import logging
import threading
from collections.abc import Mapping
from datetime import UTC, date, datetime
from decimal import Decimal

import pytest

from zhixing_server.modules.sector_radar.domain.models import SectorType
from zhixing_server.modules.sector_radar.domain.source import (
    CapabilityStatus,
    SourceContractError,
    build_source_snapshot,
)
from zhixing_server.modules.sector_radar.infrastructure import tushare as source_module
from zhixing_server.modules.sector_radar.infrastructure.tushare import (
    TushareSectorRadarAdapter,
)

TARGET_DATE = date(2026, 8, 28)
OBSERVED_AT = datetime(2026, 8, 28, 17, 30, tzinfo=UTC)


class QueryClient:
    def __init__(self, responses: Mapping[tuple[str, str], object]) -> None:
        self.responses = dict(responses)
        self.calls: list[tuple[str, dict[str, object]]] = []
        self._lock = threading.Lock()

    def query(self, api_name: str, **kwargs: object) -> object:
        partition = str(kwargs.get("ts_code") or kwargs.get("list_status") or "")
        with self._lock:
            self.calls.append((api_name, kwargs))
            response = self.responses.get((api_name, partition), ())
        if isinstance(response, BaseException):
            raise response
        return response


def make_adapter(client: object) -> TushareSectorRadarAdapter:
    return TushareSectorRadarAdapter(
        client,
        max_retries=0,
        request_interval_seconds=0,
        sleep_fn=lambda _: None,
        now_fn=lambda: OBSERVED_AT,
    )


def moneyflow_record(
    ts_code: str,
    *,
    trade_date: str = "20260828",
) -> dict[str, object]:
    return {
        "trade_date": trade_date,
        "ts_code": ts_code,
        "name": ts_code,
        "net_amount": "1",
        "net_amount_rate": "0.1",
        "pct_change": "1",
        "close": "10",
    }


def test_daily_and_moneyflow_keep_source_units_and_distinguish_missing_from_zero() -> None:
    client = QueryClient(
        {
            (
                "daily",
                "",
            ): (
                {
                    "ts_code": "000001.SZ",
                    "trade_date": "20260828",
                    "close": "10",
                    "pre_close": "9.5",
                    "pct_chg": "1.5",
                    "vol": "100",
                    "amount": "12.5",
                },
                {
                    "ts_code": "000002.SZ",
                    "trade_date": "20260828",
                    "close": "20",
                    "pre_close": "20",
                    "pct_chg": "0",
                    "vol": "0",
                    "amount": float("nan"),
                },
            ),
            (
                "moneyflow_dc",
                "",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "000001.SZ",
                    "name": "平安银行",
                    "net_amount": "2.5",
                    "net_amount_rate": "0.2",
                    "pct_change": "1.5",
                    "close": "10",
                },
                {
                    "trade_date": "20260828",
                    "ts_code": "000002.SZ",
                    "name": "示例股票",
                    "net_amount": "0",
                    "net_amount_rate": "0",
                    "pct_change": "0",
                    "close": "20",
                },
            ),
        }
    )
    adapter = make_adapter(client)

    daily = adapter.fetch_daily(TARGET_DATE)
    moneyflow = adapter.fetch_moneyflow_dc(TARGET_DATE, ("000001.SZ", "000002.SZ"))

    assert daily.rows[0].amount_thousand_yuan == Decimal("12.5")
    assert daily.rows[0].turnover_yuan == Decimal("12500.0")
    assert daily.rows[1].amount_thousand_yuan is None
    assert moneyflow.rows[0].net_amount_ten_thousand_yuan == Decimal("2.5")
    assert moneyflow.rows[0].net_amount_yuan == Decimal("25000.0")
    assert moneyflow.rows[1].net_amount_yuan == Decimal("0")
    assert client.calls[0][1]["fields"] == ",".join(source_module.FIELDS["daily"])


