import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:integration_test/integration_test.dart';
import 'package:timecop/blocs/locale/locale_bloc.dart';
import 'package:timecop/blocs/notifications/notifications_bloc.dart';
import 'package:timecop/blocs/projects/projects_bloc.dart';
import 'package:timecop/blocs/settings/bloc.dart';
import 'package:timecop/blocs/theme/theme_bloc.dart';
import 'package:timecop/blocs/timers/timers_bloc.dart';
import 'package:timecop/data_providers/data/data_provider.dart';
import 'package:timecop/data_providers/data/mock_data_provider.dart';
import 'package:timecop/data_providers/notifications/notifications_provider.dart';
import 'package:timecop/data_providers/settings/mock_settings_provider.dart';
import 'package:timecop/data_providers/settings/settings_provider.dart';
import 'package:timecop/main.dart' as app;
import 'package:timecop/screens/dashboard/components/RunningTimerRow.dart';
import 'package:timecop/screens/dashboard/components/StoppedTimerRow.dart';

bool convertedFlutterToSurfaceImage = false;

Future<void> takeScreenshot(WidgetTester tester,
    IntegrationTestWidgetsFlutterBinding binding, String name) async {
  if (Platform.isAndroid) {
    if (!convertedFlutterToSurfaceImage) {
      await binding.convertFlutterSurfaceToImage();
      convertedFlutterToSurfaceImage = true;
    }
    await tester.pumpAndSettle();
  }
  await binding.takeScreenshot(name);
}

void main() {
  final binding = IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.fullyLive;

  group('end-to-end test', () {
    testWidgets('tap on the floating action button, verify counter',
        (tester) async {
      WidgetsFlutterBinding.ensureInitialized();
      final SettingsProvider settings = MockSettingsProvider();
      final DataProvider data =
          MockDataProvider(const Locale.fromSubtags(languageCode: "en"));
      NotificationsProvider notificationsProvider =
          await NotificationsProvider.load();

      await tester.pumpWidget(MultiBlocProvider(providers: [
        BlocProvider<ThemeBloc>(
          create: (_) => ThemeBloc(settings),
        ),
        BlocProvider<LocaleBloc>(
          create: (_) => LocaleBloc(settings),
        ),
        BlocProvider<SettingsBloc>(
          create: (_) => SettingsBloc(settings, data),
        ),
        BlocProvider<TimersBloc>(
          create: (_) => TimersBloc(data, settings),
        ),
        BlocProvider<ProjectsBloc>(
          create: (_) => ProjectsBloc(data),
        ),
        BlocProvider<NotificationsBloc>(
          create: (_) => NotificationsBloc(notificationsProvider),
        ),
      ], child: app.TimeCopApp(settings: settings)));

      await tester.pumpAndSettle();

      // start by switching to the dark theme
      Finder menuButton = find.byKey(const ValueKey("menuButton"));
      await tester.tap(menuButton);

      await tester.pumpAndSettle();

      Finder menuSettings = find.byKey(const ValueKey("menuSettings"));
      await tester.tap(menuSettings);

      await tester.pumpAndSettle();

      Finder themeOption = find.byKey(const ValueKey("themeOption"));
      await tester.tap(themeOption);

      await tester.pumpAndSettle();

      Finder themeDark = find.byKey(const ValueKey("themeDark"));
      await tester.tap(themeDark);

      await tester.pumpAndSettle();

      await takeScreenshot(tester, binding, "06 settings");

      await tester.pumpAndSettle();

      Finder backButton = find.byType(BackButton);
      await tester.tap(backButton);

      await tester.pumpAndSettle();

      await takeScreenshot(tester, binding, "01 dashboard");

      await tester.pumpAndSettle();

      //Finding the first running timer (UI Layout)
      Widget runningTimer = tester.firstWidget(find.byType(RunningTimerRow));
      Finder uiLayoutTimer = find.byWidget(runningTimer);

      //Stopping the timer
      Finder stopIcon = find.descendant(
          of: uiLayoutTimer,
          matching: find.byIcon(FontAwesomeIcons.solidCircleStop));
      await tester.tap(stopIcon);
      await tester.pumpAndSettle();

      Widget stoppedTimer = tester.firstWidget(find.byType(StoppedTimerRow));
      Finder stoppedUiLayoutTimer = find.byWidget(stoppedTimer);
      await tester.tap(stoppedUiLayoutTimer);
      await tester.pumpAndSettle();

      Finder saveDetails = find.byKey(const ValueKey("saveDetails"));
      await tester.tap(saveDetails);

      await takeScreenshot(tester, binding, "02 editor");

      await tester.pumpAndSettle();

      await tester.tap(menuButton);

      await tester.pumpAndSettle();

      Finder menuProjects = find.byKey(const ValueKey("menuProjects"));
      await tester.tap(menuProjects);

      await tester.pumpAndSettle();

      Finder addProject = find.byKey(const ValueKey("addProject"));
      await tester.tap(addProject);

      await tester.pumpAndSettle();

      await tester.enterText(find.byType(TextFormField), "Test Project");
      await tester.pumpAndSettle();

      Finder createButton = find.text("Create");
      await tester.tap(createButton);

      await tester.pumpAndSettle();

      await takeScreenshot(tester, binding, "03 projects");

      await tester.pumpAndSettle();

      // then reports pages
      await tester.tap(backButton);

      await tester.pumpAndSettle();

      menuButton = find.byKey(const ValueKey("menuButton"));

      await tester.tap(menuButton);

      await tester.pumpAndSettle();

      Finder menuReports = find.byKey(const ValueKey("menuReports"));
      await tester.tap(menuReports);

      await tester.pumpAndSettle();

      await takeScreenshot(tester, binding, "04a projectBreakdown");

      await tester.pumpAndSettle();

      // then the export page
      await tester.tap(backButton);

      await tester.pumpAndSettle();

      await tester.tap(menuButton);

      await tester.pumpAndSettle();

      Finder menuExport = find.byKey(const ValueKey("menuExport"));
      await tester.tap(menuExport);

      await tester.pumpAndSettle();

      Finder optionColumns = find.byKey(const ValueKey("optionColumns"));
      await tester.tap(optionColumns);

      await tester.pumpAndSettle();

      await takeScreenshot(tester, binding, "05 export");

      await tester.pumpAndSettle();
    });
  });
}