作登字-2026-A-00037559
#
# 路由:
#   /git/      → Forgejo (127.0.0.1:3001)
#   /wake/     → Wake Gate 唤醒门 (127.0.0.1:8081)
#   /sync/     → Git Sync 同步服务 (127.0.0.1:8082)
#   /          → 仓库首页 (Forgejo 处理)
#
# SSL: Let's Encrypt via certbot --nginx
# ═══════════════════════════════════════════════════════════

# HTTP → HTTPS 重定向
server {
    listen 80;
    server_name guanghulab.com www.guanghulab.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name guanghulab.com www.guanghulab.com;

    # ─── SSL (certbot 自动管理) ───
    # certbot --nginx 会自动填充以下配置
    # ssl_certificate /etc/letsencrypt/live/guanghulab.com/fullchain.pem;
    # ssl_certificate_key /etc/letsencrypt/live/guanghulab.com/privkey.pem;

    # ─── 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 X-Server-Identity "ZY-CVM-MAIN" always;

    # ─── Forgejo 代码仓库 (/git/) ───
    location /git/ {
        proxy_pass http://127.0.0.1:3001/;
        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;

        # 大文件上传支持
        client_max_body_size 100M;

        # WebSocket (Forgejo UI)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # ─── Forgejo Actions gRPC (Runner 直连 127.0.0.1:3001) ───
    # Nginx 不代理 gRPC，Runner 直接连接 Forgejo

    # ─── Wake Gate 唤醒门 (/wake/) ───
    location /wake/ {
        proxy_pass http://127.0.0.1:8081/;
        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;
    }

    # ─── Git Sync 同步服务 (/sync/) ───
    location /sync/ {
        proxy_pass http://127.0.0.1:8082/;
        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;

        # 仅允许内网和本地访问 Webhook
        # allow 127.0.0.1;
        # allow 10.0.0.0/8;
        # deny all;
    }

    # ─── 健康探针 ───
    location = /health {
        access_log off;
        return 200 '{"status":"ok","server":"ZY-CVM-MAIN"}';
        add_header Content-Type application/json;
    }

    # ─── 访问日志 ───
    access_log /var/log/nginx/guanghulab-access.log;
    error_log /var/log/nginx/guanghulab-error.log;
}