Velar/Frontend/lib/support/add.dart

616 lines
22 KiB
Dart

// ignore_for_file: use_build_context_synchronously, deprecated_member_use
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;
import 'package:monarch/other_pages/colors.dart';
import 'package:monarch/other_pages/enviroment.dart';
import 'package:monarch/main_pages/Statistics/statistics.dart';
import 'package:shared_preferences/shared_preferences.dart';
class AddExpenseScreen extends StatefulWidget {
const AddExpenseScreen({super.key});
@override
State<AddExpenseScreen> createState() => _AddExpenseScreenState();
}
class _AddExpenseScreenState extends State<AddExpenseScreen>
with TickerProviderStateMixin {
final TextEditingController descriptionController = TextEditingController();
final TextEditingController amountController = TextEditingController();
final FocusNode _nameFocus = FocusNode();
final FocusNode _amountFocus = FocusNode();
late AnimationController _slideController;
late AnimationController _fadeController;
late Animation<Offset> _slideAnimation;
late Animation<double> _fadeAnimation;
bool _isNameFocused = false;
String _displayAmount = '';
@override
void initState() {
super.initState();
_slideController = AnimationController(
duration: const Duration(milliseconds: 600),
vsync: this,
);
_fadeController = AnimationController(
duration: const Duration(milliseconds: 800),
vsync: this,
);
_slideAnimation = Tween<Offset>(
begin: const Offset(0, 1),
end: Offset.zero,
).animate(
CurvedAnimation(parent: _slideController, curve: Curves.easeOutCubic),
);
_fadeAnimation = Tween<double>(
begin: 0.0,
end: 1.0,
).animate(CurvedAnimation(parent: _fadeController, curve: Curves.easeOut));
_nameFocus.addListener(() {
setState(() {
_isNameFocused = _nameFocus.hasFocus;
});
});
_amountFocus.addListener(() {
setState(() {});
});
// Start animations
_slideController.forward();
_fadeController.forward();
}
@override
void dispose() {
_slideController.dispose();
_fadeController.dispose();
descriptionController.dispose();
amountController.dispose();
_nameFocus.dispose();
_amountFocus.dispose();
super.dispose();
}
void _onAmountChanged(String value) {
if (value.isEmpty) {
setState(() {
_displayAmount = '';
});
return;
}
// Remove any non-digit characters except decimal point
String cleanValue = value.replaceAll(RegExp(r'[^\d.]'), '');
// Ensure only one decimal point
List<String> parts = cleanValue.split('.');
if (parts.length > 2) {
cleanValue =
'₹{parts[0]}.₹{parts.sublist(1).join('
')}';
}
if (cleanValue.isNotEmpty) {
double? amount = double.tryParse(cleanValue);
if (amount != null) {
setState(() {
_displayAmount = '${amount.toStringAsFixed(2)}';
});
}
}
}
Widget _buildKeypadButton(
String text, {
bool isSpecial = false,
double buttonHeight = 60,
}) {
return GestureDetector(
onTap: () {
HapticFeedback.lightImpact();
if (text == '') {
if (amountController.text.isNotEmpty) {
amountController.text = amountController.text.substring(
0,
amountController.text.length - 1,
);
_onAmountChanged(amountController.text);
}
} else if (text == '.') {
if (!amountController.text.contains('.')) {
amountController.text += text;
_onAmountChanged(amountController.text);
}
} else {
amountController.text += text;
_onAmountChanged(amountController.text);
}
},
child: Container(
height: buttonHeight,
decoration: BoxDecoration(
color: isSpecial ? surfaceColor : cardColor,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: isSpecial ? textSecondary.withOpacity(0.2) : surfaceColor,
width: 1,
),
boxShadow: [
BoxShadow(
color: primaryColor.withOpacity(0.08),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Center(
child: Text(
text,
style: GoogleFonts.inter(
fontSize: 24,
fontWeight: FontWeight.w600,
color: isSpecial ? textSecondary : primaryColor,
),
),
),
),
);
}
Future<void> addTransaction() async {
