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서버 연결 ã…코드 작성ì중

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임지은
2026-06-19 15:39:15 +09:00
parent f899d52f66
commit 989910a3ff
6 changed files with 1010 additions and 885 deletions
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892
lib/main.dart
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@@ -1,5 +1,5 @@
import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';
import 'screens/chat_screen.dart';
void main() {
runApp(const SmartGardenApp());
@@ -12,890 +12,12 @@ class SmartGardenApp extends StatelessWidget {
Widget build(BuildContext context) {
return MaterialApp(
title: 'Smart Garden',
theme: ThemeData(primarySwatch: Colors.green, useMaterial3: true),
home: const SmartGardenScreen(),
theme: ThemeData(
primarySwatch: Colors.green,
useMaterial3: true,
),
home: const ChatScreen(),
debugShowCheckedModeBanner: false,
);
}
}
class ChatMessage {
final String text;
final bool isUser;
final DateTime timestamp;
ChatMessage({
required this.text,
required this.isUser,
required this.timestamp,
});
}
class SmartGardenScreen extends StatefulWidget {
const SmartGardenScreen({Key? key}) : super(key: key);
@override
State<SmartGardenScreen> createState() => _SmartGardenScreenState();
}
class _SmartGardenScreenState extends State<SmartGardenScreen> {
final TextEditingController _textController = TextEditingController();
final List<ChatMessage> _messages = [];
final ScrollController _scrollController = ScrollController();
late VideoPlayerController _videoController;
bool _isVideoInitialized = false;
@override
void initState() {
super.initState();
_initializeVideo();
_addInitialMessage();
}
void _initializeVideo() {
_videoController =
VideoPlayerController.asset('assets/videos/basic_img.mp4')
..initialize()
.then((_) {
_videoController.setLooping(true);
_videoController.setVolume(0.0);
_videoController.play();
setState(() {
_isVideoInitialized = true;
});
})
.catchError((error) {
print('비디오 로드 오류: $error');
});
}
void _addInitialMessage() {
setState(() {
_messages.add(
ChatMessage(
text: '상태 분석이 완료되었습니다.\n무엇을 도와드릴까요?',
isUser: false,
timestamp: DateTime.now(),
),
);
});
}
void _sendMessage(String text) {
if (text.isEmpty) return;
// 사용자 메시지 추가
setState(() {
_messages.add(
ChatMessage(text: text, isUser: true, timestamp: DateTime.now()),
);
});
_textController.clear();
_scrollToBottom();
// 봇 응답 (0.5초 딜레이)
Future.delayed(const Duration(milliseconds: 500), () {
setState(() {
_messages.add(
ChatMessage(
text: '안녕하세요 스마트가든 AI 가이드 푸미입니다',
isUser: false,
timestamp: DateTime.now(),
),
);
});
_scrollToBottom();
});
}
void _scrollToBottom() {
Future.delayed(const Duration(milliseconds: 100), () {
_scrollController.animateTo(
_scrollController.position.maxScrollExtent,
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
);
});
}
void _sendQuickQuestion(String question) {
_textController.text = question;
_sendMessage(question);
}
@override
void dispose() {
_textController.dispose();
_scrollController.dispose();
_videoController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.transparent,
body: Stack(
children: [
Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/images/background1.png'),
fit: BoxFit.cover,
),
),
child: Center(
child: Container(
margin: const EdgeInsets.all(40), // 메인 컨테이너 여백 조정
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.8), // 투명도 넣기
borderRadius: BorderRadius.circular(16), // 모서리 둥글게
border: Border.all(color: Color(0xFFE0E0E0), width: 1),
),
child: Row(
children: [
// 좌측 캐릭터 영역 (60%)
Expanded(
flex: 6,
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 1,
),
),
child: Column(
children: [
// 헤더
Padding(
padding: const EdgeInsets.all(30),
child: Row(
children: [
Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
borderRadius: BorderRadius.circular(12),
),
child: const Center(
child: Text(
'🌱',
style: TextStyle(fontSize: 28),
),
),
),
const SizedBox(width: 16),
Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
const Text(
