import os
import sys

PROJECT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
if PROJECT_DIR not in sys.path:
    sys.path.insert(0, PROJECT_DIR)

from app.analysis import reverse_analysis


def test_pattern_summary_includes_control_lift():
    gainers = [
        {"has_static_accumulation": True, "has_ignition_point": True},
        {"has_static_accumulation": True, "has_ignition_point": False},
        {"has_static_accumulation": False, "has_ignition_point": True},
    ]
    controls = [
        {"has_static_accumulation": True, "has_ignition_point": False},
        {"has_static_accumulation": False, "has_ignition_point": False},
        {"has_static_accumulation": False, "has_ignition_point": False},
    ]

    summary = reverse_analysis.compute_pattern_summary(gainers, len(gainers), control_features=controls)
    by_feature = {item["feature"]: item for item in summary}

    assert by_feature["has_ignition_point"]["percentage"] == 66.7
    assert by_feature["has_ignition_point"]["control_percentage"] == 0.0
    assert by_feature["has_ignition_point"]["lift"] > 1
    assert by_feature["has_static_accumulation"]["control_count"] == 1


def test_discover_new_rules_requires_lift_when_control_exists(monkeypatch):
    created = []
    monkeypatch.setattr(
        reverse_analysis,
        "upsert_strategy_rule_candidate",
        lambda **kwargs: created.append(kwargs) or 101,
    )
    pattern_summary = [
        {
            "feature": "has_static_accumulation",
            "percentage": 80.0,
            "count": 8,
            "total": 10,
            "control_percentage": 75.0,
            "control_count": 15,
            "control_total": 20,
            "lift": 1.06,
        },
        {
            "feature": "has_ignition_point",
            "percentage": 70.0,
            "count": 7,
            "total": 10,
            "control_percentage": 20.0,
            "control_count": 4,
            "control_total": 20,
            "lift": 3.38,
        },
    ]

    rules = reverse_analysis.discover_new_rules(
        pattern_summary,
        all_features=[{}] * 10,
        sector_alignments=[],
        significance_pct=60,
        min_lift=1.5,
    )

    assert len(rules) == 1
    assert rules[0]["conditions"] == {"has_ignition_point": True}
    assert created[0]["signal_name"] == "has_ignition_point"
    assert created[0]["fail_count"] == 4