def test_moneyflow_accepts_a_full_initial_snapshot_at_the_provider_limit(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setitem(source_module.ROW_LIMITS, "moneyflow_dc", 2)
    client = QueryClient(
        {
            ("moneyflow_dc", ""): (
                moneyflow_record("000001.SZ"),
                moneyflow_record("000002.SZ"),
            )
        }
    )

    result = make_adapter(client).fetch_moneyflow_dc(
        TARGET_DATE,
        ("000001.SZ", "000002.SZ"),
    )

    assert result.snapshots[0].limit_reached is True
    assert [row.ts_code for row in result.rows] == ["000001.SZ", "000002.SZ"]
    assert len(client.calls) == 1


@pytest.mark.parametrize(
    ("initial_rows", "message"),
    (
        ((moneyflow_record("000001.SZ", trade_date="20260827"),), "trade_date"),
        (
            (moneyflow_record("000001.SZ"), moneyflow_record("000001.SZ")),
            "duplicate business keys",
        ),
    ),
)
def test_moneyflow_initial_contract_errors_fail_closed(
    initial_rows: tuple[dict[str, object], ...],
    message: str,
) -> None:
    client = QueryClient({("moneyflow_dc", ""): initial_rows})

    with pytest.raises(SourceContractError, match=message):
        make_adapter(client).fetch_moneyflow_dc(TARGET_DATE, ())


def test_moneyflow_refills_only_missing_codes_in_stable_snapshot_order(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setitem(source_module.ROW_LIMITS, "moneyflow_dc", 3)
    third_finished = threading.Event()
    completion_order: list[str] = []
    completion_lock = threading.Lock()

    class ReverseCompletionClient(QueryClient):
        def query(self, api_name: str, **kwargs: object) -> object:
            response = super().query(api_name, **kwargs)
            ts_code = str(kwargs.get("ts_code") or "")
            if ts_code == "000004.SZ":
                if not third_finished.wait(timeout=2):
                    raise AssertionError("second moneyflow worker did not start")
            elif ts_code == "000005.SZ":
                third_finished.set()
            if ts_code:
                with completion_lock:
                    completion_order.append(ts_code)
            return response

    client = ReverseCompletionClient(
        {
            ("moneyflow_dc", ""): tuple(
                moneyflow_record(f"00000{index}.SZ") for index in range(1, 4)
            ),
            ("moneyflow_dc", "000004.SZ"): (moneyflow_record("000004.SZ"),),
            ("moneyflow_dc", "000005.SZ"): (moneyflow_record("000005.SZ"),),
        }
    )

    result = make_adapter(client).fetch_moneyflow_dc(
        TARGET_DATE,
        tuple(f"00000{index}.SZ" for index in range(1, 6)),
    )

    assert completion_order == ["000005.SZ", "000004.SZ"]
    assert [snapshot.partition_key for snapshot in result.snapshots] == [
        "all",
        "000004.SZ",
        "000005.SZ",
    ]
    assert [row.ts_code for row in result.rows] == [
        "000001.SZ",
        "000002.SZ",
        "000003.SZ",
        "000004.SZ",
        "000005.SZ",
    ]
    assert len(client.calls) == 3


def test_moneyflow_empty_and_exhausted_refills_remain_real_gaps(
    caplog: pytest.LogCaptureFixture,
) -> None:
    client = QueryClient(
        {
            ("moneyflow_dc", ""): (moneyflow_record("000001.SZ"),),
            ("moneyflow_dc", "000002.SZ"): (),
            ("moneyflow_dc", "000003.SZ"): RuntimeError("private provider payload"),
        }
    )
    caplog.set_level(
        logging.WARNING,
        logger="zhixing_server.modules.sector_radar.infrastructure.tushare",
    )

    result = make_adapter(client).fetch_moneyflow_dc(
        TARGET_DATE,
        ("000001.SZ", "000002.SZ", "000003.SZ"),
    )

    assert [row.ts_code for row in result.rows] == ["000001.SZ"]
    assert [snapshot.partition_key for snapshot in result.snapshots] == ["all"]
    messages = "\n".join(record.getMessage() for record in caplog.records)
    assert "partition_empty partition_key=000002.SZ" in messages
    assert "partition_failed partition_key=000003.SZ" in messages
    assert "private provider payload" not in messages


