from __future__ import annotations

from pathlib import Path
import unittest

from govoplan_dashboard.backend.manifest import get_manifest


REPO_ROOT = Path(__file__).resolve().parents[1]


class DashboardInterfaceDocumentationContractTests(unittest.TestCase):
    def test_surface_hierarchy_remains_declared(self) -> None:
        frontend = get_manifest().frontend
        self.assertIsNotNone(frontend)
        surfaces = {item.id: item for item in frontend.view_surfaces}  # type: ignore[union-attr]
        self.assertEqual(
            {
                "dashboard.page",
                "dashboard.summary",
                "dashboard.library",
                "dashboard.grid",
                "dashboard.widget-settings",
                "dashboard.widget.installed-modules",
            },
            set(surfaces),
        )
        self.assertEqual("dashboard.page", surfaces["dashboard.library"].parent_id)
        self.assertEqual("dashboard.page", surfaces["dashboard.grid"].parent_id)
        self.assertEqual("dashboard.grid", surfaces["dashboard.widget-settings"].parent_id)

    def test_help_and_consequence_metadata_remain_published(self) -> None:
        topics = {topic.id: topic for topic in get_manifest().documentation}
        home = topics["dashboard.configurable-home"]
        reference = topics["dashboard.reference.layout-and-widgets"]

        self.assertIn("dashboard.state.browser-fallback", home.metadata["help_contexts"])
        self.assertIn("dashboard.field.widget-size", reference.metadata["help_contexts"])
        self.assertIn("save_layout", reference.metadata["consequence_classes"])
        self.assertIn("remove_widget", reference.metadata["consequence_classes"])

    def test_webui_guards_layout_and_nested_widget_drafts(self) -> None:
        page = (REPO_ROOT / "webui/src/features/dashboard/DashboardPage.tsx").read_text(
            encoding="utf-8"
        )
        dialog = (
            REPO_ROOT
            / "webui/src/features/dashboard/WidgetConfigurationDialog.tsx"
        ).read_text(encoding="utf-8")
        library = (
            REPO_ROOT / "webui/src/features/dashboard/WidgetLibrary.tsx"
        ).read_text(encoding="utf-8")

        self.assertIn("DocumentationHelpLink", page)
        self.assertIn("useUnsavedDraftGuard", page)
        self.assertIn("useUnsavedDraftGuard", dialog)
        self.assertIn("DASHBOARD_LAYOUT_DOCUMENTATION", dialog)
        self.assertIn("disabled={atCapacity}", library)


if __name__ == "__main__":
    unittest.main()