667 lines
21 KiB
Dart
667 lines
21 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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/// Monthly payment schedule table
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/// Shows month-wise breakdown of payments and chit win amounts
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class MonthlyScheduleTable extends StatelessWidget {
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final double totalValue;
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final int durationMonths;
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final double monthlyInstallment;
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final double commission;
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final double maxDividend;
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const MonthlyScheduleTable({
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super.key,
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required this.totalValue,
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required this.durationMonths,
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required this.monthlyInstallment,
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required this.commission,
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required this.maxDividend,
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});
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@override
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Widget build(BuildContext context) {
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if (totalValue <= 0 || durationMonths <= 0) {
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return _buildEmptyState();
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Header
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_buildHeader(),
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SizedBox(height: 12.h),
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// Month list
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Container(
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decoration: BoxDecoration(
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border: Border.all(color: Colors.grey.shade300),
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borderRadius: BorderRadius.circular(12.r),
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),
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constraints: BoxConstraints(
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maxHeight: 350.h, // Scrollable if too many months
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(12.r),
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child: ListView.builder(
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shrinkWrap: true,
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padding: EdgeInsets.zero,
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itemCount: durationMonths,
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itemBuilder: (context, index) {
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return _buildMonthRow(index + 1);
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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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// Summary footer
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_buildSummaryFooter(),
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],
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);
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}
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Widget _buildHeader() {
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return Row(
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children: [
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Icon(Icons.calendar_month_rounded, color: Colors.green.shade600, size: 20.w),
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SizedBox(width: 8.w),
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Text(
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'Month-wise Payment Schedule',
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.bold,
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color: Colors.grey.shade800,
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),
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),
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const Spacer(),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 10.w, vertical: 4.h),
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decoration: BoxDecoration(
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color: Colors.green.shade50,
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(color: Colors.green.shade300),
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),
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child: Text(
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'$durationMonths Months',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.w600,
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color: Colors.green.shade700,
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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 _buildMonthRow(int month) {
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final subscriptionAmount = totalValue / durationMonths;
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final chitWinAmount = _calculateChitWinAmount(month);
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final isEarlyMonth = month <= (durationMonths * 0.3).ceil();
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final isLastMonth = month == durationMonths;
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return Container(
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decoration: BoxDecoration(
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color: isLastMonth
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? Colors.purple.shade50
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: isEarlyMonth
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? Colors.green.shade50
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: Colors.white,
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border: Border(
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bottom: BorderSide(
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color: Colors.grey.shade200,
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width: 1,
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),
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),
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),
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child: IntrinsicHeight(
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child: Row(
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children: [
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// Month number
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Container(
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width: 55.w,
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padding: EdgeInsets.symmetric(vertical: 12.h, horizontal: 8.w),
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decoration: BoxDecoration(
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color: isLastMonth
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? Colors.purple.shade100
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: isEarlyMonth
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? Colors.green.shade100
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: Colors.grey.shade100,
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border: Border(
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right: BorderSide(
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color: Colors.grey.shade300,
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width: 1,
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),
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),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'M',
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style: TextStyle(
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fontSize: 9.sp,
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color: Colors.grey.shade600,
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),
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),
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Text(
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'$month',
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.bold,
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color: isLastMonth
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? Colors.purple.shade700
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: isEarlyMonth
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? Colors.green.shade700
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: Colors.grey.shade800,
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),
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),
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],
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),
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),
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// Payment details
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Expanded(
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child: Padding(
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padding: EdgeInsets.symmetric(horizontal: 8.w, vertical: 10.h),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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// Payment amount
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Row(
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children: [
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Expanded(
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flex: 3,
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child: Text(
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'Payment:',
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style: TextStyle(
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fontSize: 12.sp,
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color: Colors.grey.shade600,
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),
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),
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),
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Expanded(
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flex: 2,
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child: Text(
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'₹${monthlyInstallment.toStringAsFixed(0)}',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.w600,
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color: Colors.grey.shade800,
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),
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textAlign: TextAlign.right,
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),
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),
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],
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),
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SizedBox(height: 4.h),
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// Chit win amount
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Row(
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children: [
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Icon(
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Icons.emoji_events_rounded,
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size: 12.w,
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color: Colors.amber.shade700,
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),
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SizedBox(width: 4.w),
