350 lines
12 KiB
Dart
350 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import '../../core/services/chit_group_service.dart';
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import '../../core/models/chit_group.dart';
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import '../../shared/widgets/draw_animation_selector.dart';
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class DrawAnimationPage extends StatefulWidget {
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final ChitGroup group;
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final int month;
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final int year;
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final String serverSeed;
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final int nonce;
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final List<Map<String, dynamic>> eligibleMembers;
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const DrawAnimationPage({
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super.key,
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required this.group,
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required this.month,
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required this.year,
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required this.serverSeed,
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required this.nonce,
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required this.eligibleMembers,
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});
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@override
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State<DrawAnimationPage> createState() => _DrawAnimationPageState();
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}
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class _DrawAnimationPageState extends State<DrawAnimationPage>
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with SingleTickerProviderStateMixin {
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late AnimationController _fadeController;
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late Animation<double> _fadeAnimation;
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bool _isComplete = false;
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@override
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void initState() {
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super.initState();
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_fadeController = AnimationController(
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duration: const Duration(milliseconds: 800),
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vsync: this,
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);
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_fadeAnimation = Tween<double>(
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begin: 0.0,
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end: 1.0,
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).animate(CurvedAnimation(
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parent: _fadeController,
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curve: Curves.easeInOut,
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));
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_fadeController.forward();
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}
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@override
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void dispose() {
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_fadeController.dispose();
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super.dispose();
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}
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void _onDrawComplete(String winnerId) async {
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if (_isComplete) return;
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setState(() {
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_isComplete = true;
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});
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// Wait a moment to show the winner
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await Future.delayed(const Duration(seconds: 3));
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// Save the draw result
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final chitGroupService = Get.find<ChitGroupService>();
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try {
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await chitGroupService.createMonthlyDraw(
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widget.group.id,
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widget.month,
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widget.year,
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clientSeed: 'DRAW_${DateTime.now().millisecondsSinceEpoch}',
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);
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// Navigate back with success
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Get.back(result: true);
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Get.snackbar(
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'Draw Complete! 🎉',
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'Winner has been selected successfully',
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backgroundColor: Colors.green,
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colorText: Colors.white,
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duration: const Duration(seconds: 3),
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snackPosition: SnackPosition.TOP,
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);
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} catch (e) {
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Get.back(result: false);
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Get.snackbar(
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'Error',
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'Failed to save draw result: ${e.toString()}',
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backgroundColor: Colors.red,
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colorText: Colors.white,
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duration: const Duration(seconds: 4),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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return WillPopScope(
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onWillPop: () async {
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// Prevent back button during animation
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if (_isComplete) return true;
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final result = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Cancel Draw?'),
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content: const Text('Are you sure you want to cancel the draw? This action cannot be undone.'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Continue Draw'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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),
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child: const Text('Cancel Draw'),
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),
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],
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),
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);
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return result ?? false;
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},
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child: Scaffold(
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backgroundColor: Colors.black,
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body: SafeArea(
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child: FadeTransition(
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opacity: _fadeAnimation,
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child: Container(
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width: double.infinity,
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height: double.infinity,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Colors.purple.shade900,
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Colors.blue.shade900,
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Colors.indigo.shade900,
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],
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),
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),
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child: Column(
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children: [
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// Header
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Padding(
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padding: EdgeInsets.all(20.w),
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child: Column(
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children: [
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Row(
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children: [
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if (!_isComplete)
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IconButton(
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icon: Icon(
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Icons.close,
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color: Colors.white.withOpacity(0.8),
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size: 28.w,
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),
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onPressed: () async {
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final result = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Cancel Draw?'),
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content: const Text('Are you sure you want to cancel the draw?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Continue'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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),
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child: const Text('Cancel'),
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),
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],
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),
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);
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if (result == true) {
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Get.back(result: false);
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}
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},
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)
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else
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SizedBox(width: 48.w),
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Expanded(
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child: Column(
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children: [
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Text(
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widget.group.name,
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style: TextStyle(
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fontSize: 24.sp,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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textAlign: TextAlign.center,
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),
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SizedBox(height: 8.h),
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Container(
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padding: EdgeInsets.symmetric(
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horizontal: 16.w,
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vertical: 6.h,
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),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.2),
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borderRadius: BorderRadius.circular(20.r),
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border: Border.all(
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color: Colors.white.withOpacity(0.3),
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),
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),
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child: Text(
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'Month ${widget.month}/${widget.year}',
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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),
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),
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),
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],
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),
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),
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SizedBox(width: 48.w),
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],
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),
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],
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),
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),
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// Animation Area
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Expanded(
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child: Center(
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child: DrawAnimationSelector(
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members: widget.eligibleMembers,
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onDrawComplete: _onDrawComplete,
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serverSeed: widget.serverSeed,
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clientSeed: 'DRAW_${DateTime.now().millisecondsSinceEpoch}',
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nonce: widget.nonce,
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animationDuration: const Duration(seconds: 8),
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),
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),
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),
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// Footer
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Padding(
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padding: EdgeInsets.all(20.w),
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child: Column(
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children: [
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Container(
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padding: EdgeInsets.all(16.w),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(
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color: Colors.white.withOpacity(0.2),
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),
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),
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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_buildInfoItem(
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'Eligible Members',
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'${widget.eligibleMembers.length}',
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Icons.people,
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),
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Container(
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width: 1,
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height: 30.h,
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color: Colors.white.withOpacity(0.3),
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),
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_buildInfoItem(
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'Total Members',
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'${widget.group.maxMembers}',
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Icons.group,
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),
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],
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),
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],
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),
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),
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SizedBox(height: 12.h),
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Text(
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'🎲 Provably Fair Draw',
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.white.withOpacity(0.7),
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fontWeight: FontWeight.w500,
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),
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),
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],
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),
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),
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],
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),
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),
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),
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),
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),
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);
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}
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Widget _buildInfoItem(String label, String value, IconData icon) {
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return Column(
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children: [
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Icon(
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icon,
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color: Colors.white.withOpacity(0.8),
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size: 24.w,
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),
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SizedBox(height: 6.h),
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Text(
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value,
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style: TextStyle(
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fontSize: 20.sp,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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),
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Text(
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label,
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style: TextStyle(
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fontSize: 12.sp,
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color: Colors.white.withOpacity(0.7),
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),
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),
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],
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);
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}
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}
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