@pytest.mark.parametrize(
    ("partition_rows", "row_limit", "message"),
    (
        ((moneyflow_record("000002.SZ", trade_date="20260827"),), 6_000, "trade_date"),
        ((moneyflow_record("000099.SZ"),), 6_000, "different ts_code"),
        (
            (moneyflow_record("000002.SZ"), moneyflow_record("000002.SZ")),
            6_000,
            "duplicate business keys",
        ),
        (
            (moneyflow_record("000002.SZ"), moneyflow_record("000002.SZ")),
            2,
            "provider row limit",
        ),
    ),
)
def test_moneyflow_partition_contract_errors_fail_closed(
    monkeypatch: pytest.MonkeyPatch,
    partition_rows: tuple[dict[str, object], ...],
    row_limit: int,
    message: str,
) -> None:
    monkeypatch.setitem(source_module.ROW_LIMITS, "moneyflow_dc", row_limit)
    client = QueryClient(
        {
            ("moneyflow_dc", ""): (moneyflow_record("000001.SZ"),),
            ("moneyflow_dc", "000002.SZ"): partition_rows,
        }
    )

    with pytest.raises(SourceContractError, match=message):
        make_adapter(client).fetch_moneyflow_dc(
            TARGET_DATE,
            ("000001.SZ", "000002.SZ"),
        )


def test_non_finite_source_values_are_rejected() -> None:
    client = QueryClient(
        {
            (
                "daily",
                "",
            ): (
                {
                    "ts_code": "000001.SZ",
                    "trade_date": "20260828",
                    "close": "Infinity",
                    "pre_close": "9.5",
                    "pct_chg": "1.5",
                    "vol": "100",
                    "amount": "12.5",
                },
            )
        }
    )

    with pytest.raises(SourceContractError, match="finite"):
        make_adapter(client).fetch_daily(TARGET_DATE)


def test_contract_failure_log_identifies_member_partition_without_payload(
    caplog: pytest.LogCaptureFixture,
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setitem(source_module.ROW_LIMITS, "dc_member", 2)
    client = QueryClient(
        {
            (
                "dc_member",
                "",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000001.SZ",
                    "name": "private-payload-marker",
                },
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000002.SZ",
                    "name": "private-payload-marker",
                },
            ),
            (
                "dc_member",
                "BK0001.DC",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK9999.DC",
                    "con_code": "000001.SZ",
                    "name": "private-payload-marker",
                },
            ),
        }
    )
    caplog.set_level(
        logging.ERROR,
        logger="zhixing_server.modules.sector_radar.infrastructure.tushare",
    )

    with pytest.raises(SourceContractError, match="different sector"):
        make_adapter(client).fetch_sector_members(TARGET_DATE, ("BK0001.DC",))

    messages = "\n".join(record.getMessage() for record in caplog.records)
    assert "sector_radar_source_contract_failed" in messages
    assert "api_name=dc_member" in messages
    assert "partition_key=BK0001.DC" in messages
    assert "validation=dc_member partition returned a different sector" in messages
    assert "private-payload-marker" not in messages
    assert len(caplog.records) == 1


def test_merged_member_contract_failure_has_one_interface_level_log(
    caplog: pytest.LogCaptureFixture,
) -> None:
    duplicate = {
        "trade_date": "20260828",
        "ts_code": "BK0001.DC",
        "con_code": "000001.SZ",
        "name": "private-payload-marker",
    }
    client = QueryClient({("dc_member", ""): (duplicate, duplicate)})
    caplog.set_level(
        logging.ERROR,
        logger="zhixing_server.modules.sector_radar.infrastructure.tushare",
    )

