import pytest

from app.core.order_lifecycle import (
    evaluate_limit_order,
    order_distance_pct,
    order_expires_at,
    order_rr,
    order_touched,
    order_too_far,
)


def test_limit_order_touched_for_long_and_short():
    assert order_touched({"side": "long", "target_price": 95}, 94.9) is True
    assert order_touched({"side": "long", "target_price": 95}, 96) is False
    assert order_touched({"side": "short", "target_price": 105}, 105.1) is True
    assert order_touched({"side": "short", "target_price": 105}, 104.9) is False
    assert order_touched({"side": "空", "target_price": 105}, 105.1) is True
    assert order_touched({"side": "做空", "target_price": 105}, 105.1) is True
    assert order_touched({"side": "sell", "target_price": 105}, 105.1) is True


def test_limit_order_cancel_when_expired():
    decision = evaluate_limit_order(
        order={"id": 1, "side": "long", "target_price": 95, "expires_at": "2026-05-16T10:00:00"},
        current_price=100,
        event_time="2026-05-16T10:01:00",
        config={"order_cancel_far_from_entry_pct": 12},
    ).as_dict()

    assert decision["action"] == "cancel"
    assert decision["reason"] == "expired"


def test_limit_order_cancel_when_price_moves_too_far():
    order = {"id": 1, "side": "long", "target_price": 95, "expires_at": "2026-05-17T10:00:00"}

    assert order_too_far(order, 107, threshold_pct=12) is True
    decision = evaluate_limit_order(
        order=order,
        current_price=107,
        event_time="2026-05-16T10:01:00",
        config={"order_cancel_far_from_entry_pct": 12},
    ).as_dict()

    assert decision["action"] == "cancel"
    assert decision["reason"] == "too_far_from_entry"


def test_order_rr_and_distance_are_side_aware():
    assert order_rr("long", 95, 90, 105) == pytest.approx(2.0)
    assert order_rr("short", 105, 110, 95) == pytest.approx(2.0)
    assert order_distance_pct("long", 100, 95) == pytest.approx(5.2631578947)
    assert order_distance_pct("short", 100, 105) == pytest.approx(5.0)
    assert order_distance_pct("空", 100, 105) == pytest.approx(5.0)


def test_order_expires_at_uses_minimum_quarter_hour():
    assert order_expires_at("2026-05-16T10:00:00", expire_hours=0.1) == "2026-05-16T10:15:00"