# app/tests/unit/trading/auto/test_execution_quality.py

from __future__ import annotations

from types import SimpleNamespace

import pytest

import src.trading.auto.execution_quality as module
from src.integrations.exchange.models import ExecutionPriceSnapshot
from src.trading.auto.execution_quality import AutoExecutionQualityMixin


class Harness(AutoExecutionQualityMixin):
    _spread_thresholds_by_asset = {}
    _default_spread_thresholds = {
        "warning_enter": 1.0,
        "warning_exit": 0.8,
        "block_enter": 2.0,
        "block_exit": 1.5,
    }
    _max_snapshot_age_seconds = 5.0
    _warning_snapshot_age_seconds = 2.0
    _last_logged_execution_quality_key = None

    def _log_execution_quality_if_changed(self, **_: object) -> None:
        return None

    def _apply_exchange_block_state(self, **_: object) -> None:
        raise AssertionError("exchange block must not be applied")


def _state() -> SimpleNamespace:
    return SimpleNamespace(
        market_is_open=True,
        symbol="BTC/USD_LEVERAGE",
        strategy="trend",
        status="RUNNING",

        execution_quality=None,
        execution_quality_reason=None,
        execution_quality_message=None,
        execution_block_reason=None,

        market_runtime_degraded=False,
        snapshot_age_seconds=None,
        spread_percent=None,

        execution_price_age_seconds=None,
        execution_bid_price=None,
        execution_ask_price=None,
        execution_last_price=None,
        execution_price_freshness=None,
    )

def test_execution_quality_uses_typed_execution_snapshot(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    snapshot = ExecutionPriceSnapshot(
        symbol="BTC/USD_LEVERAGE",
        last_price=100.5,
        bid_price=100.0,
        ask_price=101.0,
        updated_at="13.07.2026 15:00:00",
        source="dzengi:fresh_cache",
        is_fresh=True,
        age_seconds=0.5,
    )

    class Service:
        def get_execution_snapshot(self, *_: object, **__: object) -> ExecutionPriceSnapshot:
            return snapshot

    monkeypatch.setattr(module, "ExchangeService", Service)

    state = _state()
    Harness()._sync_execution_quality_state(state)  # type: ignore[arg-type]

    assert state.execution_bid_price == 100.0
    assert state.execution_ask_price == 101.0
    assert state.execution_last_price == 100.5
    assert state.execution_price_source == "dzengi:fresh_cache"
    assert state.snapshot_age_seconds == 0.5