#!/bin/bash
# =============================================================================
# NAS 部署诊断脚本 — 快速排查后端 502 问题
# =============================================================================
# 用法：SSH 登录 NAS 后执行
#   cd /volume1/docker/wecom-it-desk
#   bash diagnose.sh
# =============================================================================

echo "============================================"
echo "  智能IT支持服务台 — NAS 部署诊断"
echo "============================================"
echo ""

# 1. 容器状态
echo "--- [1/5] 容器状态 ---"
docker compose -f docker-compose.nas.yml ps
echo ""

# 2. 后端日志（最近 50 行）
echo "--- [2/5] 后端日志（最近 50 行）---"
docker compose -f docker-compose.nas.yml logs --tail 50 backend
echo ""

# 3. Nginx 日志（最近 20 行）
echo "--- [3/5] Nginx 错误日志（最近 20 行）---"
docker compose -f docker-compose.nas.yml logs --tail 20 nginx
echo ""

# 4. Cloudflared 日志（最近 20 行）
echo "--- [4/5] Cloudflared 日志（最近 20 行）---"
docker compose -f docker-compose.nas.yml logs --tail 20 cloudflared
echo ""

# 5. 内网直连测试
echo "--- [5/5] 内网直连测试 ---"
echo "测试 nginx (localhost:18080)..."
curl -s -o /dev/null -w "  HTTP %{http_code}" http://localhost:18080/itdesk/ 2>/dev/null || echo "  失败"
echo ""
echo "测试后端 API (localhost:18080/api/health)..."
curl -s -w "  HTTP %{http_code}" http://localhost:18080/api/health 2>/dev/null || echo "  失败"
echo ""
echo "测试后端容器内部..."
docker exec wecom_it_backend curl -s http://localhost:8000/health 2>/dev/null || echo "  后端容器内 health 检查失败"
echo ""

echo "============================================"
echo "  诊断完成，请将以上输出发给我"
echo "============================================"