buzz/mobile/lib/features/settings/settings_page.dart

import '../home/adaptive_conversation_pane.dart';
import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:duo_kit/duo_kit.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:buzz/shared/theme/buzz_icons.dart';
import 'package:nostr/nostr.dart' as nostr;
import 'package:package_info_plus/package_info_plus.dart';

import '../../shared/auth/auth.dart';
import '../../shared/identity_transfer/nsec_export_sheet.dart';
import '../../shared/clipboard_utils.dart';
import '../../shared/success_haptic.dart';
import '../../shared/push/push_relay_capability_provider.dart';
import '../../shared/relay/relay.dart';
import '../../shared/utils/string_utils.dart';
import '../pairing/pairing_provider.dart';
import '../../shared/theme/theme.dart';
import '../../shared/widgets/app_list.dart';
import '../../shared/widgets/app_list_card.dart';
import '../../shared/widgets/frosted_app_bar.dart';
import '../../shared/widgets/frosted_scaffold.dart';
import '../../shared/widgets/duo_toolbar.dart';
import '../../shared/widgets/bottom_up_page_route.dart';
import '../../shared/widgets/ios_glass_navigation_button.dart';
import '../../shared/widgets/immediate_page_route.dart';

part 'settings_page/profile_section.dart';
part 'settings_page/status_section.dart';
part 'settings_page/connection_section.dart';
part 'settings_page/notifications_section.dart';

Widget _emptyProfileEditPage(BuildContext context) => const SizedBox.shrink();

class SettingsPage extends HookConsumerWidget {
  /// Creates the settings page.
  const SettingsPage({
    super.key,
    required this.profileHeader,
    required this.identityRecoveryPageBuilder,
    this.profileEditPageBuilder = _emptyProfileEditPage,
    this.onSetStatus,
    this.onEditDisplayName,
    this.onEditProfileDescription,
  });

  /// Header widget displayed at the top of settings.
  final Widget profileHeader;

  /// Builds the identity-recovery page pushed from the recovery settings row.
  final WidgetBuilder identityRecoveryPageBuilder;

  /// Builds the current-user profile editor opened from the Photo row.
  final WidgetBuilder profileEditPageBuilder;

  /// Opens the current-user status editor.
  final void Function(BuildContext context)? onSetStatus;

  /// Opens the display-name editor from the settings section.
  final Future<void> Function(BuildContext context)? onEditDisplayName;

  /// Opens the profile-description editor from the settings section.
  final Future<void> Function(BuildContext context)? onEditProfileDescription;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final packageInfoFuture = useMemoized(() => PackageInfo.fromPlatform());
    final packageInfo = useFuture(packageInfoFuture);
    final topSectionHeight = frostedAppBarHeight(
      context,
      bottomHeight: Grid.xxs,
    );

