// Workspace switcher — stage-1 contract: the control renders the
// active selection, lists "All projects" plus every registry
// project (colour dot, shield for protected), and switching
// updates the shared Workspace notifier.

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

import 'package:chain_studio/data/hub.dart';
import 'package:chain_studio/data/workspace.dart';
import 'package:chain_studio/l10n/app_localizations.dart';
import 'package:chain_studio/widgets/chain_workspace_switcher.dart';

Widget _host() {
  return const MaterialApp(
    localizationsDelegates: AppLocalizations.localizationsDelegates,
    supportedLocales: AppLocalizations.supportedLocales,
    home: Scaffold(
      appBar: PreferredSize(
        preferredSize: Size.fromHeight(kToolbarHeight),
        child: Material(child: ChainWorkspaceSwitcher()),
      ),
      body: SizedBox(),
    ),
  );
}

const _general = ProjectRef(slug: 'general', name: 'General');
const _clientA = ProjectRef(
  slug: 'client-a',
  name: 'Client A',
  color: '#8b7cf6',
  isolation: 'protected',
);

void main() {
  setUp(() {
    // Seed the singleton without a hub: tests drive the notifier
    // directly through its test hook.
    Workspace.instance.debugSeed(projects: [_general, _clientA], active: '');
  });

  testWidgets('shows "All projects" when no project is active', (
    tester,
  ) async {
    await tester.pumpWidget(_host());
    expect(find.text('All projects'), findsOneWidget);
  });

  testWidgets('menu lists all-projects entry plus every registry project', (
    tester,
  ) async {
    await tester.pumpWidget(_host());
    await tester.tap(find.byType(ChainWorkspaceSwitcher));
    await tester.pumpAndSettle();

    expect(find.text('All projects'), findsWidgets);
    expect(find.text('General'), findsOneWidget);
    expect(find.text('Client A'), findsOneWidget);
    // Protected projects carry the shield marker.
    expect(find.byIcon(Icons.shield_outlined), findsOneWidget);
  });

  testWidgets('selecting a project updates the workspace and the label', (
    tester,
  ) async {
    await tester.pumpWidget(_host());
    await tester.tap(find.byType(ChainWorkspaceSwitcher));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Client A').last);
    await tester.pumpAndSettle();

    expect(Workspace.instance.activeSlug, 'client-a');
    expect(Workspace.instance.active?.isProtected, isTrue);
    // The closed control now shows the active project (label +
    // shield marker for protected).
    expect(find.text('Client A'), findsOneWidget);
    expect(find.byIcon(Icons.shield_outlined), findsOneWidget);
  });

  test('active falls back to null when the slug left the registry', () {
    Workspace.instance.debugSeed(projects: [_general], active: 'gone');
    expect(Workspace.instance.activeSlug, 'gone');
    expect(Workspace.instance.active, isNull);
    expect(Workspace.instance.isAll, isFalse);
  });
}