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Anbarasu22004
2026-07-23 15:36:11 +05:30
parent 1197cfc161
commit 14fffa40c6
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import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
// ─────────────────────────────────────────────
// CONFIG — change IP to your Mac's local IP
// Run: ipconfig getifaddr en0
// ─────────────────────────────────────────────
const String kBaseUrl = 'http://192.168.1.XXX:8000';
const int kCustomerId = 6060;
const double kLatitude = 11.0168;
const double kLongitude = 76.9558;
// ─────────────────────────────────────────────
// API SERVICE
// ─────────────────────────────────────────────
class AgentService {
static Future<Map<String, dynamic>> findIngredients(String userInput) async {
final res = await http.post(
Uri.parse('$kBaseUrl/find-ingredients'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'user_input': userInput,
'customer_id': kCustomerId,
'latitude': kLatitude,
'longitude': kLongitude,
}),
);
return jsonDecode(res.body);
}
static Future<Map<String, dynamic>> chat(
String message,
List conversationHistory,
) async {
final res = await http.post(
Uri.parse('$kBaseUrl/chat'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'message': message,
'customer_id': kCustomerId,
'latitude': kLatitude,
'longitude': kLongitude,
'conversation_history': conversationHistory,
}),
);
return jsonDecode(res.body);
}
static Future<Map<String, dynamic>> clarify(
String originalInput,
String clarification,
) async {
final res = await http.post(
Uri.parse('$kBaseUrl/clarify'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'original_input': originalInput,
'clarification': clarification,
'customer_id': kCustomerId,
'latitude': kLatitude,
'longitude': kLongitude,
}),
);
return jsonDecode(res.body);
}
}
// ─────────────────────────────────────────────
// SEARCH SCREEN
// ─────────────────────────────────────────────
class SearchScreen extends StatefulWidget {
const SearchScreen({super.key});
@override
State<SearchScreen> createState() => _SearchScreenState();
}
class _SearchScreenState extends State<SearchScreen> {
final TextEditingController _searchController = TextEditingController();
final FocusNode _focusNode = FocusNode();
bool _isLoading = false;
String? _agentMessage;
String? _clarificationQuestion;
String? _lastInput;
List _ingredients = [];
List _stores = [];
// Quick suggestion chips
final List<String> _suggestions = [
'🍓 Strawberry',
'🍗 Biryani',
'🤒 Fever medicine',
'🍳 Cook sambar',
'🥛 Milk',
'😴 Bored snacks',
];
// ── Search via /find-ingredients ──────────────────────────
Future<void> _search(String input) async {
if (input.trim().isEmpty) return;
FocusScope.of(context).unfocus();
setState(() {
_isLoading = true;
_agentMessage = null;
_clarificationQuestion = null;
_stores = [];
_ingredients = [];
_lastInput = input;
});
try {
final result = await AgentService.findIngredients(input);
if (result['status'] == 'needs_clarification') {
setState(() {
_clarificationQuestion = result['question'];
_isLoading = false;
});
return;
}
setState(() {
_agentMessage = result['agent_message'];
_ingredients = result['ingredients_needed'] ?? [];
_stores = result['stores'] ?? [];
_isLoading = false;
});
} catch (e) {
setState(() {
_agentMessage = 'Something went wrong. Please try again.';
_isLoading = false;
});
}
}
// ── Answer agent clarification ────────────────────────────
Future<void> _answerClarification(String answer) async {
setState(() {
_clarificationQuestion = null;
_isLoading = true;
});
try {
final result = await AgentService.clarify(_lastInput ?? '', answer);
setState(() {
_agentMessage = result['agent_message'];
_ingredients = result['ingredients_needed'] ?? [];
_stores = result['stores'] ?? [];
_isLoading = false;
});
} catch (e) {
setState(() {
_agentMessage = 'Something went wrong.';
_isLoading = false;
});
}
}
// ─────────────────────────────────────────────────────────
// BUILD
// ─────────────────────────────────────────────────────────
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFF5F5F5),
