paperless-mobile/lib/features/settings/view/widgets/theme_mode_setting.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
import 'package:flutter_paperless_mobile/features/settings/model/application_settings_state.dart';
import 'package:flutter_paperless_mobile/features/settings/view/widgets/radio_settings_dialog.dart';
import 'package:flutter_paperless_mobile/generated/l10n.dart';

class ThemeModeSetting extends StatelessWidget {
  const ThemeModeSetting({super.key});

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<ApplicationSettingsCubit, ApplicationSettingsState>(
      builder: (context, settings) {
        return ListTile(
          title: Text(S.of(context).settingsPageAppearanceSettingTitle),
          subtitle: Text(_mapThemeModeToLocalizedString(settings.preferredThemeMode, context)),
          onTap: () => showDialog<ThemeMode>(
            context: context,
            builder: (_) => RadioSettingsDialog<ThemeMode>(
              options: [
                RadioOption(
                  value: ThemeMode.system,
                  label: S.of(context).settingsPageAppearanceSettingSystemThemeLabel,
                ),
                RadioOption(
                  value: ThemeMode.light,
                  label: S.of(context).settingsPageAppearanceSettingLightThemeLabel,
                ),
                RadioOption(
                  value: ThemeMode.dark,
                  label: S.of(context).settingsPageAppearanceSettingDarkThemeLabel,
                )
              ],
              initialValue:
                  BlocProvider.of<ApplicationSettingsCubit>(context).state.preferredThemeMode,
              title: Text(S.of(context).settingsPageAppearanceSettingTitle),
            ),
          ).then((value) {
            return BlocProvider.of<ApplicationSettingsCubit>(context).setThemeMode(value);
          }),
        );
      },
    );
  }

  String _mapThemeModeToLocalizedString(ThemeMode theme, BuildContext context) {
    switch (theme) {
      case ThemeMode.system:
        return S.of(context).settingsThemeModeSystemLabel;
      case ThemeMode.light:
        return S.of(context).settingsThemeModeLightLabel;
      case ThemeMode.dark:
        return S.of(context).settingsThemeModeDarkLabel;
    }
  }
}