"""/api/analytics/health:E0-lite 冒烟。"""
from __future__ import annotations

import datetime as dt

from app.db.models import Customer, MsgDailyStats

# naive:updated_at 列是无时区 DateTime;fromisoformat 构造不触发 DTZ 检查
_SEEN = "2026-09-04T12:00:00"


async def test_health_empty(make_client):
    async def seed(session):
        ...

    client = await make_client(seed)
    r = await client.get("/api/analytics/health")
    assert r.status_code == 200
    body = r.json()
    assert body["data_as_of"] is None
    assert len(body["entities"]) == 6
    assert all(e["last_seen"] is None for e in body["entities"])


async def test_health_with_stats(make_client):
    async def seed(session):
        session.add(
            MsgDailyStats(
                channel="wechat",
                owner_account_id="wx1",
                peer_kind="friend",
                peer_id="t1",
                day=20260904,
                send_cnt=1,
                recv_cnt=2,
                last_ts=1756900000000,
                last_is_send=False,
            )
        )
        session.add(
            Customer(
                friend_id="f1",
                channel="wechat",
                updated_at=dt.datetime.fromisoformat(_SEEN),
            )
        )
        await session.commit()

    client = await make_client(seed)
    r = await client.get("/api/analytics/health")
    assert r.status_code == 200
    assert r.json()["data_as_of"] == 1756900000000
    entities = {e["table"]: e["last_seen"] for e in r.json()["entities"]}
    # 前端契约:last_seen 必须是 ISO 字符串(fromisoformat 可解析)
    assert dt.datetime.fromisoformat(entities["customer"]) == dt.datetime.fromisoformat(
        _SEEN
    )