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
title: const Text(
'Nearle',
style: TextStyle(
color: Color(0xFF1A1A1A),
fontWeight: FontWeight.bold,
fontSize: 20,
),
),
centerTitle: false,
),
body: Column(
children: [
// ── Search Bar ──────────────────────────────────
Container(
color: Colors.white,
padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
child: Row(
children: [
Expanded(
child: TextField(
controller: _searchController,
focusNode: _focusNode,
onSubmitted: _search,
decoration: InputDecoration(
hintText: 'Search or ask anything...',
hintStyle: TextStyle(color: Colors.grey[400]),
prefixIcon: const Icon(Icons.search, color: Color(0xFF6C63FF)),
filled: true,
fillColor: const Color(0xFFF0EFFF),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(vertical: 14),
),
),
),
const SizedBox(width: 10),
GestureDetector(
onTap: () => _search(_searchController.text),
child: Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: const Color(0xFF6C63FF),
borderRadius: BorderRadius.circular(12),
),
child: const Icon(Icons.arrow_forward, color: Colors.white, size: 20),
),
),
],
),
),
// ── Suggestion Chips ────────────────────────────
if (_stores.isEmpty && !_isLoading && _clarificationQuestion == null)
SizedBox(
height: 48,
child: ListView.separated(
scrollDirection: Axis.horizontal,
padding: const EdgeInsets.symmetric(horizontal: 16),
itemCount: _suggestions.length,
separatorBuilder: (_, __) => const SizedBox(width: 8),
itemBuilder: (context, i) {
return GestureDetector(
onTap: () {
final text = _suggestions[i].replaceAll(RegExp(r'[^\w\s]'), '').trim();
_searchController.text = text;
_search(text);
},
child: Chip(
label: Text(
_suggestions[i],
style: const TextStyle(fontSize: 13),
),
backgroundColor: Colors.white,
side: const BorderSide(color: Color(0xFFE0E0E0)),
),
);
},
),
),
const SizedBox(height: 8),
// ── Body ────────────────────────────────────────
Expanded(
child: _isLoading
? const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
CircularProgressIndicator(color: Color(0xFF6C63FF)),
SizedBox(height: 16),
Text('Anna is finding the best deals...', style: TextStyle(color: Colors.grey)),
],
),
)
: _clarificationQuestion != null
? _buildClarification()
: _stores.isEmpty
? _buildEmpty()
: _buildResults(),
),
],
),
);
}
// ── Clarification UI ──────────────────────────────────────
Widget _buildClarification() {
final answerController = TextEditingController();
return Padding(
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0xFFEDE9FF),
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
const Text('🤔', style: TextStyle(fontSize: 24)),
const SizedBox(width: 12),
Expanded(
child: Text(
_clarificationQuestion!,
style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
),
),
],
),
),
const SizedBox(height: 16),
TextField(
controller: answerController,
decoration: InputDecoration(
hintText: 'Type your answer...',
filled: true,
fillColor: Colors.white,
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide.none),
),
onSubmitted: _answerClarification,
),
const SizedBox(height: 12),
SizedBox(
width: double.infinity,
child: ElevatedButton(
onPressed: () => _answerClarification(answerController.text),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF6C63FF),
padding: const EdgeInsets.symmetric(vertical: 14),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
),
child: const Text('Send', style: TextStyle(color: Colors.white, fontSize: 16)),
),
),
],
),
);
}
// ── Empty State ───────────────────────────────────────────
Widget _buildEmpty() {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text('🛒', style: TextStyle(fontSize: 60)),
const SizedBox(height: 16),
Text(
_agentMessage ?? 'Search for anything\nfrom nearby stores',
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 16, color: Colors.grey),
),
],
),
);
}
// ── Results ───────────────────────────────────────────────
Widget _buildResults() {
return ListView(
padding: const EdgeInsets.all(16),
children: [
// Agent message
if (_agentMessage != null)
Container(
margin: const EdgeInsets.only(bottom: 16),
