"""验证预警规则系统"""
import sys, os, json
sys.path.insert(0, '/root/cma-management/backend')
os.chdir('/root/cma-management/backend')
from dotenv import load_dotenv
load_dotenv()
from app.database import get_session_local
from app.models import KPIDefinition
from sqlalchemy import text, func

db = get_session_local()()

# 检查 alert_rules 表
try:
    total = db.execute(text("SELECT COUNT(*) FROM alert_rules")).scalar()
    type_counts = db.execute(text("SELECT rule_type, COUNT(*) FROM alert_rules GROUP BY rule_type")).fetchall()
    print(f"Total alert rules: {total}")
    for t, c in type_counts:
        print(f"  {t}: {c}")
except Exception as e:
    print(f"表不存在: {e}")

# 检查 dynamic_threshold_cache
try:
    dc = db.execute(text("SELECT COUNT(*) FROM dynamic_threshold_cache")).scalar()
    print(f"Dynamic threshold caches: {dc}")
except Exception as e:
    print(f"dynamic_threshold_cache表不存在: {e}")

# 取样显示预警规则
try:
    samples = db.execute(text("""
        SELECT ar.id, ar.kpi_id, ar.rule_type, ar.enabled, ar.params, k.kpi_code, k.kpi_name
        FROM alert_rules ar
        LEFT JOIN kpi_definitions k ON k.id = ar.kpi_id
        LIMIT 6
    """)).fetchall()
    print("\nSample rules:")
    for s in samples:
        print(f"  [{s.id}] {s.kpi_code}({s.kpi_name}) type={s.rule_type} enabled={s.enabled}")
except Exception as e:
    print(f"查询失败: {e}")

# 总KPI数验证
total_kpis = db.execute(text("SELECT COUNT(*) FROM kpi_definitions WHERE status='active'")).scalar()
print(f"\nTotal active KPIs: {total_kpis}")

db.close()
print("\n✅ 验证完成")