// 功能描述：使用固定示例数据启动用户端首页，供本地视觉验收使用。
// 版本：1.0.0
import 'package:flutter/material.dart';
import 'package:user_app/data/repositories/client_repository.dart';
import 'package:user_app/data/services/api_client.dart';
import 'package:user_app/domain/models/client_models.dart';
import 'package:user_app/ui/core/app_theme.dart';
import 'package:user_app/ui/features/home/home_page.dart';

/// 启动不依赖账号和网络的首页视觉预览。
void main() {
  runApp(const _HomeVisualPreviewApp());
}

/// 首页视觉预览应用。
class _HomeVisualPreviewApp extends StatelessWidget {
  const _HomeVisualPreviewApp();

  @override
  Widget build(BuildContext context) => MaterialApp(
    debugShowCheckedModeBanner: false,
    theme: AppTheme.light(),
    home: Scaffold(
      body: HomePage(repository: _VisualClientRepository()),
      bottomNavigationBar: NavigationBar(
        selectedIndex: 0,
        destinations: const [
          NavigationDestination(
            icon: Icon(Icons.home_outlined),
            selectedIcon: Icon(Icons.home),
            label: '首页',
          ),
          NavigationDestination(icon: Icon(Icons.shopping_bag_outlined), label: '商城'),
          NavigationDestination(icon: Icon(Icons.receipt_long_outlined), label: '订单'),
          NavigationDestination(icon: Icon(Icons.person_outline), label: '我的'),
        ],
      ),
    ),
  );
}

/// 提供稳定首页数据，避免视觉预览依赖真实账号和服务接口。
class _VisualClientRepository extends ClientRepository {
  _VisualClientRepository() : super(ApiClient(() => ''));

  @override
  Future<List<ClientRecord>> contents() async => List.generate(
    6,
    (index) => ClientRecord(
      identity: 'notice-${9 - index}',
      title: '模拟公告 ${9 - index}',
      subtitle: 'notice',
      raw: const {},
    ),
  );

  @override
  Future<Map<String, Object?>> serviceRelation() async => const {
    'gas_name': '和气城南气站',
    'delivery_name': '安顺路配送点',
  };
}