"""Coordinate validation at the HTTP boundary."""

from unittest.mock import Mock

import pytest

import lookup


@pytest.mark.parametrize("parameter", ["lat", "lon"])
@pytest.mark.parametrize(
    "value",
    [
        "",
        "-4.177.'),(\"abcd",
        "55.7644)\"'.,(abcd",
        "55.7644 AND EXTRACTVALUE(1,CONCAT(0x7e,1))",
        "55.7644 AND 1=CAST('abc' AS NUMERIC)",
        "56°5'58.56\"N trailing text",
        "nan",
        "inf",
        "-inf",
        "1e999",
        "181",
    ],
)
def test_invalid_coordinates_return_400(monkeypatch, parameter, value):
    """Malformed coordinates never reach the geocoding lookup."""
    monkeypatch.setattr(lookup.database.session, "execute", Mock())
    geocode_lookup = Mock()
    monkeypatch.setattr(lookup, "lat_lon_to_wikidata", geocode_lookup)
    args = {"lat": "55.7644", "lon": "-4.177", parameter: value}

    response = lookup.app.test_client().get("/", query_string=args)

    assert response.status_code == 400
    assert response.get_json()["error"]
    geocode_lookup.assert_not_called()


@pytest.mark.parametrize(
    "lat, lon, expected",
    [
        ("55.7644", "-4.177", (55.7644, -4.177)),
        ("56°6'0\"N", "3°30'0\"W", (56.1, -3.5)),
        ("-90", "180", (-90.0, 180.0)),
    ],
)
def test_valid_coordinates_reach_lookup(monkeypatch, lat, lon, expected):
    """Decimal, DMS, and boundary coordinates retain their behavior."""
    monkeypatch.setattr(lookup.database.session, "execute", Mock())
    monkeypatch.setattr(lookup, "logging_enabled", False)
    geocode_lookup = Mock(return_value={"result": {"ok": True}})
    monkeypatch.setattr(lookup, "lat_lon_to_wikidata", geocode_lookup)

    response = lookup.app.test_client().get(
        "/", query_string={"lat": lat, "lon": lon, "needs_commons": "false"}
    )

    assert response.status_code == 200
    assert response.get_json() == {"ok": True}
    geocode_lookup.assert_called_once_with(*expected, needs_commons=False)