"""Application-level state and port mapping tests."""

from datetime import date

from zhixing_server.modules.selection.application.evaluate import EvaluateZhixingB1
from zhixing_server.modules.selection.domain.models import StockHistory
from zhixing_server.modules.selection.domain.ports import MarketDataReaderError

TARGET = date(2024, 1, 2)


class EmptyReader:
    def load_history(self, ts_code: str, target_trade_date: date) -> StockHistory:
        return StockHistory(ts_code=ts_code, name="", bars=())


class FailingReader:
    def load_history(self, ts_code: str, target_trade_date: date) -> StockHistory:
        raise MarketDataReaderError(f"database unavailable for {ts_code}")


def test_evaluate_maps_reader_error_to_data_error() -> None:
    result = EvaluateZhixingB1(FailingReader()).execute("000001.SZ", TARGET)
    assert result.status == "data_error"
    assert result.signals == ()
    assert "000001.SZ" in (result.reason or "")


def test_evaluate_distinguishes_missing_target_from_reader_error() -> None:
    result = EvaluateZhixingB1(EmptyReader()).execute("000001.SZ", TARGET)
    assert result.status == "missing_target_bar"