"""Tests for the detections routes and helper functions."""
import pytest


def test_detections_list_endpoint(client):
    """GET /api/detections returns a valid status code."""
    c, mock_db = client
    mock_db.query.return_value.result_rows = [(50,)]  # count query
    resp = c.get("/api/detections")
    assert resp.status_code in (200, 404, 422, 500)


def test_detections_list_with_filters(client):
    """GET /api/detections supports filter query params."""
    c, mock_db = client
    mock_db.query.return_value.result_rows = [(0,)]
    resp = c.get("/api/detections?threat_level=CRITICAL&page=1&page_size=10")
    assert resp.status_code in (200, 404, 422, 500)


def test_detections_pagination(client):
    """GET /api/detections supports pagination params."""
    c, mock_db = client
    mock_db.query.return_value.result_rows = [(0,)]
    resp = c.get("/api/detections?page=2&page_size=10")
    assert resp.status_code in (200, 404, 422, 500)


def test_label_to_score_known_labels():
    """_label_to_score returns known float values for recognized labels."""
    from backend.routes.detections import _label_to_score
    assert _label_to_score("human") == pytest.approx(0.9)
    assert _label_to_score("bot") == pytest.approx(0.05)
    assert _label_to_score("tor") == pytest.approx(0.1)
    assert _label_to_score("proxy") == pytest.approx(0.25)


def test_label_to_score_unknown_label():
    """_label_to_score returns 0.5 for unrecognized labels."""
    from backend.routes.detections import _label_to_score
    assert _label_to_score("unknown_label") == pytest.approx(0.5)


def test_label_to_score_empty_string():
    """_label_to_score returns None for empty string."""
    from backend.routes.detections import _label_to_score
    assert _label_to_score("") is None


def test_label_to_score_case_insensitive():
    """_label_to_score is case-insensitive."""
    from backend.routes.detections import _label_to_score
    assert _label_to_score("HUMAN") == _label_to_score("human")
    assert _label_to_score("Bot") == _label_to_score("bot")


def test_detections_search_filter(client):
    """GET /api/detections supports search text filter."""
    c, mock_db = client
    mock_db.query.return_value.result_rows = [(0,)]
    resp = c.get("/api/detections?search=1.2.3")
    assert resp.status_code in (200, 404, 422, 500)


def test_detections_group_by_ip(client):
    """GET /api/detections supports group_by_ip mode."""
    c, mock_db = client
    mock_db.query.return_value.result_rows = [(0,)]
    resp = c.get("/api/detections?group_by_ip=true")
    assert resp.status_code in (200, 404, 422, 500)