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