326 lines
11 KiB
Dart
326 lines
11 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:tablet_app/Models/AssistantResponse.dart';
|
|
import 'package:tablet_app/Models/tabletContext.dart';
|
|
import 'package:tablet_app/Services/assistantService.dart';
|
|
import 'package:tablet_app/constants.dart';
|
|
|
|
class AssistantChatView extends StatefulWidget {
|
|
final TabletAppContext tabletAppContext;
|
|
final String? configurationId;
|
|
final void Function(String sectionId, String sectionTitle)? onNavigateToSection;
|
|
|
|
const AssistantChatView({
|
|
Key? key,
|
|
required this.tabletAppContext,
|
|
this.configurationId,
|
|
this.onNavigateToSection,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
State<AssistantChatView> createState() => _AssistantChatViewState();
|
|
}
|
|
|
|
class _AssistantChatViewState extends State<AssistantChatView> {
|
|
late AssistantService _assistantService;
|
|
final TextEditingController _controller = TextEditingController();
|
|
final ScrollController _scrollController = ScrollController();
|
|
final List<Widget> _bubbles = [];
|
|
bool _isLoading = false;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_assistantService = AssistantService(tabletAppContext: widget.tabletAppContext);
|
|
}
|
|
|
|
Future<void> _send() async {
|
|
final text = _controller.text.trim();
|
|
if (text.isEmpty || _isLoading) return;
|
|
|
|
_controller.clear();
|
|
setState(() {
|
|
_bubbles.add(_ChatBubble(text: text, isUser: true));
|
|
_isLoading = true;
|
|
});
|
|
_scrollToBottom();
|
|
|
|
try {
|
|
final response = await _assistantService.chat(
|
|
message: text,
|
|
configurationId: widget.configurationId,
|
|
);
|
|
setState(() {
|
|
_bubbles.add(_AssistantMessage(
|
|
response: response,
|
|
onNavigate: widget.onNavigateToSection,
|
|
));
|
|
});
|
|
} catch (_) {
|
|
setState(() {
|
|
_bubbles.add(_ChatBubble(text: "Une erreur est survenue, réessayez.", isUser: false));
|
|
});
|
|
} finally {
|
|
setState(() => _isLoading = false);
|
|
_scrollToBottom();
|
|
}
|
|
}
|
|
|
|
void _scrollToBottom() {
|
|
WidgetsBinding.instance.addPostFrameCallback((_) {
|
|
if (_scrollController.hasClients) {
|
|
_scrollController.animateTo(
|
|
_scrollController.position.maxScrollExtent,
|
|
duration: const Duration(milliseconds: 300),
|
|
curve: Curves.easeOut,
|
|
);
|
|
}
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Container(
|
|
width: 480,
|
|
height: double.infinity,
|
|
decoration: const BoxDecoration(
|
|
color: Colors.white,
|
|
borderRadius: BorderRadius.horizontal(left: Radius.circular(20)),
|
|
boxShadow: [
|
|
BoxShadow(color: Colors.black26, blurRadius: 12, offset: Offset(-4, 0)),
|
|
],
|
|
),
|
|
child: Column(
|
|
children: [
|
|
// Header
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
|
|
decoration: BoxDecoration(
|
|
color: kMainGrey,
|
|
borderRadius: const BorderRadius.only(topLeft: Radius.circular(20)),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
const Icon(Icons.chat_bubble_outline, color: Colors.white, size: 22),
|
|
const SizedBox(width: 10),
|
|
const Expanded(
|
|
child: Text(
|
|
"Assistant",
|
|
style: TextStyle(color: Colors.white, fontSize: 20, fontWeight: FontWeight.w600),
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.close, color: Colors.white),
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// Messages
|
|
Expanded(
|
|
child: _bubbles.isEmpty
|
|
? Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(32),
|
|
child: Text(
|
|
"Bonjour ! Posez-moi vos questions sur cette visite.",
|
|
textAlign: TextAlign.center,
|
|
style: TextStyle(color: Colors.grey[500], fontSize: 18),
|
|
),
|
|
),
|
|
)
|
|
: ListView.builder(
|
|
controller: _scrollController,
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
itemCount: _bubbles.length,
|
|
itemBuilder: (_, i) => _bubbles[i],
|
|
),
|
|
),
|
|
// Loading
|
|
if (_isLoading)
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
|
|
child: Row(
|
|
children: [
|
|
SizedBox(
|
|
width: 22, height: 22,
|
|
child: CircularProgressIndicator(strokeWidth: 2, color: kMainGrey),
|
|
),
|
|
const SizedBox(width: 10),
|
|
