from pathlib import Path
from tests.frontend_contract import assert_calls, assert_mentions, assert_wired, read_map_workspace, read_feature


ROOT = Path(__file__).resolve().parents[2]


def test_partitioned_raster_routes_are_canonical_and_documented() -> None:
    routes = (ROOT / "backend/app/api/routes/datasets.py").read_text(encoding="utf-8")
    contracts = (ROOT / "docs/API_CONTRACTS.md").read_text(encoding="utf-8")

    assert '"/datasets/raster/terrain/select",' in routes
    assert "response_model=Envelope[TerrainSelectionResponse]" in routes
    assert '"/datasets/raster/flood-hazard/select",' in routes
    assert "response_model=Envelope[FloodHazardSelectionResponse]" in routes
    assert "/datasets/raster/terrain/select" in contracts
    assert "/datasets/raster/flood-hazard/select" in contracts
    assert "envelope(TerrainAnalysisService.analyze_partitions" in routes
    assert "envelope(FloodHazardAnalysisService.analyze_partitions" in routes


def test_regional_map_uses_logical_partition_groups_and_exact_analysis() -> None:
    app = read_feature("shell")
    workspace = read_map_workspace()
    hook = read_feature("map_workspace")
    api = read_feature("datasets")

    assert "regionalScopeSelected" in workspace
    assert "rasterPartitionsForDataset" in workspace
    assert "imageOverlays={activeImageOverlays}" in workspace
    assert_mentions(workspace, "automatisch", "raster")
    assert "selectTerrainPartitions" in hook
    assert "selectFloodHazardPartitions" in hook
    assert "/datasets/raster/terrain/select" in api
    assert "/datasets/raster/flood-hazard/select" in api
    assert "Rasterlaag actief" in app
    assert "void analyzeSelection(bbox, areaIdForSelection(bbox))" in workspace
    assert "areaIdForSelection(bbox)" in workspace
    assert_wired(workspace, "selectedAreaBbox")
    assert_calls(workspace, "analyzeSelection", first_argument="bbox")
    assert "onDeriveMapSelectionDataset(bbox, areaIdForSelection(bbox))" in workspace


def test_maplibre_supports_multiple_persisted_raster_overlays() -> None:
    map_source = (ROOT / "frontend/src/components/GeoMap.tsx").read_text(encoding="utf-8")

    assert "imageOverlays?: MapImageOverlay[]" in map_source
    assert "imageOverlayIdsRef" in map_source
    assert "imageOverlays.forEach" in map_source
    assert "bounded-raster-" in map_source


def test_regional_analysis_does_not_create_an_authoritative_mosaic() -> None:
    service = (ROOT / "backend/app/services/raster_partition_analysis_service.py").read_text(encoding="utf-8")
    storage = (ROOT / "docs/STORAGE_ARCHITECTURE.md").read_text(encoding="utf-8")

    assert "from rasterio.merge import merge" in service
    assert "DatasetService" not in service
    assert "12-million-cell limit" in storage
    assert "does not create another authoritative raster" in storage