598 lines
20 KiB
Dart
598 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import '../../../../app/theme/app_colors.dart';
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import '../../../../app/i18n/app_localizations.dart';
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import '../../../../core/services/issuer_finance_service.dart';
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/// 财务管理页面
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///
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/// 法币展示，不暴露链上稳定币细节
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/// 包含：销售收入、Breakage收入、手续费、保证金、冻结款、提现、对账报表
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class FinancePage extends StatelessWidget {
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const FinancePage({super.key});
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@override
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Widget build(BuildContext context) {
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return DefaultTabController(
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length: 3,
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child: Scaffold(
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appBar: AppBar(
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title: Text(context.t('finance_title')),
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actions: [
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IconButton(
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icon: const Icon(Icons.download_rounded),
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onPressed: () => _showExportDialog(context),
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),
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],
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bottom: TabBar(
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tabs: [
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Tab(text: context.t('finance_tab_overview')),
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Tab(text: context.t('finance_tab_transactions')),
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Tab(text: context.t('finance_tab_reconciliation')),
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],
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),
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),
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body: const TabBarView(
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children: [
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_OverviewTab(),
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_TransactionDetailTab(),
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_ReconciliationTab(),
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],
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),
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),
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);
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}
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void _showExportDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (ctx) => SimpleDialog(
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title: Text(context.t('finance_export_title')),
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children: [
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SimpleDialogOption(onPressed: () => Navigator.pop(ctx), child: Text(context.t('finance_export_csv'))),
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SimpleDialogOption(onPressed: () => Navigator.pop(ctx), child: Text(context.t('finance_export_excel'))),
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SimpleDialogOption(onPressed: () => Navigator.pop(ctx), child: Text(context.t('finance_export_pdf'))),
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],
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),
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);
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}
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}
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class _OverviewTab extends StatefulWidget {
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const _OverviewTab();
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@override
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State<_OverviewTab> createState() => _OverviewTabState();
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}
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class _OverviewTabState extends State<_OverviewTab> {
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final _financeService = IssuerFinanceService();
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bool _isLoading = true;
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String? _error;
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FinanceBalance? _balance;
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FinanceStats? _stats;
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@override
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void initState() {
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super.initState();
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_loadData();
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}
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Future<void> _loadData() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final results = await Future.wait([
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_financeService.getBalance(),
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_financeService.getStats(),
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]);
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if (!mounted) return;
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setState(() {
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_balance = results[0] as FinanceBalance;
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_stats = results[1] as FinanceStats;
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_isLoading = false;
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});
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} catch (e) {
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debugPrint('[FinancePage] loadData error: $e');
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if (!mounted) return;
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setState(() {
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_isLoading = false;
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_error = e.toString();
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});
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}
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}
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Future<void> _handleWithdraw() async {
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if (_balance == null || _balance!.withdrawable <= 0) return;
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: Text(context.t('finance_confirm_withdraw')),
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content: Text('${context.t('finance_withdraw_amount')}: \$${_balance!.withdrawable.toStringAsFixed(2)}'),
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actions: [
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TextButton(onPressed: () => Navigator.pop(ctx, false), child: Text(context.t('cancel'))),
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ElevatedButton(onPressed: () => Navigator.pop(ctx, true), child: Text(context.t('confirm'))),
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],
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),
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);
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if (confirmed != true) return;
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try {
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await _financeService.withdraw(_balance!.withdrawable);
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(context.t('finance_withdraw_submitted')), backgroundColor: AppColors.success),
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);
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_loadData();
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} catch (e) {
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debugPrint('[FinancePage] withdraw error: $e');
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${context.t('finance_withdraw_failed')}: $e'), backgroundColor: AppColors.error),
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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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if (_isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, size: 48, color: AppColors.textTertiary),
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const SizedBox(height: 16),
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Text(_error!, style: const TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton(onPressed: _loadData, child: Text(context.t('retry'))),
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],
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),
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);
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}
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return RefreshIndicator(
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onRefresh: _loadData,
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(20),
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child: Column(
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children: [
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// Balance Card
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Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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gradient: AppColors.primaryGradient,
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borderRadius: BorderRadius.circular(16),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(context.t('finance_withdrawable'), style: TextStyle(fontSize: 13, color: Colors.white.withValues(alpha: 0.7))),