    with pytest.raises(SourceContractError, match="duplicate business keys"):
        make_adapter(client).fetch_sector_members(TARGET_DATE, ("BK0001.DC",))

    messages = "\n".join(record.getMessage() for record in caplog.records)
    assert "api_name=dc_member" in messages
    assert "partition_key=merged" in messages
    assert "validation=dc_member returned duplicate business keys" in messages
    assert "private-payload-marker" not in messages
    assert len(caplog.records) == 1


def test_dc_member_reloads_by_sector_when_the_all_market_call_hits_limit(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setitem(source_module.ROW_LIMITS, "dc_member", 2)
    client = QueryClient(
        {
            (
                "dc_member",
                "",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000001.SZ",
                    "name": "A",
                },
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000002.SZ",
                    "name": "B",
                },
            ),
            (
                "dc_member",
                "BK0001.DC",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000001.SZ",
                    "name": "A",
                },
            ),
            (
                "dc_member",
                "BK0002.DC",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0002.DC",
                    "con_code": "600000.SH",
                    "name": "C",
                },
            ),
        }
    )

    result = make_adapter(client).fetch_sector_members(
        TARGET_DATE,
        ("BK0001.DC", "BK0002.DC"),
    )

    assert [row.stock_code for row in result.rows] == ["000001.SZ", "600000.SH"]
    assert [snapshot.partition_key for snapshot in result.snapshots] == [
        "all",
        "BK0001.DC",
        "BK0002.DC",
    ]


def test_dc_member_preserves_an_explicit_empty_partition() -> None:
    client = QueryClient(
        {
            (
                "dc_member",
                "",
            ): (
                {
                    "trade_date": "20260828",
                    "ts_code": "BK0001.DC",
                    "con_code": "000001.SZ",
                    "name": "A",
                },
            ),
            ("dc_member", "BK0002.DC"): (),
        }
    )

    result = make_adapter(client).fetch_sector_members(
        TARGET_DATE,
        ("BK0001.DC", "BK0002.DC"),
    )

    assert [row.sector_code for row in result.rows] == ["BK0001.DC"]
    assert [snapshot.partition_key for snapshot in result.snapshots] == [
        "all",
        "BK0002.DC",
    ]
    assert result.snapshots[1].row_count == 0


def test_stock_basic_requests_only_current_listings() -> None:
    client = QueryClient(
        {
            (
                "stock_basic",
                "L",
            ): (
                {
                    "ts_code": "000001.SZ",
                    "symbol": "000001",
                    "name": "L",
                    "market": "主板",
                    "exchange": "SZSE",
                    "list_status": "L",
                    "list_date": "20200101",
                    "delist_date": None,
                },
            )
        }
    )

    result = make_adapter(client).fetch_stock_basics()

    assert {row.list_status for row in result.rows} == {"L"}
    assert [snapshot.partition_key for snapshot in result.snapshots] == ["L"]
    assert [call[1]["list_status"] for call in client.calls] == ["L"]


def test_stock_basic_rejects_a_non_listed_row_from_the_l_partition() -> None:
    client = QueryClient(
        {
            ("stock_basic", "L"): (
                {
                    "ts_code": "000001.SZ",
                    "symbol": "000001",
                    "name": "unexpected",
                    "market": "主板",
                    "exchange": "SZSE",
                    "list_status": "D",
                    "list_date": "20200101",
                    "delist_date": "20260828",
                },
            )
        }
    )

    with pytest.raises(SourceContractError, match="unexpected list_status"):
        make_adapter(client).fetch_stock_basics()


def test_suspend_timing_may_be_missing_while_suspend_type_remains_required() -> None:
    client = QueryClient(
        {
            (
                "suspend_d",
                "",
            ): (
                {
                    "ts_code": "000001.SZ",
                    "trade_date": "20260828",
                    "suspend_timing": None,
                    "suspend_type": "S",
                },
            )
        }
    )