'Smart Garden',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
),
Text(
'스마트가든 챗봇',
style: TextStyle(
fontSize: 16,
color: Color(0xFF757575),
),
),
],
),
],
),
),
// 캐릭터 영역
Expanded(
child: Container(
margin: const EdgeInsets.symmetric(
horizontal: 20,
),
decoration: BoxDecoration(
color: Color(0xFFF5F5F5),
borderRadius: BorderRadius.circular(12),
),
child: _isVideoInitialized
? ClipRRect(
borderRadius: BorderRadius.circular(12),
child: AspectRatio(
aspectRatio: _videoController
.value
.aspectRatio,
child: VideoPlayer(_videoController),
),
)
: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 180,
height: 180,
decoration: BoxDecoration(
color: Color(0xFFF1F8E9),
borderRadius:
BorderRadius.circular(12),
border: Border.all(
color: Color(0xFFC8E6C9),
width: 1,
),
),
child: const Center(
child: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
CircularProgressIndicator(
color: Color(0xFF81C784),
),
SizedBox(height: 20),
Text(
'비디오 로딩 중...',
style: TextStyle(
fontSize: 12,
color: Color(0xFF757575),
),
),
],
),
),
),
],
),
),
),
const SizedBox(height: 40),
// 캐릭터 정보 + 설명 문구
Padding(
padding: const EdgeInsets.only(
left: 30,
bottom: 30,
right: 30,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 푸미 정보
Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
// ← 연한 초록 배경 추가
borderRadius: BorderRadius.circular(
24,
),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(
24,
),
child: Image.asset(
'assets/images/profile.png',
fit: BoxFit.cover,
),
),
),
const SizedBox(width: 12),
Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
const Text(
'푸미',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
),
Text(
'스마트가든 AI 가이드',
style: TextStyle(
fontSize: 14,
color: Color(0xFF757575),
),
),
],
),
],
),
const SizedBox(height: 16),
// 설명 문구 (반응형)
Container(
width: double.infinity, // ← 추가: 양쪽 꽉차게
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Color(0xFFF1F8E9),
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFC8E6C9),
width: 1,
),
),
child: const Text(
'안녕하세요!\n스마트가든의 식물들이 건강하게 자랄 수 있도록 도와드릴게요.\n궁금한 점을 언제든 물어보세요!',
style: TextStyle(
fontSize: 13,
color: Color(0xFF558B2F),
height: 1.6,
),
),
),
],
),
),
],
),
),
),
// 우측 채팅 영역 (40%)
Expanded(
flex: 4,
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Color(0xFFFAFAFA),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 1,
),
),
child: Column(
children: [
// 헤더
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(),
child: Row(
children: [
const Icon(
Icons.eco,
color: Color(0xFF81C784),
size: 24,
),
const SizedBox(width: 12),
const Text(
'푸미 일지',
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
textAlign: TextAlign.left,
),
],
),
),
// 채팅 메시지 영역
Expanded(
child: Container(
margin: const EdgeInsets.symmetric(
horizontal: 16,
),
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage(
'assets/images/chat_img.png',
),
// ← 배경 이미지 추가
fit: BoxFit.cover,
colorFilter: ColorFilter.mode(
Colors.white.withOpacity(0.9),
// 채팅 배경 이미지 투명도 조정
BlendMode.lighten,
),
),
color: Colors.white.withOpacity(0.5),
// 채팅창 투명도
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 0.5,
),
),
child: ListView.builder(
controller: _scrollController,
padding: const EdgeInsets.all(16),
itemCount: _messages.length,
itemBuilder: (context, index) {
final message = _messages[index];
return _ChatBubble(message: message);
},
),
),
),
// 자주하는 질문 버튼들을 감싸는 컨테이너
Container(
margin: const EdgeInsets.fromLTRB(16, 12, 16, 12),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Color(0xFFC8E6C9).withOpacity(0.3), // 배경
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
// 온도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFF1976D2,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('현재 온도는?'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.thermostat,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'온도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 습도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFF388E3C,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('현재 습도는?'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.water_drop,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'습도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 물 주기