// Validation
if (descriptionController.text.trim().isEmpty ||
amountController.text.trim().isEmpty) {
_showCustomSnackBar(
message: 'Please fill in both name and amount',
icon: Icons.warning_rounded,
backgroundColor: const Color(0xFFFF6B6B),
iconColor: Colors.white,
);
return;
}
// Show loading dialog
showDialog(
context: context,
barrierDismissible: false,
builder:
(_) => Center(
child: Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: cardColor,
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: primaryColor.withOpacity(0.1),
blurRadius: 20,
offset: const Offset(0, 8),
),
],
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(accentColor),
strokeWidth: 3,
),
const SizedBox(height: 16),
Text(
'Processing transaction...',
style: GoogleFonts.inter(
fontSize: 16,
fontWeight: FontWeight.w500,
color: primaryColor,
),
),
],
),
),
),
);
try {
// 🔹 Get stored userId
final prefs = await SharedPreferences.getInstance();
final userId = prefs.getString('userId');
if (userId == null) {
Navigator.of(context).pop();
_showCustomSnackBar(
message: 'User not logged in — please log in again',
icon: Icons.error_rounded,
backgroundColor: const Color(0xFFFF6B6B),
iconColor: Colors.white,
);
return;
}
// Send POST request including userId
final response = await http.post(
Uri.parse('${Environment.baseUrl}/api/transaction/add'),
headers: {'Content-Type': 'application/json'},
body: json.encode({
'description': descriptionController.text,
'amount': double.tryParse(amountController.text),
'userId': userId, // ✅ add user ID here
}),
);
Navigator.of(context).pop(); // Close loading dialog
if (response.statusCode == 200) {
final responseData = json.decode(response.body);
final predictedCategory = responseData['data']['category'];
descriptionController.clear();
amountController.clear();
setState(() => _displayAmount = '');
_showCustomSnackBar(
message:
'Transaction added successfully!\nCategorized as: $predictedCategory',
icon: Icons.check_circle_rounded,
backgroundColor: accentColor,
iconColor: Colors.white,
duration: const Duration(seconds: 2),
);
// Optionally refresh statistics screen
Future.delayed(const Duration(milliseconds: 1500), () {
if (mounted) Navigator.of(context).pop();
});
} else {
_showCustomSnackBar(
message: 'Failed to add transaction\nPlease try again',
icon: Icons.error_rounded,
backgroundColor: const Color(0xFFFF6B6B),
iconColor: Colors.white,
);
}
} catch (e) {
Navigator.of(context).pop();
_showCustomSnackBar(
message: 'Network error occurred\nPlease check your connection',
icon: Icons.wifi_off_rounded,
backgroundColor: const Color(0xFFFF9F43),
iconColor: Colors.white,
);
}
}
void _showCustomSnackBar({
required String message,
required IconData icon,
required Color backgroundColor,
required Color iconColor,
Duration duration = const Duration(seconds: 3),
}) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Container(
padding: const EdgeInsets.symmetric(vertical: 4),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(8),
),
child: Icon(icon, color: iconColor, size: 20),
),
const SizedBox(width: 12),
Expanded(
child: Text(
message,
style: GoogleFonts.inter(
fontWeight: FontWeight.w500,
color: Colors.white,
fontSize: 14,
height: 1.4,
),
),
),
],
),
),
backgroundColor: backgroundColor,
behavior: SnackBarBehavior.floating,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
margin: const EdgeInsets.all(16),
duration: duration,
elevation: 8,
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: primaryColor,
body: SafeArea(
child: SlideTransition(
position: _slideAnimation,
child: FadeTransition(
opacity: _fadeAnimation,
child: Column(
children: [
// Header
Padding(
padding: const EdgeInsets.all(20),
child: Row(
children: [
GestureDetector(
onTap:
() => Navigator.pushReplacement(
context,
MaterialPageRoute(
