358 lines
14 KiB
Dart
358 lines
14 KiB
Dart
import "dart:convert";
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import "package:dio/dio.dart";
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import "package:easy_localization/easy_localization.dart";
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import "package:flutter/material.dart";
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import "package:flutter_hooks/flutter_hooks.dart";
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import "package:gap/gap.dart";
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import "package:hooks_riverpod/hooks_riverpod.dart";
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import "package:island/models/thought.dart";
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import "package:island/pods/network.dart";
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import "package:island/pods/userinfo.dart";
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import "package:island/widgets/alert.dart";
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import "package:island/widgets/content/sheet.dart";
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import "package:island/widgets/thought/shared_widgets.dart";
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import "package:material_symbols_icons/material_symbols_icons.dart";
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import "package:super_sliver_list/super_sliver_list.dart";
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class ThoughtSheet extends HookConsumerWidget {
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final List<Map<String, dynamic>> attachedMessages;
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final List<String> attachedPosts;
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const ThoughtSheet({
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super.key,
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this.attachedMessages = const [],
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this.attachedPosts = const [],
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});
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static Future<void> show(
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BuildContext context, {
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List<Map<String, dynamic>> attachedMessages = const [],
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List<String> attachedPosts = const [],
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}) {
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return showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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useSafeArea: true,
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builder:
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(context) => ThoughtSheet(
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attachedMessages: attachedMessages,
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attachedPosts: attachedPosts,
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),
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);
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}
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final localThoughts = useState<List<SnThinkingThought>>([]);
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final currentTopic = useState<String?>('aiThought'.tr());
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final messageController = useTextEditingController();
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final scrollController = useScrollController();
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final isStreaming = useState(false);
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final streamingText = useState<String>('');
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final functionCalls = useState<List<String>>([]);
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final reasoningChunks = useState<List<String>>([]);
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final listController = useMemoized(() => ListController(), []);
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// Scroll to bottom when thoughts change or streaming state changes
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useEffect(() {
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if (localThoughts.value.isNotEmpty || isStreaming.value) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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scrollController.animateTo(
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0,
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duration: const Duration(milliseconds: 300),
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curve: Curves.easeOut,
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);
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});
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}
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return null;
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}, [localThoughts.value.length, isStreaming.value]);
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void sendMessage() async {
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if (messageController.text.trim().isEmpty) return;
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final userMessage = messageController.text.trim();
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// Add user message to local thoughts
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final userInfo = ref.read(userInfoProvider);
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final now = DateTime.now();
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final userThought = SnThinkingThought(
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id: 'user-${DateTime.now().millisecondsSinceEpoch}',
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content: userMessage,
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files: [],
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role: ThinkingThoughtRole.user,
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sequenceId: '',
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createdAt: now,
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updatedAt: now,
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sequence: SnThinkingSequence(
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id: '',
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accountId: userInfo.value!.id,
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createdAt: now,
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updatedAt: now,
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),
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);
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localThoughts.value = [userThought, ...localThoughts.value];
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final request = StreamThinkingRequest(
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userMessage: userMessage,
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sequenceId: null,
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accpetProposals: ['post_create'],
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attachedMessages: attachedMessages,
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attachedPosts: attachedPosts,
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);
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try {
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isStreaming.value = true;
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streamingText.value = '';
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functionCalls.value = [];
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reasoningChunks.value = [];
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final apiClient = ref.read(apiClientProvider);
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final response = await apiClient.post(
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'/insight/thought',
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data: request.toJson(),
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options: Options(
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responseType: ResponseType.stream,
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sendTimeout: Duration(minutes: 1),
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receiveTimeout: Duration(minutes: 1),
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),
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);
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final stream = response.data.stream;
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final lineBuffer = StringBuffer();
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stream.listen(
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(data) {
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final chunk = utf8.decode(data);
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lineBuffer.write(chunk);
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final lines = lineBuffer.toString().split('\n');
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lineBuffer.clear();
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lineBuffer.write(lines.last); // keep incomplete line
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for (final line in lines.sublist(0, lines.length - 1)) {
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if (line.trim().isEmpty) continue;
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try {
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if (line.startsWith('data: ')) {
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final jsonStr = line.substring(6);
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final event = jsonDecode(jsonStr);
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final type = event['type'];
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final eventData = event['data'];
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if (type == 'text') {
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streamingText.value += eventData;
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} else if (type == 'function_call') {
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functionCalls.value = [
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...functionCalls.value,
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JsonEncoder.withIndent(' ').convert(eventData),
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];
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} else if (type == 'reasoning') {
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reasoningChunks.value = [
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...reasoningChunks.value,
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eventData,
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];
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}
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} else if (line.startsWith('topic: ')) {
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final jsonStr = line.substring(7);
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final event = jsonDecode(jsonStr);
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currentTopic.value = event['data'];
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} else if (line.startsWith('thought: ')) {
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final jsonStr = line.substring(9);
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final event = jsonDecode(jsonStr);
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final aiThought = SnThinkingThought.fromJson(event['data']);
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localThoughts.value = [aiThought, ...localThoughts.value];
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isStreaming.value = false;
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}
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} catch (e) {