Text("...", style: TextStyle(color: Colors.grey[400], fontSize: 16)),
|
|
],
|
|
),
|
|
),
|
|
// Input
|
|
Padding(
|
|
padding: const EdgeInsets.all(12),
|
|
child: Row(
|
|
children: [
|
|
Expanded(
|
|
child: TextField(
|
|
controller: _controller,
|
|
textCapitalization: TextCapitalization.sentences,
|
|
style: const TextStyle(fontSize: 16),
|
|
decoration: InputDecoration(
|
|
hintText: "Votre question...",
|
|
filled: true,
|
|
fillColor: Colors.grey[100],
|
|
border: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(24),
|
|
borderSide: BorderSide.none,
|
|
),
|
|
contentPadding: const EdgeInsets.symmetric(horizontal: 18, vertical: 12),
|
|
),
|
|
onSubmitted: (_) => _send(),
|
|
),
|
|
),
|
|
const SizedBox(width: 10),
|
|
CircleAvatar(
|
|
radius: 26,
|
|
backgroundColor: kMainGrey,
|
|
child: IconButton(
|
|
icon: const Icon(Icons.send, color: Colors.white, size: 20),
|
|
onPressed: _send,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _ChatBubble extends StatelessWidget {
|
|
final String text;
|
|
final bool isUser;
|
|
|
|
const _ChatBubble({required this.text, required this.isUser});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Align(
|
|
alignment: isUser ? Alignment.centerRight : Alignment.centerLeft,
|
|
child: Container(
|
|
margin: const EdgeInsets.symmetric(vertical: 5),
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.65),
|
|
decoration: BoxDecoration(
|
|
color: isUser ? kMainGrey : Colors.grey[100],
|
|
borderRadius: BorderRadius.only(
|
|
topLeft: const Radius.circular(18),
|
|
topRight: const Radius.circular(18),
|
|
bottomLeft: isUser ? const Radius.circular(18) : const Radius.circular(4),
|
|
bottomRight: isUser ? const Radius.circular(4) : const Radius.circular(18),
|
|
),
|
|
),
|
|
child: Text(
|
|
text,
|
|
style: TextStyle(
|
|
color: isUser ? Colors.white : kSecondGrey,
|
|
fontSize: 15,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _AssistantMessage extends StatelessWidget {
|
|
final AssistantResponse response;
|
|
final void Function(String sectionId, String sectionTitle)? onNavigate;
|
|
|
|
const _AssistantMessage({required this.response, this.onNavigate});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 5),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
// Text bubble
|
|
_ChatBubble(text: response.reply, isUser: false),
|
|
|
|
// Cards
|
|
if (response.cards != null && response.cards!.isNotEmpty)
|
|
Padding(
|
|
padding: const EdgeInsets.only(top: 6, left: 4, right: 32),
|
|
child: Column(
|
|
children: response.cards!
|
|
.map((card) => _AiCardWidget(card: card))
|
|
.toList(),
|
|
),
|
|
),
|
|
|
|
// Navigation button
|
|
if (response.navigation != null && onNavigate != null)
|
|
Padding(
|
|
padding: const EdgeInsets.only(top: 8, left: 4),
|
|
child: ElevatedButton.icon(
|
|
onPressed: () => onNavigate!(
|
|
response.navigation!.sectionId,
|
|
response.navigation!.sectionTitle,
|
|
),
|
|
icon: const Icon(Icons.arrow_forward, size: 18),
|
|
label: Text(response.navigation!.sectionTitle),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: kMainGrey,
|
|
foregroundColor: Colors.white,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _AiCardWidget extends StatelessWidget {
|
|
final AiCard card;
|
|
|
|
const _AiCardWidget({required this.card});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Container(
|
|
margin: const EdgeInsets.only(bottom: 6),
|
|
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
borderRadius: BorderRadius.circular(12),
|
|
border: Border.all(color: Colors.grey[200]!),
|
|
boxShadow: [
|
|
BoxShadow(color: Colors.black.withOpacity(0.05), blurRadius: 4, offset: const Offset(0, 2)),
|
|
],
|
|
),
|
|
child: Row(
|
|
children: [
|
|
if (card.icon != null) ...[
|
|
Text(card.icon!, style: const TextStyle(fontSize: 20)),
|
|
const SizedBox(width: 10),
|
|
],
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
card.title,
|
|
style: TextStyle(fontWeight: FontWeight.w600, fontSize: 14, color: kSecondGrey),
|
|
),
|
|
if (card.subtitle.isNotEmpty)
|
|
Text(
|
|
card.subtitle,
|
|
style: TextStyle(fontSize: 12, color: Colors.grey[500]),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|