from pathlib import Path

import pytest
from pydantic import ValidationError

from app.schemas.operations import VectorSelectionBBox, VectorSelectionRequest


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


def test_vector_selection_contract_keeps_an_explicit_bounded_limit() -> None:
    bbox = VectorSelectionBBox(min_x=5.03, min_y=51.15, max_x=5.25, max_y=51.33)

    request = VectorSelectionRequest(bbox=bbox, limit=1000)

    assert request.limit == 1000
    with pytest.raises(ValidationError):
        VectorSelectionRequest(bbox=bbox, limit=1001)


def test_large_vector_delivery_uses_existing_postgis_bbox_contract() -> None:
    config = (ROOT / "frontend" / "src" / "config" / "vectorDelivery.ts").read_text(encoding="utf-8")
    viewport_hook = (ROOT / "frontend" / "src" / "hooks" / "useViewportVectorLayer.ts").read_text(encoding="utf-8")
    dataset_hook = (ROOT / "frontend" / "src" / "hooks" / "useDatasetWorkflow.ts").read_text(encoding="utf-8")

    assert "VECTOR_VIEWPORT_FEATURE_THRESHOLD = 5_000" in config
    assert "VECTOR_VIEWPORT_MIN_ZOOM = 14" in config
    assert "VECTOR_VIEWPORT_FEATURE_LIMIT = 1_000" in config
    assert "datasetsApi.selectVectorFeatures" in viewport_hook
    assert "response.truncated" in viewport_hook
    assert "requestSequence" in viewport_hook
    assert "summary.feature_count ?? dataset.feature_count" in dataset_hook
    assert "datasetsApi.getContent" in dataset_hook


def test_map_reports_viewport_and_does_not_refit_each_slice() -> None:
    app = (ROOT / "frontend" / "src" / "App.tsx").read_text(encoding="utf-8")
    geo_map = (ROOT / "frontend" / "src" / "components" / "GeoMap.tsx").read_text(encoding="utf-8")
    workspace = (ROOT / "frontend" / "src" / "components" / "map" / "MapWorkspace.tsx").read_text(encoding="utf-8")

    assert "useViewportVectorLayer" in app
    assert "fitMapDataOnChange={!viewportVectorLayerActive}" in app
    assert "map.on('moveend', emitViewport)" in geo_map
    assert "fitDataOnChange" in geo_map
    assert "onViewportChange" in geo_map
    assert "Zoom verder in" in (ROOT / "frontend" / "src" / "hooks" / "useViewportVectorLayer.ts").read_text(encoding="utf-8")
    assert "viewport-vector-status" in workspace