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// Ignore parsing errors for individual events
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}
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}
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},
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onDone: () {
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if (isStreaming.value) {
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isStreaming.value = false;
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showErrorAlert('thoughtParseError'.tr());
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}
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},
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onError: (error) {
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isStreaming.value = false;
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if (error is DioException && error.response?.data is ResponseBody) {
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showErrorAlert('toughtParseError'.tr());
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} else {
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showErrorAlert(error);
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}
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},
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);
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messageController.clear();
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FocusManager.instance.primaryFocus?.unfocus();
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} catch (error) {
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isStreaming.value = false;
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showErrorAlert(error);
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}
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}
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return SheetScaffold(
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titleText: currentTopic.value ?? 'aiThought'.tr(),
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child: Center(
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child: Container(
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constraints: BoxConstraints(maxWidth: 640),
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child: Column(
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children: [
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Expanded(
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child: SuperListView.builder(
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listController: listController,
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controller: scrollController,
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padding: const EdgeInsets.only(top: 16, bottom: 16),
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reverse: true,
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itemCount:
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localThoughts.value.length + (isStreaming.value ? 1 : 0),
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itemBuilder: (context, index) {
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if (isStreaming.value && index == 0) {
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return streamingThoughtItem(
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streamingText.value,
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reasoningChunks.value,
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functionCalls.value,
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context,
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);
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}
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final thoughtIndex = isStreaming.value ? index - 1 : index;
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final thought = localThoughts.value[thoughtIndex];
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return thoughtItem(thought, thoughtIndex, context);
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},
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),
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),
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Container(
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margin: EdgeInsets.only(
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left: 16,
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right: 16,
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bottom: 16 + MediaQuery.of(context).padding.bottom,
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),
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child: Material(
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elevation: 2,
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(32),
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child: Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 6,
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horizontal: 8,
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),
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child: Column(
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children: [
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if (attachedMessages.isNotEmpty ||
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attachedPosts.isNotEmpty)
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Container(
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key: ValueKey(
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'attachments-${attachedMessages.length}-${attachedPosts.length}',
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),
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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),
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margin: const EdgeInsets.only(
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left: 4,
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right: 4,
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top: 4,
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bottom: 4,
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),
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decoration: BoxDecoration(
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color:
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Theme.of(
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context,
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).colorScheme.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: Theme.of(
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context,
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).colorScheme.outline.withOpacity(0.2),
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width: 1,
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.max,
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children: [
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Icon(
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Symbols.attach_file,
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size: 14,
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color: Theme.of(context).colorScheme.primary,
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),
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const Gap(4),
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Text(
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[
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if (attachedMessages.isNotEmpty)
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'${attachedMessages.length} message${attachedMessages.length > 1 ? 's' : ''}',
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if (attachedPosts.isNotEmpty)
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'${attachedPosts.length} post${attachedPosts.length > 1 ? 's' : ''}',
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].join(', '),
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style: Theme.of(
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context,
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).textTheme.bodySmall!.copyWith(
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fontWeight: FontWeight.w500,
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fontSize: 12,
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),
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),
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const Spacer(),
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SizedBox(
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width: 24,
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height: 24,
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child: IconButton(
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padding: EdgeInsets.zero,
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icon: const Icon(Icons.close, size: 14),
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onPressed: () {
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// Note: Since these are final parameters, we can't modify them directly
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// This would require making the sheet stateful or using a callback
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// For now, just show the indicator without remove functionality
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},
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tooltip: 'clear'.tr(),
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),
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),
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],
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),
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),
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(
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child: TextField(
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controller: messageController,
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keyboardType: TextInputType.multiline,
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enabled: !isStreaming.value,
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decoration: InputDecoration(
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hintText:
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isStreaming.value
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? 'thoughtStreamingHint'.tr()
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: 'thoughtInputHint'.tr(),
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border: InputBorder.none,
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isDense: true,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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),
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maxLines: 5,
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minLines: 1,
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textInputAction: TextInputAction.send,
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onSubmitted: (_) => sendMessage(),
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),
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),
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IconButton(
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icon: Icon(
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isStreaming.value ? Symbols.stop : Icons.send,
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),
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color: Theme.of(context).colorScheme.primary,
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onPressed: sendMessage,
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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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),
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),
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);
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}
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}
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