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Expanded(
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flex: 3,
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child: Text(
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'Win:',
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style: TextStyle(
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fontSize: 12.sp,
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color: Colors.grey.shade600,
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fontWeight: FontWeight.w500,
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),
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),
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),
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Expanded(
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flex: 2,
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child: Text(
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'₹${chitWinAmount.toStringAsFixed(0)}',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.bold,
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color: Colors.green.shade700,
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),
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textAlign: TextAlign.right,
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),
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),
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],
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),
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// Show special badge for first and last month
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if (isEarlyMonth || isLastMonth) ...[
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SizedBox(height: 4.h),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 6.w, vertical: 2.h),
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decoration: BoxDecoration(
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color: isLastMonth
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? Colors.purple.shade200
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: Colors.green.shade200,
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borderRadius: BorderRadius.circular(6.r),
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),
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child: Text(
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isLastMonth ? 'Last' : 'Early Adv.',
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style: TextStyle(
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fontSize: 9.sp,
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fontWeight: FontWeight.w600,
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color: isLastMonth
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? Colors.purple.shade900
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: Colors.green.shade900,
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),
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overflow: TextOverflow.ellipsis,
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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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double _calculateChitWinAmount(int month) {
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// Calculate chit win amount based on month
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// Formula: Total Value - Total Commission
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// This is the pool amount that winner receives
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final totalCommission = commission * durationMonths;
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final chitWinAmount = totalValue - totalCommission;
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// Winner receives the full chit value minus commission
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return chitWinAmount;
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}
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Widget _buildEmptyState() {
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return Container(
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padding: EdgeInsets.all(20.w),
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decoration: BoxDecoration(
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color: Colors.orange.shade50,
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(color: Colors.orange.shade200),
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),
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child: Row(
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children: [
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Icon(Icons.info_outline, color: Colors.orange.shade600, size: 24.w),
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SizedBox(width: 12.w),
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Expanded(
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child: Text(
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'Enter chitfund details above to see the month-wise payment schedule',
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.orange.shade700,
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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 _buildSummaryFooter() {
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final totalCollection = monthlyInstallment * durationMonths;
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final totalCommission = commission * durationMonths;
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final netDistribution = totalValue;
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return Container(
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padding: EdgeInsets.all(12.w),
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decoration: BoxDecoration(
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color: Colors.blue.shade50,
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(color: Colors.blue.shade200),
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),
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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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Icon(Icons.summarize_rounded, color: Colors.blue.shade700, size: 16.w),
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SizedBox(width: 6.w),
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Text(
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'Summary',
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style: TextStyle(
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fontSize: 13.sp,
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fontWeight: FontWeight.bold,
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color: Colors.blue.shade800,
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),
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),
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],
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),
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SizedBox(height: 10.h),
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_buildSummaryRow('Total Collected', '₹${totalCollection.toStringAsFixed(0)}'),
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_buildSummaryRow('Commission', '₹${totalCommission.toStringAsFixed(0)}'),
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_buildSummaryRow('Distributed', '₹${netDistribution.toStringAsFixed(0)}'),
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Divider(height: 12.h, color: Colors.blue.shade300),
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_buildSummaryRow(
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'Per Month',
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'₹${subscriptionAmount.toStringAsFixed(0)}',
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isHighlight: true,
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),
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],
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),
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);
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}
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double get subscriptionAmount => totalValue / durationMonths;
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Widget _buildSummaryRow(String label, String value, {bool isHighlight = false}) {
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return Padding(
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padding: EdgeInsets.symmetric(vertical: 3.h),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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flex: 3,
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child: 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.grey.shade700,
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fontWeight: isHighlight ? FontWeight.w600 : FontWeight.normal,
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),
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overflow: TextOverflow.ellipsis,
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),
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),
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Expanded(
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flex: 2,
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child: Text(
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value,
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.w600,
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color: isHighlight ? Colors.blue.shade800 : Colors.grey.shade800,
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),
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textAlign: TextAlign.right,
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overflow: TextOverflow.ellipsis,
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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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/// Expandable monthly schedule widget
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class ExpandableMonthlySchedule extends StatefulWidget {
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final double totalValue;
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final int durationMonths;
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final double monthlyInstallment;
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final double commission;
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final double maxDividend;
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const ExpandableMonthlySchedule({
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super.key,
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required this.totalValue,
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required this.durationMonths,
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required this.monthlyInstallment,
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required this.commission,
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required this.maxDividend,
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});
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@override
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State<ExpandableMonthlySchedule> createState() => _ExpandableMonthlyScheduleState();
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}
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class _ExpandableMonthlyScheduleState extends State<ExpandableMonthlySchedule> {
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bool _isExpanded = false;
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@override
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Widget build(BuildContext context) {
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12.r),
