// Author: fruit.com.cn

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import '../../core/data/services/auth_controller.dart';
import '../../core/theme/app_dimens.dart';
import '../../core/theme/app_theme.dart';
import '../../core/widgets/auth_gate.dart';
import '../../core/widgets/plain_page_scaffold.dart';
import '../../l10n/app_localizations.dart';
import '../account/account_entry_card.dart';
import 'legal_links_card.dart';

/// 设置页：账号入口按列表展示，不提供通知和手动语言切换。
class SettingsPage extends StatelessWidget {
  const SettingsPage({super.key});

  @override
  Widget build(BuildContext context) {
    final l10n = AppLocalizations.of(context)!;
    final auth = context.watch<AuthController>();
    return Theme(
      data: AppTheme.dark(),
      child: PlainPageScaffold(
        pageKey: const Key('settings-page'),
        backKey: const Key('settings-back'),
        title: l10n.settings,
        child: ListView(
          padding: const EdgeInsets.fromLTRB(14, 8, 14, 28),
          children: [
            if (auth.isSignedIn) ...[
              const AccountEntryCard(),
              const SizedBox(height: AppDimens.spaceXl),
            ],
            const LegalLinksCard(),
            const SizedBox(height: AppDimens.spaceXl),
            _authAction(context, l10n, auth),
          ],
        ),
      ),
    );
  }

  Widget _authAction(
    BuildContext context,
    AppLocalizations l10n,
    AuthController auth,
  ) {
    if (auth.isSignedIn) {
      return OutlinedButton(
        key: const Key('settings-sign-out'),
        onPressed: () => unawaited(auth.signOut()),
        child: Text(l10n.signOut),
      );
    }
    return FilledButton(
      key: const Key('settings-sign-in'),
      onPressed: () => unawaited(openAuthPage(context)),
      child: Text(l10n.signIn),
    );
  }
}