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: const Color(0xFFEDE9FF),
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
const Text('✨', style: TextStyle(fontSize: 20)),
const SizedBox(width: 10),
Expanded(child: Text(_agentMessage!, style: const TextStyle(fontSize: 14))),
],
),
),
// Store cards
..._stores.map((storeData) => _StoreCard(storeData: storeData)),
],
);
}
}
// ─────────────────────────────────────────────
// STORE CARD WIDGET
// ─────────────────────────────────────────────
class _StoreCard extends StatelessWidget {
final Map storeData;
const _StoreCard({required this.storeData});
@override
Widget build(BuildContext context) {
final store = storeData['store'] as Map;
final products = storeData['matched_products'] as List;
final savings = store['total_savings'] ?? 0;
final total = store['total_discounted_price'] ?? 0;
final hasOffers = store['has_offers'] == true;
return Container(
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
boxShadow: [BoxShadow(color: Colors.black.withOpacity(0.05), blurRadius: 10, offset: const Offset(0, 2))],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Store header
Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: const Color(0xFFF0EFFF),
borderRadius: BorderRadius.circular(10),
),
child: const Icon(Icons.store, color: Color(0xFF6C63FF), size: 20),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
store['tenantname'] ?? '',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 15),
),
Text(
store['locationname'] ?? '',
style: const TextStyle(color: Colors.grey, fontSize: 13),
),
],
),
),
if (hasOffers)
Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
decoration: BoxDecoration(
color: const Color(0xFFE8F5E9),
borderRadius: BorderRadius.circular(20),
),
child: Text(
'Save ₹${savings.toStringAsFixed(0)}',
style: const TextStyle(color: Color(0xFF2E7D32), fontWeight: FontWeight.bold, fontSize: 12),
),
),
],
),
),
const Divider(height: 1),
// Products
...products.map((m) => _ProductRow(matched: m)),
const Divider(height: 1),
// Total + Order button
Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Total', style: TextStyle(color: Colors.grey, fontSize: 12)),
Text(
'₹${total.toStringAsFixed(2)}',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 18, color: Color(0xFF1A1A1A)),
),
],
),
const Spacer(),
ElevatedButton(
onPressed: () {},
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF6C63FF),
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
),
child: const Text('Order Now', style: TextStyle(color: Colors.white)),
),
],
),
),
],
),
);
}
}
// ─────────────────────────────────────────────
// PRODUCT ROW WIDGET
// ─────────────────────────────────────────────
class _ProductRow extends StatelessWidget {
final Map matched;
const _ProductRow({required this.matched});
@override
Widget build(BuildContext context) {
final product = matched['product'] as Map;
final emoji = matched['emoji'] ?? '🛒';
final name = product['productname'] ?? matched['ingredient'] ?? '';
final price = product['discounted_price'] ?? 0;
final original = product['original_price'] ?? 0;
final hasOffer = product['has_offer'] == true;
final discount = product['discount_percent'] ?? 0;
final quantity = matched['quantity'] ?? '';
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
child: Row(
children: [
Text(emoji, style: const TextStyle(fontSize: 24)),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(name, style: const TextStyle(fontWeight: FontWeight.w600, fontSize: 14)),
Text(quantity, style: const TextStyle(color: Colors.grey, fontSize: 12)),
],
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
'₹${price.toStringAsFixed(2)}',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 14, color: Color(0xFF1A1A1A)),
),
if (hasOffer)
Row(
children: [
Text(
'₹${original.toStringAsFixed(0)}',
style: const TextStyle(
color: Colors.grey,
fontSize: 11,
decoration: TextDecoration.lineThrough,
),
),
const SizedBox(width: 4),
Text(
'$discount% off',
style: const TextStyle(color: Color(0xFF2E7D32), fontSize: 11, fontWeight: FontWeight.bold),
),
],
),
],
),
],
),
);
}
}