builder: (context) => Statistics(),
),
),
child: Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: primaryColor.withOpacity(0.8),
borderRadius: BorderRadius.circular(14),
border: Border.all(
color: Colors.white.withOpacity(0.1),
width: 1,
),
),
child: const Icon(
Icons.arrow_back_ios_new,
color: Colors.white,
size: 20,
),
),
),
const SizedBox(width: 16),
Text(
'Add Expense',
style: GoogleFonts.inter(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.w600,
),
),
],
),
),
// Main Content Card
Expanded(
child: Container(
margin: const EdgeInsets.only(top: 8),
decoration: BoxDecoration(
color: backgroundColor,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(32),
topRight: Radius.circular(32),
),
),
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Drag indicator
Center(
child: Container(
width: 40,
height: 4,
decoration: BoxDecoration(
color: textSecondary.withOpacity(0.3),
borderRadius: BorderRadius.circular(2),
),
),
),
const SizedBox(height: 32),
// Expense Name Section
Text(
'Expense Name',
style: GoogleFonts.inter(
fontSize: 16,
fontWeight: FontWeight.w600,
color: primaryColor,
),
),
const SizedBox(height: 12),
Container(
decoration: BoxDecoration(
color: _isNameFocused ? cardColor : surfaceColor,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color:
_isNameFocused
? accentColor
: Colors.transparent,
width: 2,
),
boxShadow:
_isNameFocused
? [
BoxShadow(
color: accentColor.withOpacity(0.1),
blurRadius: 20,
offset: const Offset(0, 4),
),
]
: [
BoxShadow(
color: primaryColor.withOpacity(0.06),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: TextField(
controller: descriptionController,
focusNode: _nameFocus,
style: GoogleFonts.inter(
fontSize: 16,
fontWeight: FontWeight.w500,
color: primaryColor,
),
decoration: InputDecoration(
hintText: 'Enter expense name',
hintStyle: GoogleFonts.inter(
color: textSecondary,
fontWeight: FontWeight.w400,
),
border: InputBorder.none,
contentPadding: const EdgeInsets.all(20),
),
),
),
const SizedBox(height: 40),
// Amount Display
Center(
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 24,
vertical: 16,
),
decoration: BoxDecoration(
color: cardColor,
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: primaryColor.withOpacity(0.08),
blurRadius: 16,
offset: const Offset(0, 4),
),
],
),
child: Text(
_displayAmount.isEmpty
? '₹0.00'
: _displayAmount,
style: GoogleFonts.inter(
fontSize: 36,
fontWeight: FontWeight.w700,
color: primaryColor,
),
),
),
),
const SizedBox(height: 20),
// Custom Keypad
Expanded(
child: LayoutBuilder(
builder: (context, constraints) {
double availableHeight = constraints.maxHeight;
double buttonHeight =
(availableHeight - 32) /
4; // 4 rows with spacing
buttonHeight = buttonHeight.clamp(
50.0,
70.0,
); // Min 50, Max 70
return GridView.builder(
physics: const NeverScrollableScrollPhysics(),
gridDelegate:
SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 3,
childAspectRatio:
constraints.maxWidth /
(buttonHeight * 3 + 32),
crossAxisSpacing: 10,
mainAxisSpacing: 10,
),
itemCount: 12,
itemBuilder: (context, index) {
List<String> keys = [
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'.',
'0',
'',
];
return _buildKeypadButton(
keys[index],
isSpecial:
keys[index] == '.' ||
keys[index] == '',
buttonHeight: buttonHeight,
);
},
);
},
),
),
const SizedBox(height: 24),
// Add Expense Button
GestureDetector(
onTap: addTransaction,
child: Container(
width: double.infinity,
height: 60,
decoration: BoxDecoration(
color: accentColor,
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: accentColor.withOpacity(0.3),
blurRadius: 20,
offset: const Offset(0, 8),
),
],
),
child: Center(
child: Text(
'Add Expense',
style: GoogleFonts.inter(
color: Colors.white,
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
),
),
),
],
),
),
),
),
],
),
),
),
),
);
}
}