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFFFFA000,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('물을 주세요'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.waves,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'물 주기',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
],
),
),
// 입력 필드 + 전송 버튼 (같은 줄)
Padding(
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
child: Row(
children: [
// 입력 필드
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 0.5,
),
),
child: TextField(
controller: _textController,
onSubmitted: (value) {
_sendMessage(
_textController.text,
); // 엔터로 전송
},
decoration: InputDecoration(
hintText: '메시지를 입력하세요...',
hintStyle: TextStyle(
fontSize: 20,
color: Color(0xFF9E9E9E),
),
border: InputBorder.none,
contentPadding:
const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
style: const TextStyle(fontSize: 20),
maxLines: 1,
),
),
),
const SizedBox(width: 12),
// 전송 버튼
SizedBox(
height: 48,
width: 60,
child: ElevatedButton(
onPressed: () {
_sendMessage(_textController.text);
},
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF81C784),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(
8,
),
),
padding: EdgeInsets.zero,
),
child: const Text(
'전송',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
),
],
),
),
],
),
),
),
],
),
),
),
),
// Layer 이미지 (화면 전체, 클릭 불가)
IgnorePointer(
child: Image.asset(
'assets/images/layer_img1.png',
fit: BoxFit.cover,
width: double.infinity,
height: double.infinity,
),
),
],
),
);
}
}
class _ChatBubble extends StatelessWidget {
final ChatMessage message;
const _ChatBubble({required this.message});
String _formatTime(DateTime dateTime) {
final hour = dateTime.hour;
final minute = dateTime.minute;
final period = hour >= 12 ? '오후' : '오전';
final displayHour = hour > 12 ? hour - 12 : (hour == 0 ? 12 : hour);
return '$period ${displayHour.toString().padLeft(2, '0')}:${minute.toString().padLeft(2, '0')}';
}
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 30), // 채팅창 사이 간격 여백 주기
child: Row(
mainAxisAlignment: message.isUser
? MainAxisAlignment.end
: MainAxisAlignment.start,
children: [
if (!message.isUser) ...[
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9), // ← 연한 초록 배경
borderRadius: BorderRadius.circular(20), // ← 원형 (8 → 20)
),
child: ClipRRect(
borderRadius: BorderRadius.circular(20), // ← 원형 (8 → 20)
child: Image.asset(
'assets/images/profile.png',
fit: BoxFit.cover,
),
),
),
const SizedBox(width: 10),
],
Flexible(
child: Row(
mainAxisAlignment: message.isUser
? MainAxisAlignment.end
: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
if (message.isUser)
Text(
_formatTime(message.timestamp),
style: TextStyle(fontSize: 12, color: Color(0xFF9E9E9E)),
),
if (message.isUser) const SizedBox(width: 8),
Flexible(
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
decoration: BoxDecoration(
color: message.isUser ? Color(0xFFE8F5E9) : Colors.white,
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 4,
offset: const Offset(0, 2),
),
],
),
child: SelectableText(
message.text,
style: TextStyle(
fontSize: 20,
color: message.isUser
? Color(0xFF000000)
: Color(0xFF424242),
height: 1.4,
),
),
),
),
if (!message.isUser) const SizedBox(width: 8),
if (!message.isUser)
Text(
_formatTime(message.timestamp),
style: TextStyle(fontSize: 12, color: Color(0xFF9E9E9E)),
),
],
),
),
],
),
);
}
}
class _QuickButton extends StatelessWidget {
final String emoji;
final String title;
final String subtitle;
final Color bgColor;
final Color textColor;
final VoidCallback onPressed;
const _QuickButton({
required this.emoji,
required this.title,
required this.subtitle,
required this.bgColor,
required this.textColor,
required this.onPressed,
});
@override
Widget build(BuildContext context) {
return Material(
color: Colors.transparent,
child: InkWell(
onTap: onPressed,
borderRadius: BorderRadius.circular(8),
child: Container(
