Files
worker/lib/features/loyalty/presentation/pages/rewards_page.dart
Phuoc Nguyen 860a8788b6 loyalty
2025-10-24 17:35:39 +07:00

381 lines
12 KiB
Dart

/// Rewards Page
///
/// Displays gift catalog where users can redeem rewards with loyalty points.
library;
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import 'package:worker/core/constants/ui_constants.dart';
import 'package:worker/core/theme/colors.dart';
import 'package:worker/features/loyalty/domain/entities/gift_catalog.dart';
import 'package:worker/features/loyalty/presentation/providers/gifts_provider.dart';
import 'package:worker/features/loyalty/presentation/providers/loyalty_points_provider.dart';
import 'package:worker/features/loyalty/presentation/widgets/points_balance_card.dart';
import 'package:worker/features/loyalty/presentation/widgets/reward_card.dart';
/// Rewards Page
///
/// Features:
/// - Points balance card with gradient
/// - Category filter pills
/// - Gift catalog grid (2 columns)
/// - Redemption functionality
class RewardsPage extends ConsumerWidget {
const RewardsPage({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final filteredGifts = ref.watch(filteredGiftsProvider);
final selectedCategory = ref.watch(selectedGiftCategoryProvider);
return Scaffold(
backgroundColor: const Color(0xFFF4F6F8),
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.black),
onPressed: () => context.pop(),
),
title: const Text('Đổi quà tặng', style: TextStyle(color: Colors.black)),
elevation: AppBarSpecs.elevation,
backgroundColor: AppColors.white,
foregroundColor: AppColors.grey900,
centerTitle: false,
actions: const [
SizedBox(width: AppSpacing.sm),
],
),
body: RefreshIndicator(
onRefresh: () async {
await ref.read(giftsProvider.notifier).refresh();
await ref.read(loyaltyPointsProvider.notifier).refresh();
},
child: CustomScrollView(
slivers: [
// Points Balance Card
const SliverToBoxAdapter(
child: Padding(
padding: EdgeInsets.all(16),
child: PointsBalanceCard(),
),
),
// Category Filter Pills
SliverToBoxAdapter(
child: _buildCategoryFilter(context, ref, selectedCategory),
),
// Rewards Grid
SliverPadding(
padding: const EdgeInsets.fromLTRB(12, 8, 12, 24),
sliver: filteredGifts.isEmpty
? _buildEmptyState()
: SliverGrid(
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2,
childAspectRatio: 0.7,
crossAxisSpacing: 0,
mainAxisSpacing: 0,
),
delegate: SliverChildBuilderDelegate(
(context, index) {
final gift = filteredGifts[index];
return RewardCard(
gift: gift,
onRedeem: () => _handleRedeemGift(
context,
ref,
gift,
),
);
},
childCount: filteredGifts.length,
),
),
),
],
),
),
);
}
/// Build category filter pills
Widget _buildCategoryFilter(
BuildContext context,
WidgetRef ref,
GiftCategory? selectedCategory,
) {
return Container(
height: 48,
padding: const EdgeInsets.symmetric(horizontal: 16),
child: ListView(
scrollDirection: Axis.horizontal,
children: [
// "Tất cả" (All) filter
_buildFilterChip(
context: context,
ref: ref,
label: 'Tất cả',
isSelected: selectedCategory == null,
onTap: () {
ref.read(selectedGiftCategoryProvider.notifier).clearSelection();
},
),
const SizedBox(width: 8),
// Voucher filter
_buildFilterChip(
context: context,
ref: ref,
label: 'Voucher',
isSelected: selectedCategory == GiftCategory.voucher,
onTap: () {
ref
.read(selectedGiftCategoryProvider.notifier)
.setCategory(GiftCategory.voucher);
},
),
const SizedBox(width: 8),
// Product filter
_buildFilterChip(
context: context,
ref: ref,
label: 'Sản phẩm',
isSelected: selectedCategory == GiftCategory.product,
onTap: () {
ref
.read(selectedGiftCategoryProvider.notifier)
.setCategory(GiftCategory.product);
},
),
const SizedBox(width: 8),
// Service filter
_buildFilterChip(
context: context,
ref: ref,
label: 'Dịch vụ',
isSelected: selectedCategory == GiftCategory.service,
onTap: () {
ref
.read(selectedGiftCategoryProvider.notifier)
.setCategory(GiftCategory.service);
},
),
const SizedBox(width: 8),
// Special offers filter
_buildFilterChip(
context: context,
ref: ref,
label: 'Ưu đãi đặc biệt',
isSelected: selectedCategory == GiftCategory.discount,
onTap: () {
ref
.read(selectedGiftCategoryProvider.notifier)
.setCategory(GiftCategory.discount);
},
),
],
),
);
}
/// Build individual filter chip
Widget _buildFilterChip({
required BuildContext context,
required WidgetRef ref,
required String label,
required bool isSelected,
required VoidCallback onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: isSelected ? AppColors.primaryBlue : AppColors.grey100,
borderRadius: BorderRadius.circular(20),
),
child: Center(
child: Text(
label,
style: TextStyle(
fontSize: 14,
fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
color: isSelected ? Colors.white : AppColors.grey900,
),
),
),
),
);
}
/// Build empty state
Widget _buildEmptyState() {
return SliverFillRemaining(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.card_giftcard_outlined,
size: 64,
color: AppColors.grey500,
),
const SizedBox(height: 16),
const Text(
'Không có quà tặng nào',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: AppColors.grey500,
),
),
const SizedBox(height: 8),
const Text(
'Vui lòng thử lại sau',
style: TextStyle(
fontSize: 14,
color: AppColors.grey500,
),
),
],
),
),
);
}
/// Handle gift redemption
void _handleRedeemGift(
BuildContext context,
WidgetRef ref,
GiftCatalog gift,
) {
final numberFormat = NumberFormat('#,###', 'vi_VN');
final pointsState = ref.read(loyaltyPointsProvider);
showDialog<void>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Xác nhận đổi quà'),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Bạn có chắc muốn đổi quà này?',
style: const TextStyle(fontSize: 14),
),
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: AppColors.grey50,
borderRadius: BorderRadius.circular(8),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
gift.name,
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
'Chi phí:',
style: TextStyle(fontSize: 13),
),
Text(
'${numberFormat.format(gift.pointsCost)} điểm',
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: AppColors.primaryBlue,
),
),
],
),
const SizedBox(height: 4),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
'Số dư sau khi đổi:',
style: TextStyle(fontSize: 13),
),
Text(
'${numberFormat.format(pointsState.availablePoints - gift.pointsCost)} điểm',
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
),
),
],
),
],
),
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Hủy'),
),
ElevatedButton(
onPressed: () {
Navigator.pop(context);
_processRedemption(context, ref, gift);
},
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primaryBlue,
foregroundColor: Colors.white,
),
child: const Text('Xác nhận'),
),
],
),
);
}
/// Process gift redemption
void _processRedemption(
BuildContext context,
WidgetRef ref,
GiftCatalog gift,
) {
// Deduct points
ref.read(loyaltyPointsProvider.notifier).deductPoints(gift.pointsCost);
// Show success message
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Row(
children: [
const Icon(Icons.check_circle, color: Colors.white),
const SizedBox(width: 12),
Expanded(
child: Text('Đổi quà "${gift.name}" thành công!'),
),
],
),
backgroundColor: AppColors.success,
behavior: SnackBarBehavior.floating,
duration: const Duration(seconds: 3),
),
);
// TODO: Navigate to gift code display page
// context.push('/loyalty/my-gifts');
}
}