import 'package:ansu_ui/buttons/as_back_button.dart';
import 'package:ansu_ui/styles/as_colors.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

///ASScaffold
///
///made with Scaffold from `Material`
///
///`title`,`body`
///
///`leading`,`bottomNavigationBar`,`appBarBottom`
class ASScaffold extends StatefulWidget {
  ///标题，可为`String`或`Text`
  final dynamic title;

  /// `Scaffold` body
  final Widget body;

  /// `Scaffold` leading
  final Widget leading;

  /// `Scaffold` bottomNavigationBar
  final Widget bottomNavigationBar;

  /// `AppBar` appBarBottom
  final PreferredSizeWidget appBarBottom;

  /// `EndDrawer` endDrawer
  ///
  /// 右方向的抽屉
  final Widget endDrawer;

  /// `AppBar` appBar
  final Widget appBar;
  ASScaffold({
    Key key,
    this.title,
    this.leading,
    this.body,
    this.bottomNavigationBar,
    this.appBarBottom,
    this.endDrawer,
    this.appBar,
  }) : super(key: key);

  @override
  _ASScaffoldState createState() => _ASScaffoldState();
}

class _ASScaffoldState extends State<ASScaffold> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      endDrawer: widget.endDrawer,
      backgroundColor: kBackgroundColor,
      bottomNavigationBar: widget.bottomNavigationBar,
      appBar: widget.appBar ??
          AppBar(
            brightness: Brightness.light,
            backgroundColor: kForegroundColor,
            elevation: 0,
            leading: widget.leading ?? ASBackButton(),
            centerTitle: true,
            title: DefaultTextStyle(
              style: TextStyle(
                color: kTextColor,
                fontSize: 18.sp,
                fontWeight: FontWeight.bold,
              ),
              child: widget.title is String
                  ? Text(widget.title)
                  : widget.title ?? SizedBox(),
            ),
            bottom: widget.appBarBottom,
          ),
      body: widget.body,
    );
  }
}