decoration: BoxDecoration(
color: bgColor,
borderRadius: BorderRadius.circular(8),
border: Border.all(color: textColor.withOpacity(0.2), width: 0.5),
),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
child: Column(
children: [
Text(emoji, style: const TextStyle(fontSize: 18)),
const SizedBox(height: 4),
Text(
title,
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
color: textColor,
),
textAlign: TextAlign.center,
),
if (subtitle.isNotEmpty) ...[
const SizedBox(height: 2),
Text(
subtitle,
style: TextStyle(
fontSize: 10,
color: textColor.withOpacity(0.8),
),
textAlign: TextAlign.center,
),
],
],
),
),
),
);
}
}
}

29
lib/models/chat_message.dart Normal file
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@@ -0,0 +1,29 @@
class ChatMessage {
final String text;
final bool isUser;
final DateTime timestamp;
ChatMessage({
required this.text,
required this.isUser,
required this.timestamp,
});
// JSON에서 ChatMessage로 변환
factory ChatMessage.fromJson(Map<String, dynamic> json) {
return ChatMessage(
text: json['text'] as String,
isUser: json['isUser'] as bool,
timestamp: DateTime.parse(json['timestamp'] as String),
);
}
// ChatMessage를 JSON으로 변환
Map<String, dynamic> toJson() {
return {
'text': text,
'isUser': isUser,
'timestamp': timestamp.toIso8601String(),
};
}
}

831
lib/screens/chat_screen.dart Normal file
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@@ -0,0 +1,831 @@
import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';
import '../models/chat_message.dart';
import '../services/chat_service.dart';
class ChatScreen extends StatefulWidget {
const ChatScreen({Key? key}) : super(key: key);
@override
State<ChatScreen> createState() => _ChatScreenState();
}
class _ChatScreenState extends State<ChatScreen> {
final TextEditingController _textController = TextEditingController();
final List<ChatMessage> _messages = [];
final ScrollController _scrollController = ScrollController();
late VideoPlayerController _videoController;
bool _isVideoInitialized = false;
bool _isLoading = false;
@override
void initState() {
super.initState();
_initializeVideo();
_addInitialMessage();
}
void _initializeVideo() {
_videoController =
VideoPlayerController.asset('assets/videos/basic_img.mp4')
..initialize()
.then((_) {
_videoController.setLooping(true);
_videoController.setVolume(0.0);
_videoController.play();
setState(() {
_isVideoInitialized = true;
});
})
.catchError((error) {
print('비디오 로드 오류: $error');
});
}
void _addInitialMessage() {
setState(() {
_messages.add(
ChatMessage(
text: '상태 분석이 완료되었습니다.\n무엇을 도와드릴까요?',
isUser: false,
timestamp: DateTime.now(),
),
);
});
}
void _sendMessage(String text) async {
if (text.isEmpty) return;
// 사용자 메시지 추가
setState(() {
_messages.add(
ChatMessage(text: text, isUser: true, timestamp: DateTime.now()),
);
_isLoading = true;
});
_textController.clear();
_scrollToBottom();
// 서버로 메시지 전송
try {
final response = await ChatService.sendMessage(text);
setState(() {
_messages.add(
ChatMessage(
text: response,
isUser: false,
timestamp: DateTime.now(),
),
);
_isLoading = false;
});
_scrollToBottom();
} catch (e) {
print('메시지 전송 오류: $e');
setState(() {
_messages.add(
ChatMessage(
text: '오류가 발생했습니다. 다시 시도해주세요.',
isUser: false,
timestamp: DateTime.now(),
),
);
_isLoading = false;
});
_scrollToBottom();
}
}
void _scrollToBottom() {
Future.delayed(const Duration(milliseconds: 100), () {
_scrollController.animateTo(
_scrollController.position.maxScrollExtent,
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
);
});
}
void _sendQuickQuestion(String question) {
_textController.text = question;
_sendMessage(question);
}
@override
void dispose() {
_textController.dispose();
_scrollController.dispose();
_videoController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.transparent,
body: Stack(
children: [
Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/images/background1.png'),
fit: BoxFit.cover,
),
),
child: Center(
child: Container(
margin: const EdgeInsets.all(40), // 메인 컨테이너 여백 조정
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.8), // 투명도 넣기
