"""日志查询模型单元测试。

守的是**时间范围校验**与**时区归一**：起始晚于结束时必须拒绝 —— 放过去
的话 SQL 条件互斥、查询恒为空，使用者会以为是"没有数据"而不是"条件写反了"；
带时区的输入必须转换为本地 naive 时间 —— 不转换时 aware/naive 混用比较
抛 TypeError（穿透成 500），或偏移被驱动静默丢弃（查询窗口偏 8 小时）。
"""

from datetime import UTC, datetime

import pytest
from pydantic import ValidationError

from app.schemas.log import LoginLogQuery, OperationLogQuery


class TestTimeRange:
    """start_time ≤ end_time 校验（两类日志共用基类）。"""

    def test_合法范围通过(self) -> None:
        query = OperationLogQuery(
            start_time=datetime(2026, 10, 1, 0, 0, 0), end_time=datetime(2026, 10, 10, 0, 0, 0)
        )
        assert query.start_time is not None

    def test_起始晚于结束被拒(self) -> None:
        with pytest.raises(ValidationError):
            OperationLogQuery(start_time=datetime(2026, 10, 2), end_time=datetime(2026, 10, 1))

    def test_登录日志同样校验(self) -> None:
        with pytest.raises(ValidationError):
            LoginLogQuery(start_time=datetime(2026, 10, 2), end_time=datetime(2026, 10, 1))

    def test_边界相等通过(self) -> None:
        moment = datetime(2026, 10, 1, 12, 0, 0)
        assert OperationLogQuery(start_time=moment, end_time=moment).start_time == moment

    def test_仅传一端不校验(self) -> None:
        assert OperationLogQuery(start_time=datetime(2026, 10, 1)).end_time is None
        assert OperationLogQuery(end_time=datetime(2026, 10, 1)).start_time is None


class TestQueryFields:
    """筛选字段边界。"""

    def test_成功标记只能为0或1(self) -> None:
        assert OperationLogQuery(success=0).success == 0
        with pytest.raises(ValidationError):
            OperationLogQuery(success=2)

    def test_分页别名与偏移(self) -> None:
        query = OperationLogQuery(pageNum=2, pageSize=50)
        assert query.offset == 50

    def test_操作日志筛选字段(self) -> None:
        query = OperationLogQuery(module="用户管理", action="删除", username="adm")
        assert (query.module, query.action, query.username) == ("用户管理", "删除", "adm")

    def test_登录日志按IP精确筛选(self) -> None:
        assert LoginLogQuery(ip="10.0.0.1").ip == "10.0.0.1"


class TestTimezoneNormalization:
    """时区归一。

    回归背景：混合 aware/naive 比较曾抛 TypeError 穿透成 500；aware 直传
    曾被驱动静默丢弃偏移（查询窗口整体偏 8 小时且无提示）。
    """

    def test_utc后缀被转换为本地时间(self) -> None:
        """Z 后缀 = UTC 零点 = 东八区本地 08:00（与库列的本地时间口径对齐）。"""
        query = OperationLogQuery(start_time="2026-10-01T00:00:00Z")
        assert query.start_time == datetime(2026, 10, 1, 8, 0, 0)

    def test_混合aware与naive不再抛比较错误(self) -> None:
        query = OperationLogQuery(
            start_time=datetime(2026, 10, 1, 0, 0, 0),
            end_time=datetime(2026, 10, 2, 0, 0, 0, tzinfo=UTC),
        )
        assert query.end_time is not None
        assert query.end_time.tzinfo is None  # 已摘除

    def test_归一后范围校验仍按本地口径生效(self) -> None:
        with pytest.raises(ValidationError):
            OperationLogQuery(
                start_time="2026-10-02T00:00:00Z",  # 本地 10-02 08:00
                end_time="2026-10-01 12:00:00",  # 本地 10-01 12:00，早于起始
            )

    def test_naive时间视为本地原样保留(self) -> None:
        moment = datetime(2026, 10, 1, 12, 0, 0)
        assert OperationLogQuery(start_time=moment).start_time == moment