import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

import 'package:chain_studio_flow_editor/src/l10n.dart';
import 'package:chain_studio_flow_editor/src/widgets/missing_modules_badge.dart';

void main() {
  group('splitMissingCaps', () {
    test('separates store-resolvable from not-in-store capabilities', () {
      final split = splitMissingCaps(
        ['text.extract', 'example-provider/tool.summarize'],
        {'text.extract', 'debug.echo'},
      );
      expect(split.installable, ['text.extract']);
      expect(split.notInStore, ['example-provider/tool.summarize']);
    });

    test('matches on the bare name when the flow pins a version', () {
      final split = splitMissingCaps(['text.extract@^0'], {'text.extract'});
      expect(split.installable, ['text.extract@^0']);
      expect(split.notInStore, isEmpty);
    });

    test('empty store set classifies everything as not-in-store', () {
      final split = splitMissingCaps(['text.extract'], {});
      expect(split.installable, isEmpty);
      expect(split.notInStore, ['text.extract']);
    });
  });

  Future<void> pumpBadge(
    WidgetTester tester, {
    required List<String> installable,
    required List<String> notInStore,
    VoidCallback? onInstall,
  }) {
    return tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: MissingModulesBadge(
            installable: installable,
            notInStore: notInStore,
            strings: const FlowEditorStrings(FlowEditorLocale.en),
            onInstall: onInstall,
          ),
        ),
      ),
    );
  }

  group('MissingModulesBadge', () {
    testWidgets('store-resolvable capability offers the install action', (
      tester,
    ) async {
      var installed = false;
      await pumpBadge(
        tester,
        installable: ['text.extract'],
        notInStore: [],
        onInstall: () => installed = true,
      );
      expect(find.text('1 module missing'), findsOneWidget);
      expect(find.text('Install'), findsOneWidget);
      expect(find.textContaining('not in store'), findsNothing);
      await tester.tap(find.text('Install'));
      expect(installed, isTrue);
    });

    testWidgets(
      'not-in-store capability shows the classified state, no install',
      (tester) async {
        await pumpBadge(
          tester,
          installable: [],
          notInStore: ['example-provider/tool.summarize'],
          onInstall: () => fail('no install action for not-in-store caps'),
        );
        expect(find.text('not in store'), findsOneWidget);
        expect(find.text('Install'), findsNothing);
        // The recovery paths are explained in place, before any click.
        final tooltip = tester.widget<Tooltip>(find.byType(Tooltip));
        expect(tooltip.message, contains('example-provider/tool.summarize'));
        expect(tooltip.message, contains('chain install --link'));
        expect(tooltip.message, contains('Settings → Stores'));
        expect(tooltip.message, contains('integration'));
      },
    );

    testWidgets('mixed state renders both chips, install covers store caps', (
      tester,
    ) async {
      await pumpBadge(
        tester,
        installable: ['text.extract'],
        notInStore: ['example-provider/tool.summarize'],
        onInstall: () {},
      );
      expect(find.text('1 module missing'), findsOneWidget);
      expect(find.text('Install'), findsOneWidget);
      expect(find.text('not in store'), findsOneWidget);
    });
  });
}