#!/bin/bash
# ============================================
# 丹阳公益婚恋服务平台 — 上线首日监控检查
# ============================================
set -euo pipefail

echo "============================================"
echo " 丹阳公益婚恋平台 — 上线首日监控"
echo " $(date '+%Y-%m-%d %H:%M:%S')"
echo "============================================"
echo ""

# 1. 服务健康
echo "【1. 服务健康】"
docker compose -f "${COMPOSE_FILE:-../infrastructure/docker-compose.prod.yml}" ps 2>/dev/null | grep -E "backend|postgres|redis|nginx" || echo "  ⚠️ Docker Compose未运行，跳过容器检查"

# 2. 错误日志
echo ""
echo "【2. 错误日志检查（最近100行）】"
docker logs danyang-match-backend --tail 100 2>/dev/null | grep -i "error\|exception\|fatal" | tail -5 || echo "  ✅ 无ERROR日志"

# 3. 数据库连接
echo ""
echo "【3. 数据库连接】"
docker exec danyang-match-postgres pg_isready -U "${DB_USER:-danyang}" 2>/dev/null && \
    echo "  ✅ PostgreSQL连接正常" || echo "  ❌ PostgreSQL连接异常"

# 4. Redis连接
echo ""
echo "【4. Redis连接】"
docker exec danyang-match-redis redis-cli ping 2>/dev/null | grep -q PONG && \
    echo "  ✅ Redis连接正常" || echo "  ⚠️ Redis不可用（可接受：非核心依赖）"

# 5. 磁盘空间
echo ""
echo "【5. 磁盘空间】"
DISK_USAGE=$(df -h / 2>/dev/null | awk 'NR==2{print $5}' || echo "unknown")
echo "  根分区使用: ${DISK_USAGE}"
if [ "${DISK_USAGE%"%"}" -gt 80 ] 2>/dev/null; then
    echo "  ⚠️ 磁盘使用超过80%，请关注"
fi

# 6. 内存使用
echo ""
echo "【6. 内存使用】"
docker stats --no-stream --format "table {{.Name}}\t{{.MemUsage}}" 2>/dev/null || true

# 7. 关键API响应时间
echo ""
echo "【7. API响应时间】"
for endpoint in "/api/v1/health/live" "/api/v1/users" "/api/v1/matches/recommendations"; do
    TIME=$(curl -s -o /dev/null -w "%{time_total}s" "http://localhost:8080${endpoint}" 2>/dev/null || echo "N/A")
    echo "  ${endpoint}: ${TIME}"
done

# 8. 举报/申诉数量
echo ""
echo "【8. 业务指标（生产环境）】"
echo "  ⚠️ 请通过后台管理界面查看实时统计数据"

echo ""
echo "============================================"
echo " 上线首日监控完成"
echo " 如发现异常，请立即执行:"
echo "   docker compose -f infrastructure/docker-compose.prod.yml restart"
echo "   或联系技术负责人"
echo "============================================"