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