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const SizedBox(height: 4),
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Text(
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'\$${_balance?.withdrawable.toStringAsFixed(2) ?? '0.00'}',
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style: const TextStyle(fontSize: 32, fontWeight: FontWeight.w700, color: Colors.white),
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),
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const SizedBox(height: 16),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: _handleWithdraw,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.white,
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foregroundColor: AppColors.primary,
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),
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child: Text(context.t('finance_withdraw')),
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),
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),
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],
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),
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),
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const SizedBox(height: 20),
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// Financial Stats
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_buildFinanceStatsGrid(context),
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const SizedBox(height: 20),
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// Guarantee Fund
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_buildGuaranteeFundCard(context),
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const SizedBox(height: 20),
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// Revenue Trend
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: AppColors.borderLight),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(context.t('finance_revenue_trend'), style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
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const SizedBox(height: 16),
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Container(
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height: 160,
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decoration: BoxDecoration(
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color: AppColors.gray50,
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(child: Text(context.t('finance_revenue_chart'), style: const TextStyle(color: AppColors.textTertiary))),
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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 _buildFinanceStatsGrid(BuildContext context) {
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final s = _stats;
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final statItems = [
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(context.t('finance_sales_income'), '\$${s?.salesAmount.toStringAsFixed(0) ?? '0'}', AppColors.success),
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(context.t('finance_breakage_income'), '\$${s?.breakageIncome.toStringAsFixed(0) ?? '0'}', AppColors.info),
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(context.t('finance_platform_fee'), '-\$${s?.platformFee.toStringAsFixed(0) ?? '0'}', AppColors.error),
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(context.t('finance_pending_settlement'), '\$${s?.pendingSettlement.toStringAsFixed(0) ?? '0'}', AppColors.warning),
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(context.t('finance_withdrawn'), '\$${s?.withdrawnAmount.toStringAsFixed(0) ?? '0'}', AppColors.textSecondary),
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(context.t('finance_total_income'), '\$${s?.totalRevenue.toStringAsFixed(0) ?? '0'}', AppColors.primary),
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];
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return GridView.builder(
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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mainAxisSpacing: 12,
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crossAxisSpacing: 12,
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childAspectRatio: 2,
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),
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itemCount: statItems.length,
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itemBuilder: (context, index) {
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final (label, value, color) = statItems[index];
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: AppColors.borderLight),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(label, style: const TextStyle(fontSize: 12, color: AppColors.textSecondary)),
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Text(value, style: TextStyle(fontSize: 17, fontWeight: FontWeight.w700, color: color)),
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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 _buildGuaranteeFundCard(BuildContext context) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: AppColors.borderLight),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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const Icon(Icons.shield_rounded, color: AppColors.info, size: 20),
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const SizedBox(width: 8),
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Text(context.t('finance_guarantee_title'), style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
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],
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),
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const SizedBox(height: 16),
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_buildRow(context.t('finance_guarantee_deposit'), '\$${_balance?.pending.toStringAsFixed(0) ?? '0'}'),
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_buildRow(context.t('finance_frozen_sales'), '--'),
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_buildRow(context.t('finance_frozen_ratio'), '--'),
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const SizedBox(height: 12),
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SwitchListTile(
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title: Text(context.t('finance_auto_freeze'), style: const TextStyle(fontSize: 14)),
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subtitle: Text(context.t('finance_auto_freeze_desc')),
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value: true,
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onChanged: (_) {
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// TODO: Toggle auto-freeze setting
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},
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activeColor: AppColors.primary,
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contentPadding: EdgeInsets.zero,
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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 _buildRow(String label, String value) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(label, style: const TextStyle(fontSize: 13, color: AppColors.textSecondary)),
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Text(value, style: const TextStyle(fontSize: 14, 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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class _TransactionDetailTab extends StatefulWidget {
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const _TransactionDetailTab();
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@override
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State<_TransactionDetailTab> createState() => _TransactionDetailTabState();
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}
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class _TransactionDetailTabState extends State<_TransactionDetailTab> {
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final _financeService = IssuerFinanceService();
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bool _isLoading = true;
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String? _error;
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List<TransactionModel> _transactions = [];
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@override
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void initState() {
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super.initState();
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_loadTransactions();
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}
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Future<void> _loadTransactions() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final result = await _financeService.getTransactions();
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if (!mounted) return;
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setState(() {
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_transactions = result.items;
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_isLoading = false;
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});
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} catch (e) {
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debugPrint('[FinancePage] loadTransactions error: $e');
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if (!mounted) return;
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setState(() {
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_isLoading = false;
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_error = e.toString();
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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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if (_isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, size: 48, color: AppColors.textTertiary),
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const SizedBox(height: 16),