    final strip = FoldGeometry.of(context).strip;
    final wide =
        bookDivisionOf(context) != null ||
        MediaQuery.sizeOf(context).width - (strip?.width ?? 0) >= 640;
    // Keep feedback local even while Home is mounted during the transition.
    return Theme(
      data: utilitySurfaceThemeData(Theme.of(context)),
      child: AdaptiveConversationDestination(
        emptyLabel: 'Select a setting',
        child: Builder(
          builder: (paneContext) => ScaffoldMessenger(
            child: FrostedScaffold(
              useUtilitySurfaceTheme: true,
              appBar: FrostedAppBar(
                nativeTitle: 'Settings',
                nativeLeading: IosNavigationAction(
                  label: 'Close settings',
                  symbol: 'xmark',
                  onPressed: () => Navigator.of(context).pop(),
                ),
                automaticallyImplyLeading: false,
                horizontalInset: Grid.gutter,
                showBottomDivider: false,
                leading: Theme.of(context).platform == TargetPlatform.iOS
                    ? IosGlassNavigationButton(
                        key: const ValueKey('settings-ios-glass-close'),
                        icon: IosGlassNavigationIcon.close,
                        semanticLabel: 'Close settings',
                        onPressed: () {
                          unawaited(HapticFeedback.lightImpact());
                          Navigator.of(context).pop();
                        },
                        foregroundColor: navigationPrimaryForeground(context),
                      )
                    : SizedBox(
                        width: Grid.xl,
                        height: Grid.xl,
                        child: IconButton(
                          tooltip: 'Close settings',
                          onPressed: () {
                            unawaited(HapticFeedback.lightImpact());
                            Navigator.of(context).pop();
                          },
                          color: navigationPrimaryForeground(context),
                          icon: const Icon(BuzzIcons.x),
                        ),
                      ),
                bottomHeight: Grid.xxs,
                bottom: const SizedBox.expand(),
              ),
              body: ListView(
                padding: EdgeInsets.only(
                  top: topSectionHeight,
                  bottom: Grid.xs,
                ),
                children: [
                  profileHeader,
                  if (wide) ...[
                    for (final section in <(String, Widget)>[
                      ('Status', _StatusSection(onSetStatus: onSetStatus)),
                      (
                        'Profile',
                        _ProfileSection(
                          profileEditPageBuilder: profileEditPageBuilder,
                          onEditDisplayName: onEditDisplayName,
                          onEditProfileDescription: onEditProfileDescription,
                        ),
                      ),
                      if (_notificationsVisible(ref))
                        ('Notifications', const _NotificationsSection()),
                      (
                        'Connection',
                        _ConnectionSection(
                          identityRecoveryPageBuilder:
                              identityRecoveryPageBuilder,
                        ),
                      ),
                    ])
                      AppListRow(
                        title: section.$1,
                        trailing: const _RowChevron(),
                        onTap: () => openConversationPane(
                          paneContext,
                          section.$1,
                          (detailContext) => FrostedScaffold(
                            useUtilitySurfaceTheme: true,
                            appBar: FrostedAppBar(
                              nativeTitle: section.$1,
                              title: Text(section.$1),
                            ),
                            body: ListView(
                              padding: EdgeInsets.only(
                                top: frostedAppBarHeight(detailContext),
                                bottom: Grid.xs,
                              ),
                              children: [section.$2],
                            ),
                          ),
                        ),
                      ),
                  ] else ...[
                    _StatusSection(onSetStatus: onSetStatus),
                    _ProfileSection(
                      profileEditPageBuilder: profileEditPageBuilder,
                      onEditDisplayName: onEditDisplayName,
                      onEditProfileDescription: onEditProfileDescription,
                    ),
                    const _NotificationsSection(),
                    _ConnectionSection(
                      identityRecoveryPageBuilder: identityRecoveryPageBuilder,
                    ),
                  ],
                  if (packageInfo.hasData)
                    _VersionFooter(
                      version: packageInfo.data!.version,
                      buildNumber: packageInfo.data!.buildNumber,
                    ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}

class _VersionFooter extends StatelessWidget {
  const _VersionFooter({required this.version, required this.buildNumber});

  final String version;
  final String buildNumber;

  @override
  Widget build(BuildContext context) {
    return SafeArea(
      top: false,
      child: Padding(
        padding: const EdgeInsets.only(bottom: Grid.xs, top: Grid.xxs),
        child: Center(
          child: Text(
            buildNumber.isEmpty ? 'v$version' : 'v$version ($buildNumber)',
            style: context.textTheme.bodySmall?.copyWith(
              color: context.colors.onSurfaceVariant.withValues(alpha: 0.6),
            ),
          ),
        ),
      ),
    );
  }
}

/// Trailing affordance shared by the rows that push a picker page.
class _RowChevron extends StatelessWidget {
  const _RowChevron();

  @override
  Widget build(BuildContext context) {
    return Icon(
      BuzzIcons.chevronRight,
      size: 18,
      color: context.colors.onSurfaceVariant,
    );
  }
}