from __future__ import annotations

from uuid import uuid4

from geoalchemy2.shape import from_shape
from shapely.geometry import MultiPolygon, Polygon

from app.models import Area
from app.services.area_service import AreaService
from tests.frontend_contract import read_feature


def test_area_serializer_exposes_geojson_geometry_for_map_overlay() -> None:
    project_id = uuid4()
    area = Area(
        id=uuid4(),
        project_id=project_id,
        name="Map AOI",
        original_crs="EPSG:4326",
        area_m2=100.0,
        geometry=from_shape(
            MultiPolygon(
                [
                    Polygon(
                        [
                            (4.35, 51.28),
                            (4.36, 51.28),
                            (4.36, 51.29),
                            (4.35, 51.29),
                            (4.35, 51.28),
                        ],
                    ),
                ],
            ),
            srid=4326,
        ),
    )

    payload = AreaService.serialize_area(area)

    assert payload["id"] == area.id
    assert payload["project_id"] == project_id
    assert payload["geometry"]["type"] == "MultiPolygon"
    assert payload["geometry"]["coordinates"][0][0][0] == (4.35, 51.28)


def test_frontend_wires_selected_area_map_overlay_contract() -> None:
    root = __import__("pathlib").Path(__file__).resolve().parents[2]
    app = read_feature("shell")
    geomap = (root / "frontend" / "src" / "components" / "GeoMap.tsx").read_text(encoding="utf-8")
    map_workspace = read_feature("map_workspace")
    area_panel = (root / "frontend" / "src" / "components" / "project" / "AreaPanel.tsx").read_text(encoding="utf-8")

    assert "selectedMapAreaId" in app
    assert "areaFeatureCollection" in app
    assert "areaFeatureCollection={areaFeatureCollection}" in app
    assert "areaData={areaFeatureCollection}" in map_workspace
    assert "Werkgebied" in map_workspace
    assert "area-fill" in geomap
    assert "area-line" in geomap
    assert "onSelectMapArea" in area_panel
    assert "Toon op kaart" in area_panel