spotube/lib/pages/getting_started/getting_started.dart

import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:spotube/collections/assets.gen.dart';
import 'package:spotube/components/shared/page_window_title_bar.dart';
import 'package:spotube/extensions/context.dart';
import 'package:spotube/pages/getting_started/sections/greeting.dart';
import 'package:spotube/pages/getting_started/sections/playback.dart';
import 'package:spotube/pages/getting_started/sections/region.dart';
import 'package:spotube/pages/getting_started/sections/support.dart';
import 'package:spotube/provider/user_preferences/user_preferences_provider.dart';
import 'package:spotube/themes/theme.dart';

class GettingStarting extends HookConsumerWidget {
  const GettingStarting({super.key});

  @override
  Widget build(BuildContext context, ref) {
    final preferences = ref.watch(userPreferencesProvider);
    final themeData = theme(
      preferences.accentColorScheme,
      Brightness.dark,
      preferences.amoledDarkTheme,
    );
    final pageController = usePageController();

    final onNext = useCallback(() {
      pageController.nextPage(
        duration: const Duration(milliseconds: 300),
        curve: Curves.easeInOut,
      );
    }, [pageController]);

    final onPrevious = useCallback(() {
      pageController.previousPage(
        duration: const Duration(milliseconds: 300),
        curve: Curves.easeInOut,
      );
    }, [pageController]);

    return Theme(
      data: themeData,
      child: Scaffold(
        appBar: PageWindowTitleBar(
          backgroundColor: Colors.transparent,
          actions: [
            ListenableBuilder(
              listenable: pageController,
              builder: (context, _) {
                return AnimatedSwitcher(
                  duration: const Duration(milliseconds: 300),
                  child: pageController.hasClients &&
                          (pageController.page == 0 || pageController.page == 3)
                      ? const SizedBox()
                      : TextButton(
                          onPressed: () {
                            pageController.animateToPage(
                              3,
                              duration: const Duration(milliseconds: 300),
                              curve: Curves.easeInOut,
                            );
                          },
                          child: Text(
                            context.l10n.skip_this_nonsense,
                            style: TextStyle(
                              decoration: TextDecoration.underline,
                              decorationColor: themeData.colorScheme.primary,
                            ),
                          ),
                        ),
                );
              },
            ),
          ],
        ),
        extendBodyBehindAppBar: true,
        body: DecoratedBox(
          decoration: BoxDecoration(
            image: DecorationImage(
              image: Assets.bengaliPatternsBg.provider(),
              fit: BoxFit.cover,
              colorFilter: const ColorFilter.mode(
                Colors.black38,
                BlendMode.srcOver,
              ),
            ),
          ),
          child: PageView(
            controller: pageController,
            children: [
              GettingStartedPageGreetingSection(onNext: onNext),
              GettingStartedPageLanguageRegionSection(onNext: onNext),
              GettingStartedPagePlaybackSection(
                onNext: onNext,
                onPrevious: onPrevious,
              ),
              const GettingStartedScreenSupportSection(),
            ],
          ),
        ),
      ),
    );
  }
}