import 'package:chicken_farm/core/services/connectivity_service.dart';
import 'package:chicken_farm/core/services/offline_storage_service.dart';
import 'package:chicken_farm/routes/app_routes.dart';
import 'package:chicken_farm/routes/route_provider.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';

class VberApp extends ConsumerWidget {
  const VberApp({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final goRouter = ref.watch(goRouterProvider);

    // 只在应用启动时检查是否需要上传数据
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _checkAndNavigateToUpload(goRouter);
    });

    return MaterialApp.router(
      title: '养殖场管理系统',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        useMaterial3: true,
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.green),
      ),
      routerConfig: goRouter,
    );
  }

  // 检查是否有待上传数据，如果有则导航到上传页面
  Future<void> _checkAndNavigateToUpload(GoRouter goRouter) async {
    final container = ProviderContainer();
    final isConnected = await container.read(isConnectedProvider.future);
    if (isConnected) {
      final storageService = OfflineStorageService();
      final pendingOperations = await storageService.getPendingOperations();
      if (pendingOperations.isNotEmpty) {
        // 使用GoRouter进行导航
        goRouter.pushNamed(AppRouteNames.upload);
      }
    }
  }
}