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감정표현, 채팅응답대기 추가

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임지은
2026-06-24 15:31:06 +09:00
parent 8465be1d06
commit 44100e387b
29 changed files with 326 additions and 1153 deletions
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272
lib/screens/chat_screen.dart
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@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';
import '../models/chat_message.dart';
import '../services/chat_service.dart';
import 'dart:math'; //26.06.24 추가
class ChatScreen extends StatefulWidget {
const ChatScreen({Key? key}) : super(key: key);
@@ -18,31 +20,73 @@ class _ChatScreenState extends State<ChatScreen> {
late VideoPlayerController _videoController;
bool _isVideoInitialized = false;
bool _isLoading = false;
int _currentEmotion = 1; // ← 추가 (현재 감정, 기본값: 1 = DEFAULT)
@override
void initState() {
super.initState();
_initializeVideo();
// 더미 컨트롤러로 먼저 초기화
_videoController = VideoPlayerController.asset('assets/videos/default.mp4');
// 실제 감정에 따른 비디오 초기화
_initializeVideo(_currentEmotion);
_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: $error');
//26.06.24 추가 시작
String _getVideoFileName(int emotionCategory) {
switch(emotionCategory) {
case 1:
return 'default.mp4'; // DEFAULT
case 2:
return 'joy.mp4'; // JOY
case 3:
return 'thinking.mp4'; // THINKING
case 4:
return 'realization.mp4'; // REALIZATION
case 5:
return 'angry.mp4'; // ANGER
case 6:
return 'thirst.mp4'; // THIRST
case 7:
return 'cold.mp4'; // COLD
default:
return 'default.mp4'; // 기본값
}
}
void _initializeVideo(int emotionCategory) {
final videoFileName = _getVideoFileName(emotionCategory);
print('비디오 변경: emotion=$emotionCategory → $videoFileName');
// 새 비디오 컨트롤러 생성
final newController = VideoPlayerController.asset('assets/videos/$videoFileName');
// 새 비디오를 먼저 로드
newController.initialize().then((_) {
// 로드 완료 후에 기존 컨트롤러 교체
try {
if (_videoController.hasListeners) {
_videoController.dispose();
}
} catch (e) {
print('기존 컨트롤러 dispose 스킵: $e');
}
// 새 컨트롤러로 교체
_videoController = newController;
_videoController.setLooping(true);
_videoController.setVolume(0.0);
_videoController.play();
setState(() {
_isVideoInitialized = true;
});
}).catchError((error) {
print('비디오 로드 오류: $error');
});
}
//26.06.24 추가 끝
void _addInitialMessage() {
setState(() {
@@ -51,35 +95,68 @@ class _ChatScreenState extends State<ChatScreen> {
text: '상태 분석이 완료되었습니다.\n무엇을 도와드릴까요?',
isUser: false,
timestamp: DateTime.now(),
emotionCategory: _currentEmotion, // 감정 추가
),
);
});
}
//26.06.24 추가 시작
void _sendMessage(String text) async {
if (text.isEmpty) return;
// 사용자 메시지 추가
setState(() {
_messages.add(
ChatMessage(text: text, isUser: true, timestamp: DateTime.now()),
ChatMessage(
text: text,
isUser: true,
timestamp: DateTime.now(),
emotionCategory: null, // 사용자 메시지는 감정값 없음
),
);
_isLoading = true;
});
_textController.clear();
_scrollToBottom();
// 로딩 메시지 추가 (... 표시)
setState(() {
_messages.add(
ChatMessage(
text: '로딩 중...',
isUser: false,
timestamp: DateTime.now(),
emotionCategory: _currentEmotion, // 현재 감정값 유지
),
);
_isLoading = true;
});
_scrollToBottom();
// 서버로 메시지 전송
try {
final response = await ChatService.sendMessage(text);
final (responseMessage, emotionCategory) = await ChatService.sendMessage(text);
print('받은 감정값: $emotionCategory (기존: $_currentEmotion)');
setState(() {
// 마지막 로딩 메시지를 실제 응답으로 교체
_messages.removeLast(); // 로딩 메시지 제거
// 감정값이 변경되었으면 비디오 변경
if (emotionCategory != _currentEmotion) {
print('감정 변경! $emotionCategory로 비디오 교체');
_currentEmotion = emotionCategory;
// 백그라운드에서 비디오 로드 (화면 깜빡임 없음)
_initializeVideo(_currentEmotion);
}
_messages.add(
ChatMessage(
text: response,
text: responseMessage,
isUser: false,
timestamp: DateTime.now(),
emotionCategory: emotionCategory, // ← 추가
),
);
_isLoading = false;
@@ -88,11 +165,13 @@ class _ChatScreenState extends State<ChatScreen> {
} catch (e) {
print('메시지 전송 오류: $e');