    result = make_adapter(client).fetch_suspensions(TARGET_DATE)

    assert result.rows[0].suspend_timing is None
    assert result.rows[0].suspend_type == "S"

    missing_type = QueryClient(
        {
            (
                "suspend_d",
                "",
            ): (
                {
                    "ts_code": "000001.SZ",
                    "trade_date": "20260828",
                    "suspend_timing": None,
                    "suspend_type": None,
                },
            )
        }
    )
    with pytest.raises(SourceContractError, match="suspend_type must be a non-empty string"):
        make_adapter(missing_type).fetch_suspensions(TARGET_DATE)


def test_source_snapshot_hash_is_order_stable_and_excludes_token_params() -> None:
    first = build_source_snapshot(
        api_name="daily",
        params={"trade_date": "20260828", "token": "secret"},
        rows=({"ts_code": "2"}, {"ts_code": "1"}),
        target_trade_date=TARGET_DATE,
        observed_at=OBSERVED_AT,
    )
    second = build_source_snapshot(
        api_name="daily",
        params={"trade_date": "20260828"},
        rows=({"ts_code": "1"}, {"ts_code": "2"}),
        target_trade_date=TARGET_DATE,
        observed_at=OBSERVED_AT,
    )

    assert first.snapshot_id == second.snapshot_id
    assert "secret" not in repr(first)


def test_source_snapshot_identity_includes_schema_and_limit_metadata() -> None:
    first = build_source_snapshot(
        api_name="daily",
        params={"trade_date": "20260828"},
        rows=({"ts_code": "000001.SZ"},),
        target_trade_date=TARGET_DATE,
        observed_at=OBSERVED_AT,
        returned_fields=("ts_code",),
        row_limit=1,
    )
    changed_schema = build_source_snapshot(
        api_name="daily",
        params={"trade_date": "20260828"},
        rows=({"ts_code": "000001.SZ"},),
        target_trade_date=TARGET_DATE,
        observed_at=OBSERVED_AT,
        returned_fields=("name", "ts_code"),
        row_limit=1,
    )
    changed_limit = build_source_snapshot(
        api_name="daily",
        params={"trade_date": "20260828"},
        rows=({"ts_code": "000001.SZ"},),
        target_trade_date=TARGET_DATE,
        observed_at=OBSERVED_AT,
        returned_fields=("ts_code",),
        row_limit=2,
    )

    assert first.content_sha256 != changed_schema.content_sha256
    assert first.snapshot_id != changed_schema.snapshot_id
    assert first.content_sha256 != changed_limit.content_sha256
    assert first.snapshot_id != changed_limit.snapshot_id


def test_capability_probe_classifies_errors_without_exposing_provider_text() -> None:
    client = QueryClient({("daily", ""): RuntimeError("权限不足 private-detail")})

    probe = make_adapter(client).probe(TARGET_DATE)

    by_name = {result.api_name: result for result in probe.interfaces}
    assert by_name["daily"].status is CapabilityStatus.FORBIDDEN
    assert "private-detail" not in repr(probe)
    assert len(probe.interfaces) == 7


def test_sector_index_uses_independent_concept_and_industry_params() -> None:
    client = QueryClient(
        {
            (
                "dc_index",
                "",
            ): (
                {
                    "ts_code": "BK0001.DC",
                    "trade_date": "20260828",
                    "name": "示例",
                    "idx_type": "概念板块",
                    "level": "一级",
                    "pct_change": "1",
                    "leading_code": "000001.SZ",
                },
            )
        }
    )

    result = make_adapter(client).fetch_sector_indices(TARGET_DATE, SectorType.CONCEPT)

    assert result.rows[0].sector_type is SectorType.CONCEPT
    assert client.calls[0][1]["idx_type"] == "概念板块"