yumi-flutter/lib/debug/room_animation_switch_dialog_preview.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:yumi/app/constants/sc_global_config.dart';
import 'package:yumi/app_localizations.dart';
import 'package:yumi/ui_kit/widgets/room/room_animation_switch_dialog.dart';

void main() {
  SCGlobalConfig.isGiftSpecialEffects = true;
  SCGlobalConfig.isLuckGiftSpecialEffects = true;
  SCGlobalConfig.isEntryVehicleAnimation = false;
  runApp(const RoomAnimationSwitchDialogPreviewApp());
}

class RoomAnimationSwitchDialogPreviewApp extends StatelessWidget {
  const RoomAnimationSwitchDialogPreviewApp({super.key});

  @override
  Widget build(BuildContext context) {
    return ScreenUtilInit(
      designSize: const Size(375, 812),
      minTextAdapt: true,
      splitScreenMode: true,
      builder:
          (_, child) => MaterialApp(
            debugShowCheckedModeBanner: false,
            locale: const Locale('en'),
            supportedLocales: SCAppLocalizations.supportedLocales,
            localizationsDelegates: const [
              SCAppLocalizations.delegate,
              GlobalMaterialLocalizations.delegate,
              GlobalWidgetsLocalizations.delegate,
              GlobalCupertinoLocalizations.delegate,
            ],
            builder: FlutterSmartDialog.init(),
            home: const _RoomAnimationSwitchDialogPreviewPage(),
          ),
    );
  }
}

class _RoomAnimationSwitchDialogPreviewPage extends StatelessWidget {
  const _RoomAnimationSwitchDialogPreviewPage();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      body: Stack(
        fit: StackFit.expand,
        children: const [
          _PreviewRoomBackground(),
          Positioned(
            left: 0,
            right: 0,
            bottom: 0,
            child: RoomAnimationSwitchDialog(),
          ),
        ],
      ),
    );
  }
}

class _PreviewRoomBackground extends StatelessWidget {
  const _PreviewRoomBackground();

  @override
  Widget build(BuildContext context) {
    return DecoratedBox(
      decoration: const BoxDecoration(
        gradient: LinearGradient(
          begin: Alignment.topCenter,
          end: Alignment.bottomCenter,
          colors: [Color(0xFF172F35), Color(0xFF071B17), Color(0xFF1B1308)],
        ),
      ),
      child: Stack(
        children: [
          Positioned(
            left: 24.w,
            top: 70.w,
            child: _PreviewLine(width: 128.w, opacity: 0.55),
          ),
          for (var index = 0; index < 10; index++)
            Positioned(
              left: (38 + (index % 5) * 66).w,
              top: (145 + (index ~/ 5) * 80).w,
              child: const _PreviewSeat(),
            ),
          Positioned(
            left: 26.w,
            right: 26.w,
            top: 355.w,
            child: _PreviewPanel(height: 150.w),
          ),
          Positioned(
            left: 24.w,
            right: 24.w,
            bottom: 36.w,
            child: _PreviewPanel(height: 52.w),
          ),
        ],
      ),
    );
  }
}

class _PreviewSeat extends StatelessWidget {
  const _PreviewSeat();

  @override
  Widget build(BuildContext context) {
    return DecoratedBox(
      decoration: BoxDecoration(
        shape: BoxShape.circle,
        border: Border.all(
          color: const Color(0xFFFFCE7C).withValues(alpha: 0.36),
          width: 2.w,
        ),
        color: Colors.black.withValues(alpha: 0.18),
      ),
      child: SizedBox(width: 44.w, height: 44.w),
    );
  }
}

class _PreviewLine extends StatelessWidget {
  const _PreviewLine({required this.width, required this.opacity});

  final double width;
  final double opacity;

  @override
  Widget build(BuildContext context) {
    return Container(
      width: width,
      height: 14.w,
      decoration: BoxDecoration(
        color: Colors.white.withValues(alpha: opacity),
        borderRadius: BorderRadius.circular(7.w),
      ),
    );
  }
}

class _PreviewPanel extends StatelessWidget {
  const _PreviewPanel({required this.height});

  final double height;

  @override
  Widget build(BuildContext context) {
    return Container(
      height: height,
      decoration: BoxDecoration(
        color: Colors.black.withValues(alpha: 0.24),
        borderRadius: BorderRadius.circular(16.w),
        border: Border.all(color: Colors.white.withValues(alpha: 0.08)),
      ),
    );
  }
}