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Text(_error!, style: const TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton(onPressed: _loadTransactions, child: Text(context.t('retry'))),
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],
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),
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);
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}
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if (_transactions.isEmpty) {
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return Center(
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child: Text(context.t('finance_no_transactions'), style: const TextStyle(color: AppColors.textSecondary)),
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);
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}
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return RefreshIndicator(
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onRefresh: _loadTransactions,
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child: ListView.separated(
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padding: const EdgeInsets.all(20),
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itemCount: _transactions.length,
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separatorBuilder: (_, __) => const Divider(height: 1),
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itemBuilder: (context, index) {
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final tx = _transactions[index];
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final isPositive = tx.amount >= 0;
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final color = isPositive ? AppColors.success : AppColors.error;
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return ListTile(
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contentPadding: const EdgeInsets.symmetric(vertical: 6),
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title: Text(tx.description, style: const TextStyle(fontSize: 14)),
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subtitle: Text(
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_formatTime(tx.createdAt),
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style: const TextStyle(fontSize: 12, color: AppColors.textTertiary),
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),
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trailing: Text(
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'${isPositive ? '+' : ''}\$${tx.amount.toStringAsFixed(2)}',
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: color),
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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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String _formatTime(DateTime dt) {
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final now = DateTime.now();
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final isToday = dt.year == now.year && dt.month == now.month && dt.day == now.day;
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final timeStr = '${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
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if (isToday) return '${context.t('finance_today')} $timeStr';
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final yesterday = now.subtract(const Duration(days: 1));
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final isYesterday = dt.year == yesterday.year && dt.month == yesterday.month && dt.day == yesterday.day;
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if (isYesterday) return '${context.t('finance_yesterday')} $timeStr';
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return '${dt.month}/${dt.day} $timeStr';
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}
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}
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class _ReconciliationTab extends StatefulWidget {
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const _ReconciliationTab();
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@override
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State<_ReconciliationTab> createState() => _ReconciliationTabState();
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}
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class _ReconciliationTabState extends State<_ReconciliationTab> {
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final _financeService = IssuerFinanceService();
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bool _isLoading = true;
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String? _error;
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Map<String, dynamic> _reconciliation = {};
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@override
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void initState() {
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super.initState();
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_loadReconciliation();
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}
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Future<void> _loadReconciliation() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final data = await _financeService.getReconciliation();
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if (!mounted) return;
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setState(() {
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_reconciliation = data;
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_isLoading = false;
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});
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} catch (e) {
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debugPrint('[FinancePage] loadReconciliation error: $e');
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if (!mounted) return;
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setState(() {
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_isLoading = false;
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_error = e.toString();
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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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if (_isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, size: 48, color: AppColors.textTertiary),
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const SizedBox(height: 16),
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Text(_error!, style: const TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton(onPressed: _loadReconciliation, child: Text(context.t('retry'))),
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],
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),
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);
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}
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final reports = (_reconciliation['reports'] as List?)?.cast<Map<String, dynamic>>() ?? [];
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return RefreshIndicator(
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onRefresh: _loadReconciliation,
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child: ListView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(20),
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children: [
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// Generate New
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OutlinedButton.icon(
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onPressed: () {
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// TODO: Trigger reconciliation report generation
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},
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icon: const Icon(Icons.add_rounded),
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label: Text(context.t('finance_generate_report')),
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style: OutlinedButton.styleFrom(
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minimumSize: const Size(double.infinity, 48),
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),
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),
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const SizedBox(height: 20),
|
||
|
||
if (reports.isEmpty)
|
||
Center(
|
||
child: Padding(
|
||
padding: const EdgeInsets.all(32),
|
||
child: Text(context.t('finance_no_reports'), style: const TextStyle(color: AppColors.textSecondary)),
|
||
),
|
||
)
|
||
else
|
||
...reports.map((r) {
|
||
final title = r['title'] ?? '';
|
||
final summary = r['summary'] ?? '';
|
||
final status = r['status'] ?? '--';
|
||
return Container(
|
||
margin: const EdgeInsets.only(bottom: 12),
|
||
padding: const EdgeInsets.all(16),
|
||
decoration: BoxDecoration(
|
||
color: AppColors.surface,
|
||
borderRadius: BorderRadius.circular(12),
|
||
border: Border.all(color: AppColors.borderLight),
|
||
),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
Expanded(
|
||
child: Text(title, style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
|
||
),
|
||
Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
|
||
decoration: BoxDecoration(
|
||
color: AppColors.successLight,
|
||
borderRadius: BorderRadius.circular(999),
|
||
),
|
||
child: Text(status, style: const TextStyle(fontSize: 11, color: AppColors.success)),
|
||
),
|
||
],
|
||
),
|
||
const SizedBox(height: 6),
|
||
Text(summary, style: const TextStyle(fontSize: 12, color: AppColors.textSecondary)),
|
||
const SizedBox(height: 12),
|
||
Row(
|
||
children: [
|
||
TextButton.icon(
|
||
onPressed: () {
|
||
// TODO: Navigate to reconciliation detail view
|
||
},
|
||
icon: const Icon(Icons.visibility_rounded, size: 16),
|
||
label: Text(context.t('view')),
|
||
),
|
||
TextButton.icon(
|
||
onPressed: () {
|
||
// TODO: Export reconciliation report
|
||
},
|
||
icon: const Icon(Icons.download_rounded, size: 16),
|
||
label: Text(context.t('export')),
|
||
),
|
||
],
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|