import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:school_asignment_app/common/utils/toast_utils.dart';
import 'package:school_asignment_app/page/global_widget/bottom_navigation_bar.dart';

class GlobalScaffold extends StatelessWidget {
  final AppBar? appBar;
  final Widget body;
  final int active;
  DateTime? lastPopTime;

  GlobalScaffold({Key? key, required this.body, this.appBar, required this.active}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: appBar,
      backgroundColor: const Color.fromRGBO(245, 245, 245, 1),
      body: WillPopScope(
          onWillPop: () {
            // 点击返回键的操作
            if (lastPopTime == null || DateTime.now().difference(lastPopTime!) > const Duration(seconds: 2)) {
              lastPopTime = DateTime.now();
              ToastUtils.showInfo('再按一次退出');
              return Future.value(false);
            } else {
              return Future.value(true);
            }
          },
          child: body),
      bottomNavigationBar: MyBottomNavigationBar(active: active),
    );
  }
}