# -*- coding: utf-8 -*-
"""Unit tests for recent/former endpoint routing."""

import sys
from datetime import datetime
from pathlib import Path
from zoneinfo import ZoneInfo

import pytest

PROJECT_ROOT = Path(__file__).resolve().parents[2]
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from api.endpoint_routing import plan_calls, recent_boundary


TZ = ZoneInfo("Asia/Shanghai")


def _now():
    return datetime(2025, 12, 18, 10, 0, 0, tzinfo=TZ)


def test_recent_boundary_month_start():
    b = recent_boundary(_now())
    assert b.isoformat() == "2025-09-01T00:00:00+08:00"


def test_paylog_routes_to_former_when_old_window():
    params = {"siteId": 1, "StartPayTime": "2025-08-01 00:00:00", "EndPayTime": "2025-08-02 00:00:00"}
    calls = plan_calls("/PayLog/GetPayLogListPage", params, now=_now(), tz=TZ)
    assert [c.endpoint for c in calls] == ["/PayLog/GetFormerPayLogListPage"]


def test_coupon_usage_stays_same_path_even_when_old():
    params = {"siteId": 1, "startTime": "2025-08-01 00:00:00", "endTime": "2025-08-02 00:00:00"}
    calls = plan_calls("/Promotion/GetOfflineCouponConsumePageList", params, now=_now(), tz=TZ)
    assert [c.endpoint for c in calls] == ["/Promotion/GetOfflineCouponConsumePageList"]


def test_goods_outbound_routes_to_queryformer_when_old():
    params = {"siteId": 1, "startTime": "2025-08-01 00:00:00", "endTime": "2025-08-02 00:00:00"}
    calls = plan_calls("/GoodsStockManage/QueryGoodsOutboundReceipt", params, now=_now(), tz=TZ)
    assert [c.endpoint for c in calls] == ["/GoodsStockManage/QueryFormerGoodsOutboundReceipt"]


def test_settlement_records_split_when_crossing_boundary():
    params = {"siteId": 1, "rangeStartTime": "2025-08-15 00:00:00", "rangeEndTime": "2025-09-10 00:00:00"}
    calls = plan_calls("/Site/GetAllOrderSettleList", params, now=_now(), tz=TZ)
    assert [c.endpoint for c in calls] == ["/Site/GetFormerOrderSettleList", "/Site/GetAllOrderSettleList"]
    assert calls[0].params["rangeEndTime"] == "2025-09-01 00:00:00"
    assert calls[1].params["rangeStartTime"] == "2025-09-01 00:00:00"


@pytest.mark.parametrize(
    "endpoint",
    [
        "/PayLog/GetFormerPayLogListPage",
        "/Site/GetFormerOrderSettleList",
        "/GoodsStockManage/QueryFormerGoodsOutboundReceipt",
    ],
)
def test_explicit_former_endpoint_not_rerouted(endpoint):
    params = {"siteId": 1, "startTime": "2025-08-01 00:00:00", "endTime": "2025-08-02 00:00:00"}
    calls = plan_calls(endpoint, params, now=_now(), tz=TZ)
    assert [c.endpoint for c in calls] == [endpoint]