// 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/sealed_areas.dart';
import 'package:chain_studio/data/workspace.dart';
import 'package:chain_studio/data/workspace_prefs.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: '');
  });

  tearDown(() {
    WorkspacePrefs.sealedNamesVisible.value = false;
  });

  testWidgets('sealed areas stay aggregated until deliberately revealed', (
    tester,
  ) async {
    Workspace.instance.debugSeed(
      projects: [_general],
      active: '',
      sealed: [_sealedGrid, _sealedLab],
    );
    await tester.pumpWidget(_host());
    await tester.tap(find.byType(ChainWorkspaceSwitcher));
    await tester.pumpAndSettle();
    // No names on a casual glance — only the aggregate row.
    expect(find.text('grid'), findsNothing);
    expect(find.text('lab'), findsNothing);
    expect(find.text('2 sealed areas'), findsOneWidget);
    await tester.tap(find.text('Show names'));
    await tester.pumpAndSettle();
    expect(find.text('grid'), findsOneWidget);
    expect(find.text('lab'), findsOneWidget);
  });

  testWidgets('the Settings toggle restores the direct listing', (
    tester,
  ) async {
    WorkspacePrefs.sealedNamesVisible.value = true;
    Workspace.instance.debugSeed(
      projects: [_general],
      active: '',
      sealed: [_sealedGrid, _sealedLab],
    );
    await tester.pumpWidget(_host());
    await tester.tap(find.byType(ChainWorkspaceSwitcher));
    await tester.pumpAndSettle();
    expect(find.text('grid'), findsOneWidget);
    expect(find.text('lab'), findsOneWidget);
    expect(find.text('2 sealed areas'), findsNothing);
  });

  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);
  });

  testWidgets('lists sealed areas with lock + running/stopped status', (
    tester,
  ) async {
    Workspace.instance.debugSeed(
      projects: [_general],
      active: '',
      sealed: const [
        SealedArea(
          slug: 'grid',
          name: 'Grid',
          color: '#e0a458',
          port: 51100,
          running: true,
        ),
        SealedArea(
          slug: 'bank',
          name: 'Bank',
          color: '#c25e5e',
          port: 51101,
          running: false,
        ),
      ],
    );
    await tester.pumpWidget(_host());
    await tester.tap(find.byType(ChainWorkspaceSwitcher));
    await tester.pumpAndSettle();

    // Sealed areas appear under the sealed header, aggregated by
    // default (confidentiality); after the reveal every area shows
    // its lock icon and running/stopped status word.
    expect(find.text('SEALED AREAS'), findsOneWidget);
    expect(find.byIcon(Icons.lock_outline), findsWidgets);
    await tester.tap(find.text('Show names'));
    await tester.pumpAndSettle();
    expect(find.text('Grid'), findsOneWidget);
    expect(find.text('Bank'), findsOneWidget);
    expect(find.text('running'), findsOneWidget);
    expect(find.text('stopped'), findsOneWidget);
  });

  testWidgets('the pill shows the active sealed area with a lock', (
    tester,
  ) async {
    Workspace.instance.debugSeed(
      projects: [_general],
      active: '',
      sealed: const [],
      activeSealed: const SealedArea(
        slug: 'grid',
        name: 'Grid',
        color: '#e0a458',
        port: 51100,
        running: true,
      ),
    );
    await tester.pumpWidget(_host());
    expect(Workspace.instance.inSealedArea, isTrue);
    // The closed pill names the sealed area and carries a lock.
    expect(find.text('Grid'), findsOneWidget);
    expect(find.byIcon(Icons.lock_outline), findsWidgets);
  });
}

// Sealed-area confidentiality (usertest security finding): the
// switcher must not disclose sealed-area names — often client
// identity — on a casual glance. Aggregated row by default,
// deliberate reveal, Settings toggle for the direct listing.
const _sealedGrid = SealedArea(
  slug: 'grid',
  name: 'grid',
  color: '#e0a458',
  port: 51100,
  running: false,
);
const _sealedLab = SealedArea(
  slug: 'lab',
  name: 'lab',
  color: '#c25e5e',
  port: 51101,
  running: true,
);