borderRadius: BorderRadius.circular(16), // 모서리 둥글게
border: Border.all(color: Color(0xFFE0E0E0), width: 1),
),
child: Row(
children: [
// 좌측 캐릭터 영역 (60%)
Expanded(
flex: 6,
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 1,
),
),
child: Column(
children: [
// 헤더
Padding(
padding: const EdgeInsets.all(30),
child: Row(
children: [
Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
borderRadius: BorderRadius.circular(12),
),
child: const Center(
child: Text(
'🌱',
style: TextStyle(fontSize: 28),
),
),
),
const SizedBox(width: 16),
Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
const Text(
'Smart Garden',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
),
Text(
'스마트가든 챗봇',
style: TextStyle(
fontSize: 16,
color: Color(0xFF757575),
),
),
],
),
],
),
),
// 캐릭터 영역
Expanded(
child: Container(
margin: const EdgeInsets.symmetric(
horizontal: 20,
),
decoration: BoxDecoration(
color: Color(0xFFF5F5F5),
borderRadius: BorderRadius.circular(12),
),
child: _isVideoInitialized
? ClipRRect(
borderRadius: BorderRadius.circular(12),
child: AspectRatio(
aspectRatio: _videoController
.value
.aspectRatio,
child: VideoPlayer(_videoController),
),
)
: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 180,
height: 180,
decoration: BoxDecoration(
color: Color(0xFFF1F8E9),
borderRadius:
BorderRadius.circular(12),
border: Border.all(
color: Color(0xFFC8E6C9),
width: 1,
),
),
child: const Center(
child: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
CircularProgressIndicator(
color: Color(0xFF81C784),
),
SizedBox(height: 20),
Text(
'비디오 로딩 중...',
style: TextStyle(
fontSize: 12,
color: Color(0xFF757575),
),
),
],
),
),
),
],
),
),
),
const SizedBox(height: 40),
// 캐릭터 정보 + 설명 문구
Padding(
padding: const EdgeInsets.only(
left: 30,
bottom: 30,
right: 30,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 푸미 정보
Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
// ← 연한 초록 배경 추가
borderRadius: BorderRadius.circular(
24,
),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(
24,
),
child: Image.asset(
'assets/images/profile.png',
fit: BoxFit.cover,
),
),
),
const SizedBox(width: 12),
Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
const Text(
'푸미',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
),
Text(
'스마트가든 AI 가이드',
style: TextStyle(
fontSize: 14,
color: Color(0xFF757575),
),
),
],
),
],
),
const SizedBox(height: 16),
// 설명 문구 (반응형)
Container(
width: double.infinity, // ← 추가: 양쪽 꽉차게
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Color(0xFFF1F8E9),
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFC8E6C9),
width: 1,
),
),
child: const Text(
'안녕하세요!\n스마트가든의 식물들이 건강하게 자랄 수 있도록 도와드릴게요.\n궁금한 점을 언제든 물어보세요!',
style: TextStyle(
fontSize: 13,
color: Color(0xFF558B2F),
height: 1.6,
),
),
),
],
),
),
],
),
),
),
// 우측 채팅 영역 (40%)
Expanded(
flex: 4,
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Color(0xFFFAFAFA),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 1,
),
),
child: Column(
children: [
// 헤더
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(),
child: Row(
children: [
const Icon(
Icons.eco,
color: Color(0xFF81C784),
size: 24,
),
const SizedBox(width: 12),
const Text(
'푸미 일지',
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
textAlign: TextAlign.left,
),
],
),
),
// 채팅 메시지 영역
Expanded(
child: Container(
margin: const EdgeInsets.symmetric(
horizontal: 16,
),
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage(
'assets/images/chat_img.png',
),
// ← 배경 이미지 추가
fit: BoxFit.cover,
colorFilter: ColorFilter.mode(
Colors.white.withOpacity(0.9),
// 채팅 배경 이미지 투명도 조정
BlendMode.lighten,
),
),
color: Colors.white.withOpacity(0.5),
// 채팅창 투명도
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 0.5,
),
),
child: ListView.builder(
controller: _scrollController,
padding: const EdgeInsets.all(16),
itemCount: _messages.length,
itemBuilder: (context, index) {
final message = _messages[index];
return _ChatBubble(message: message);
},
),
),
),
// 자주하는 질문 버튼들을 감싸는 컨테이너
Container(
