import 'dart:ui';

import 'package:clide/kernel/kernel.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter_test/flutter_test.dart';

/// Asserts every bundled i18n catalog is well-formed and every key the
/// Tier-0 built-ins ask for actually resolves.
///
/// The second check is important: in a text-driven i18n system missing
/// keys show the placeholder, so a runtime lookup test wouldn't "fail"
/// on a typo — we have to assert the keys exist up front.
void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  /// (namespace, key) pairs referenced by Tier-0 built-ins. Extend when
  /// new keys land.
  const referenced = <String, List<String>>{
    'builtin.welcome': ['title', 'subtitle', 'open-project', 'open-project.hint', 'tab.title'],
    'builtin.ipc-status': ['connected', 'connected.hint', 'disconnected', 'disconnected.hint'],
    'builtin.theme-picker': ['modal.title', 'modal.cancel', 'modal.cancel.hint', 'row.select.hint'],
    'builtin.default-layout': ['command.reset', 'preset.classic'],
  };

  group('i18n coverage (Tier 0)', () {
    for (final entry in referenced.entries) {
      final ns = entry.key;
      test('$ns catalog contains every referenced key', () async {
        final loader = AssetCatalogLoader(bundle: rootBundle);
        final catalog = await loader.load(ns, const Locale('en', 'US'));
        expect(catalog, isNotEmpty, reason: 'catalog for "$ns" failed to load (asset path wrong?)');
        for (final key in entry.value) {
          expect(catalog.containsKey(key), isTrue, reason: 'namespace "$ns" catalog is missing key "$key"');
        }
      });
    }
  });
}