setState(() {
_messages.removeLast(); // ← 로딩 메시지 제거
_messages.add(
ChatMessage(
text: '오류가 발생했습니다. 다시 시도해주세요.',
isUser: false,
timestamp: DateTime.now(),
emotionCategory: _currentEmotion, // ← 추가
),
);
_isLoading = false;
@@ -100,6 +179,7 @@ class _ChatScreenState extends State<ChatScreen> {
_scrollToBottom();
}
}
//26.06.24 추가 끝
void _scrollToBottom() {
Future.delayed(const Duration(milliseconds: 100), () {
@@ -453,10 +533,18 @@ class _ChatScreenState extends State<ChatScreen> {
controller: _scrollController,
padding: const EdgeInsets.all(16),
itemCount: _messages.length,
//26.06.24 추가 시작
itemBuilder: (context, index) {
final message = _messages[index];
return _ChatBubble(message: message);
final isLoadingMessage = _isLoading &&
index == _messages.length - 1 &&
!message.isUser;
return _ChatBubble(
message: message,
isLoading: isLoadingMessage,
);
},
//26.06.24 추가 끝
),
),
),
@@ -748,8 +836,12 @@ class _ChatScreenState extends State<ChatScreen> {
class _ChatBubble extends StatelessWidget {
final ChatMessage message;
final bool isLoading; //26.06.24 추가
const _ChatBubble({required this.message});
const _ChatBubble({
required this.message,
this.isLoading = false //26.06.24 추가
});
String _formatTime(DateTime dateTime) {
final hour = dateTime.hour;
@@ -819,16 +911,20 @@ class _ChatBubble extends StatelessWidget {
),
],
),
child: SelectableText(
// 26.06.24 추가 시작
child: isLoading
? _LoadingAnimation() // 로딩 중
: SelectableText(
message.text,
style: TextStyle(
fontSize: 20,
color: message.isUser
? Colors.black
: Colors.black,
? Color(0xFF000000)
: Color(0xFF424242),
height: 1.4,
),
),
// 26.06.24 추가 끝
),
),
if (!message.isUser) const SizedBox(width: 8),
@@ -844,4 +940,128 @@ class _ChatBubble extends StatelessWidget {
),
);
}
}
}
//26.06.24 추가 시작
class _LoadingAnimation extends StatefulWidget {
const _LoadingAnimation();
@override
State<_LoadingAnimation> createState() => _LoadingAnimationState();
}
class _LoadingAnimationState extends State<_LoadingAnimation>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
@override
void initState() {
super.initState();
_controller = AnimationController(
duration: const Duration(milliseconds: 900), //움직이는 속도
vsync: this,
)..repeat();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
double _getOffset(double progress, int index) {
final delay = index * 0.15;
final adjustedProgress = (progress + delay) % 1.0;
return sin(adjustedProgress * pi * 2) * 2;
}
@override
Widget build(BuildContext context) {
return AnimatedBuilder(
animation: _controller,
builder: (context, child) {
final progress = _controller.value;
return SizedBox(
height: 20, // 일반 텍스트 높이와 동일
child: Row(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
_AnimatedDot(
progress: progress,
index: 0,
getOffset: _getOffset,
),
const SizedBox(width: 3),
_AnimatedDot(
progress: progress,
index: 1,
getOffset: _getOffset,
),
const SizedBox(width: 3),
_AnimatedDot(
progress: progress,
index: 2,
getOffset: _getOffset,
),
],
),
);
},
);
}
}
// 개별 원형 점 위젯
class _AnimatedDot extends StatelessWidget {
final double progress;
final int index;
final double Function(double, int) getOffset;
const _AnimatedDot({
required this.progress,
required this.index,
required this.getOffset,
});
@override
Widget build(BuildContext context) {
final offset = getOffset(progress, index);
return Transform.translate(
offset: Offset(0, offset),
child: SizedBox( //원형 사이즈
width: 5,
height: 5,
child: CustomPaint(
painter: _DotPainter(),
),
),
);
}
}
// CustomPaint로 원 그리기
class _DotPainter extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
final paint = Paint()
..color = const Color(0xFF424242)
..style = PaintingStyle.fill;
// 원의 중심과 반지름
final center = Offset(size.width / 2, size.height / 2);
final radius = size.width / 2;
canvas.drawCircle(center, radius, paint);
}
@override
bool shouldRepaint(_DotPainter oldDelegate) => false;
}
//26.06.24 추가 끝
//26.06.24 추가 시작
//26.06.24 추가 끝