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),
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child: Column(
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children: [
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// Header (always visible)
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InkWell(
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onTap: () {
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if (widget.totalValue > 0 && widget.durationMonths > 0) {
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setState(() => _isExpanded = !_isExpanded);
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}
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},
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borderRadius: BorderRadius.circular(12.r),
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child: Padding(
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padding: EdgeInsets.all(16.w),
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child: Row(
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children: [
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Container(
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padding: EdgeInsets.all(10.w),
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decoration: BoxDecoration(
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color: Colors.blue.shade50,
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borderRadius: BorderRadius.circular(10.r),
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),
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child: Icon(
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Icons.event_note_rounded,
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color: Colors.blue.shade600,
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size: 24.w,
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),
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),
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SizedBox(width: 12.w),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Monthly Payment Schedule',
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.bold,
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color: Colors.grey.shade800,
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),
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),
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SizedBox(height: 2.h),
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Text(
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widget.totalValue > 0 && widget.durationMonths > 0
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? 'Tap to ${_isExpanded ? 'hide' : 'view'} all ${widget.durationMonths} months'
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: 'Enter details above to preview',
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style: TextStyle(
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fontSize: 13.sp,
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color: Colors.grey.shade600,
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),
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),
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],
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),
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),
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if (widget.totalValue > 0 && widget.durationMonths > 0)
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Icon(
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_isExpanded ? Icons.expand_less : Icons.expand_more,
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color: Colors.grey.shade600,
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size: 24.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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// Expandable content
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if (_isExpanded)
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 12.w, vertical: 12.h),
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child: MonthlyScheduleTable(
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totalValue: widget.totalValue,
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durationMonths: widget.durationMonths,
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monthlyInstallment: widget.monthlyInstallment,
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commission: widget.commission,
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maxDividend: widget.maxDividend,
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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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/// Compact monthly schedule preview (first 3 and last 2 months)
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class CompactMonthlySchedule extends StatelessWidget {
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final double totalValue;
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final int durationMonths;
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final double monthlyInstallment;
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final double commission;
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const CompactMonthlySchedule({
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super.key,
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required this.totalValue,
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required this.durationMonths,
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required this.monthlyInstallment,
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required this.commission,
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});
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@override
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Widget build(BuildContext context) {
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if (totalValue <= 0 || durationMonths <= 0) {
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return const SizedBox.shrink();
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}
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final subscriptionAmount = totalValue / durationMonths;
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final chitWinBase = totalValue - (commission * durationMonths);
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return Container(
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padding: EdgeInsets.all(16.w),
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decoration: BoxDecoration(
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color: Colors.grey.shade50,
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(color: Colors.grey.shade200),
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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(
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'Payment Schedule Preview',
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style: TextStyle(
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fontSize: 14.sp,
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fontWeight: FontWeight.w600,
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color: Colors.grey.shade800,
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),
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),
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SizedBox(height: 12.h),
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// Table header
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Row(
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children: [
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SizedBox(
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width: 60.w,
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child: Text(
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'Month',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.bold,
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color: Colors.grey.shade700,
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),
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),
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),
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Expanded(
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child: Text(
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'Payment',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.bold,
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color: Colors.grey.shade700,
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),
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textAlign: TextAlign.right,
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),
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),
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SizedBox(width: 12.w),
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Expanded(
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child: Text(
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'Win Amount',
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style: TextStyle(
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fontSize: 12.sp,
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fontWeight: FontWeight.bold,
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color: Colors.grey.shade700,
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),
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textAlign: TextAlign.right,
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),
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),
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],
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),
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Divider(height: 12.h, color: Colors.grey.shade300),
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// Show first 3 months
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..._buildCompactRows([1, 2, 3], subscriptionAmount, chitWinBase),
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// Show separator if more months
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if (durationMonths > 5) ...[
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Padding(
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padding: EdgeInsets.symmetric(vertical: 8.h),
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child: Center(
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child: Text(
|
|
'... ${durationMonths - 5} more months ...',
|
|
style: TextStyle(
|
|
fontSize: 11.sp,
|
|
color: Colors.grey.shade500,
|
|
fontStyle: FontStyle.italic,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
|
|
// Show last 2 months
|
|
if (durationMonths > 3)
|
|
..._buildCompactRows(
|
|
[durationMonths - 1, durationMonths],
|
|
subscriptionAmount,
|
|
chitWinBase,
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
List<Widget> _buildCompactRows(List<int> months, double subscription, double chitWinAmount) {
|
|
return months.map((month) {
|
|
if (month > durationMonths) return const SizedBox.shrink();
|
|
|
|
return Padding(
|
|
padding: EdgeInsets.symmetric(vertical: 4.h),
|
|
child: Row(
|
|
children: [
|
|
SizedBox(
|
|
width: 60.w,
|
|
child: Text(
|
|
'$month',
|
|
style: TextStyle(
|
|
fontSize: 13.sp,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.grey.shade800,
|
|
),
|
|
),
|
|
),
|
|
Expanded(
|
|
child: Text(
|
|
'₹${monthlyInstallment.toStringAsFixed(0)}',
|
|
style: TextStyle(
|
|
fontSize: 13.sp,
|
|
color: Colors.grey.shade700,
|
|
),
|
|
textAlign: TextAlign.right,
|
|
),
|
|
),
|
|
SizedBox(width: 12.w),
|
|
Expanded(
|
|
child: Text(
|
|
'₹${chitWinAmount.toStringAsFixed(0)}',
|
|
style: TextStyle(
|
|
fontSize: 13.sp,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.green.shade700,
|
|
),
|
|
textAlign: TextAlign.right,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}).toList();
|
|
}
|
|
}
|
|
|