margin: const EdgeInsets.fromLTRB(16, 12, 16, 12),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Color(0xFFC8E6C9).withOpacity(0.3), // 배경
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
// 온도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFF1976D2,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('현재 온도는?'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.thermostat,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'온도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 습도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFF388E3C,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('현재 습도는?'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.water_drop,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'습도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 물 주기
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white, // ← 흰색
borderRadius: BorderRadius.circular(25),
border: Border.all(
color: Color(
0xFFFFA000,
).withOpacity(0.2),
width: 0.5,
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () =>
_sendQuickQuestion('물을 주세요'),
borderRadius: BorderRadius.circular(
25,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
6,
),
),
child: const Center(
child: Icon(
Icons.waves,
color: Color(0xFF4CAF50),
size: 25,
),
),
),
const SizedBox(width: 8),
Text(
'물 주기',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF000000),
),
),
],
),
),
),
),
),
),
],
),
),
// 입력 필드 + 전송 버튼 (같은 줄)
Padding(
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
child: Row(
children: [
// 입력 필드
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: Color(0xFFE0E0E0),
width: 0.5,
),
),
child: TextField(
controller: _textController,
onSubmitted: (value) {
_sendMessage(
_textController.text,
); // 엔터로 전송
},
decoration: InputDecoration(
hintText: '메시지를 입력하세요...',
hintStyle: TextStyle(
fontSize: 20,
color: Color(0xFF9E9E9E),
),
border: InputBorder.none,
contentPadding:
const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
style: const TextStyle(fontSize: 20),
maxLines: 1,
),
),
),
const SizedBox(width: 12),
// 전송 버튼
SizedBox(
height: 48,
width: 60,
child: ElevatedButton(
onPressed: () {
_sendMessage(_textController.text);
},
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF81C784),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(
8,
),
),
padding: EdgeInsets.zero,
),
child: const Text(
'전송',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
),
],
),
),
],
),
),
),
],
),
),
),
),
// Layer 이미지 (화면 전체)
IgnorePointer(
child: Image.asset(
'assets/images/layer_img1.png',
fit: BoxFit.cover,
width: double.infinity,
height: double.infinity,
),
),
],
),
);
}
}
class _ChatBubble extends StatelessWidget {
final ChatMessage message;
const _ChatBubble({required this.message});
String _formatTime(DateTime dateTime) {
final hour = dateTime.hour;
final minute = dateTime.minute;
final period = hour >= 12 ? '오후' : '오전';
final displayHour = hour > 12 ? hour - 12 : (hour == 0 ? 12 : hour);
return '$period ${displayHour.toString().padLeft(2, '0')}:${minute.toString().padLeft(2, '0')}';
}
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 30),
child: Row(
mainAxisAlignment: message.isUser
? MainAxisAlignment.end
: MainAxisAlignment.start,
children: [
if (!message.isUser) ...[
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
borderRadius: BorderRadius.circular(20),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(20),
child: Image.asset(
'assets/images/profile.png',
fit: BoxFit.cover,
),
),
),
const SizedBox(width: 10),
],
Flexible(
child: Row(
mainAxisAlignment: message.isUser
? MainAxisAlignment.end
: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
if (message.isUser)
Text(
_formatTime(message.timestamp),
style: TextStyle(fontSize: 12, color: Color(0xFF9E9E9E)),
),
if (message.isUser) const SizedBox(width: 8),
Flexible(
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
decoration: BoxDecoration(
color: message.isUser
? Color(0xFFE8F5E9)
: Colors.white,
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 4,
