Files
smartgarden_chat/lib/main.dart
2026-06-18 15:55:33 +09:00

747 lines
28 KiB
Dart

import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';
void main() {
runApp(const SmartGardenApp());
}
class SmartGardenApp extends StatelessWidget {
const SmartGardenApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Smart Garden',
theme: ThemeData(
primarySwatch: Colors.green,
useMaterial3: true,
),
home: const SmartGardenScreen(),
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: Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/images/background.png'),
fit: BoxFit.cover,
),
),
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(
borderRadius: BorderRadius.circular(12),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
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, // 16 → 18
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
),
Text(
'스마트가든 AI 가이드',
style: TextStyle(
fontSize: 18, // 12 → 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 (왼쪽정렬)
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(16),
topRight: Radius.circular(16),
),
border: Border(
bottom: BorderSide(
color: Color(0xFFE0E0E0),
width: 1,
),
),
),
child: const Text(
'푸미와 대화하기',
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.w600,
color: Color(0xFF212121),
),
textAlign: TextAlign.left, // ← 왼쪽정렬
),
),
// 채팅 메시지 영역
Expanded(
child: Container(
margin: const EdgeInsets.symmetric(horizontal: 16),
decoration: BoxDecoration(
color: Colors.white,
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 버튼들 (채팅 아래, 입력창 위)
Padding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
child: Row(
children: [
// 온도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Color(0xFFBBDEFB),
borderRadius: BorderRadius.circular(8),
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(8),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text(
'🌡️',
style: TextStyle(fontSize: 20),
),
const SizedBox(width: 8),
Text(
'온도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF1976D2),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 습도 정보
Expanded(
child: Container(
decoration: BoxDecoration(
color: Color(0xFFC8E6C9),
borderRadius: BorderRadius.circular(8),
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(8),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text(
'💧',
style: TextStyle(fontSize: 20),
),
const SizedBox(width: 8),
Text(
'습도 정보',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF388E3C),
),
),
],
),
),
),
),
),
),
const SizedBox(width: 8),
// 물 주기
Expanded(
child: Container(
decoration: BoxDecoration(
color: Color(0xFFFFE0B2),
borderRadius: BorderRadius.circular(8),
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(8),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text(
'💦',
style: TextStyle(fontSize: 20),
),
const SizedBox(width: 8),
Text(
'물 주기',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFFFFA000),
),
),
],
),
),
),
),
),
),
],
),
),
// 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,
),
),
),
),
],
),
),
],
),
),
),
],
),
));
}
}
class _ChatBubble extends StatelessWidget {
final ChatMessage message;
const _ChatBubble({required this.message});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 12),
child: Row(
mainAxisAlignment:
message.isUser ? MainAxisAlignment.end : MainAxisAlignment.start,
children: [
if (!message.isUser) ...[
Container(
width: 40, // 32 → 40
height: 40, // 32 → 40
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(8),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Image.asset(
'assets/images/profile.png',
fit: BoxFit.cover,
),
),
),
const SizedBox(width: 10), // 8 → 10
],
Flexible(
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
decoration: BoxDecoration(
color: message.isUser
? Color(0xFFBBDEFB)
: Color(0xFFEEEEEE),
borderRadius: BorderRadius.circular(8),
),
child: SelectableText(
message.text,
style: TextStyle(
fontSize: 20,
color: message.isUser
? Color(0xFF1976D2)
: Color(0xFF424242),
height: 1.4,
),
),
),
),
if (message.isUser) const SizedBox(width: 8),
],
),
);
}
}
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,
),
],
],
),
),
),
);
}
}