from datetime import date
from decimal import Decimal

import pytest

from app.core.contracts import RequestContext
from app.core.fund_contracts import FundQuote
from app.service import fund_quote_service
from app.service.fund_quote_service import query_fund_quote_tool


@pytest.mark.asyncio
async def test_query_fund_quote_tool_returns_stable_payload(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    class StubService:
        async def query(self, query: object) -> list[FundQuote]:
            return [FundQuote(
                fund_code="159511", fund_name="测试基金", fund_type="股票型",
                nav=Decimal("1.20"), nav_date=date(2026, 9, 9),
                quote_time="2026-09-09T10:00:00+08:00",
                quote_source="eastmoney", is_intraday=True,
            )]

    class Factory:
        @staticmethod
        def create() -> object:
            return object()

    monkeypatch.setattr(fund_quote_service.EastmoneyAdapterFactory, "create", Factory.create)
    monkeypatch.setattr(
        fund_quote_service,
        "FundQuoteService",
        lambda _adapter, **_kwargs: StubService(),
    )
    result = await query_fund_quote_tool(
        fund_quote_service.FundQuoteQuery(fund_codes=("159511",)),
        RequestContext(user_id="1", trace_id="quote"),
    )
    assert result[0]["fund_code"] == "159511"
    assert result[0]["nav"] == "1.20"