offset: const Offset(0, 2),
),
],
),
child: SelectableText(
message.text,
style: TextStyle(
fontSize: 20,
color: message.isUser
? Color(0xFF000000)
: Color(0xFF424242),
height: 1.4,
),
),
),
),
if (!message.isUser) const SizedBox(width: 8),
if (!message.isUser)
Text(
_formatTime(message.timestamp),
style: TextStyle(fontSize: 12, color: Color(0xFF9E9E9E)),
),
],
),
),
],
),
);
}
}

117
lib/services/chat_service.dart Normal file
View File

@@ -0,0 +1,117 @@
import 'dart:convert';
import 'package:http/http.dart' as http;
import '../models/chat_message.dart';
class ChatService {
// 서버 URL
static const String serverUrl = 'http://49.238.167.71:8000/chat/';
// 타임아웃 설정 (초)
static const int timeoutSeconds = 30;
/// 사용자 메시지를 서버로 전송하고 응답을 받는 메서드
static Future<String> sendMessage(String userMessage) async {
try {
// 요청 생성
final requestBody = {
'device_id': 1,
'locale': 'ko-KR',
'message': userMessage,
'session_id': 'session-001',
'user_id': 'user-123',
};
// JSON 형식 확인
final jsonBody = jsonEncode(requestBody);
print('서버로 요청 전송 (Map): $requestBody');
print('서버로 요청 전송 (JSON): $jsonBody');
final uri = Uri.parse(serverUrl);
print('요청 URI: $uri');
print('요청 헤더: {Content-Type: application/json, accept: application/json}');
print('요청 바디: ${jsonEncode(requestBody)}');
// POST 요청 전송
final response = await http.post(
Uri.parse(serverUrl),
headers: {
'Content-Type': 'application/json',
'accept': 'application/json',
},
body: jsonEncode(requestBody),
).timeout(
const Duration(seconds: timeoutSeconds),
onTimeout: () => throw TimeoutException('서버 응답 시간 초과'),
);
print('서버 응답 상태코드: ${response.statusCode}');
print('서버 응답 본문: ${response.body}');
// 상태 코드 확인
if (response.statusCode == 200) {
final jsonResponse = jsonDecode(response.body);
print('전체 응답: $jsonResponse');
// 'message' 필드 추출
final responseMessage = jsonResponse['message'] as String?;
if (responseMessage != null && responseMessage.isNotEmpty) {
print('응답 메시지: $responseMessage');
return responseMessage;
} else {
print('message 필드가 없습니다');
// 혹시 다른 필드에 응답이 있는지 확인
print('응답 전체: ${jsonResponse.toString()}');
return '응답을 받지 못했습니다';
}
} else {
// 실패
print('서버 오류: ${response.statusCode}');
return '서버 오류 (${response.statusCode})';
}
} on TimeoutException catch (e) {
print('타임아웃: $e');
return '서버 응답이 없습니다. 시간 초과';
} on FormatException catch (e) {
print('JSON 파싱 오류: $e');
return 'JSON 형식 오류';
} catch (e) {
print('오류 발생: $e');
return '오류가 발생했습니다: $e';
}
}
/// 서버 연결 테스트
static Future<bool> testConnection() async {
try {
print('서버 연결 테스트 중...');
final response = await http.get(
Uri.parse(serverUrl),
).timeout(
const Duration(seconds: timeoutSeconds),
);
if (response.statusCode == 200 || response.statusCode == 405) {
print('서버 연결 성공');
return true;
} else {
print('서버 연결 실패: ${response.statusCode}');
return false;
}
} catch (e) {
print('서버 연결 오류: $e');
return false;
}
}
}
/// 타임아웃 예외
class TimeoutException implements Exception {
final String message;
TimeoutException(this.message);
@override
String toString() => message;
}

24
pubspec.lock
View File

@@ -112,6 +112,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.15.6"
http:
dependency: "direct main"
description:
name: http
sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
url: "https://pub.dev"
source: hosted
version: "1.6.0"
http_parser:
dependency: transitive
description:
name: http_parser
sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
url: "https://pub.dev"
source: hosted
version: "4.1.2"
leak_tracker:
dependency: transitive
description:
@@ -237,6 +253,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.7.6"
typed_data:
dependency: transitive
description:
name: typed_data
sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
url: "https://pub.dev"
source: hosted
version: "1.4.0"
vector_math:
dependency: transitive
description:

2
pubspec.yaml
View File

@@ -28,6 +28,8 @@ environment:
# the latest version available on pub.dev. To see which dependencies have newer
# versions available, run `flutter pub outdated`.
dependencies:
http: ^1.1.0
flutter:
sdk: flutter