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macbook_max
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../core/network/api_exception.dart';
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import '../../core/theme/app_theme.dart';
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import '../../models/video_item.dart';
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import '../../providers/profile_provider.dart';
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import '../../providers/upload_provider.dart';
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import '../../services/video_service.dart';
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import '../feed/widgets/feed_overlays.dart';
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/// 编辑作品（《03-接口文档》5.12 / 5.13，仅作者）：
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/// 可改标题/简介/分类/标签；删除为服务端软删除，二次确认后立即下架。
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class EditVideoScreen extends ConsumerStatefulWidget {
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const EditVideoScreen({super.key, required this.video});
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final VideoItem video;
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@override
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ConsumerState<EditVideoScreen> createState() => _EditVideoScreenState();
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}
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class _EditVideoScreenState extends ConsumerState<EditVideoScreen> {
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late final TextEditingController _titleCtrl;
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late final TextEditingController _descCtrl;
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late final TextEditingController _tagsCtrl;
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late int _categoryId;
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bool _submitting = false;
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@override
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void initState() {
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super.initState();
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final v = widget.video;
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_titleCtrl = TextEditingController(text: v.title);
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_descCtrl = TextEditingController(text: v.description);
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_tagsCtrl = TextEditingController(text: v.tags.join(' '));
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_categoryId = v.categoryId;
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}
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@override
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void dispose() {
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_titleCtrl.dispose();
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_descCtrl.dispose();
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_tagsCtrl.dispose();
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super.dispose();
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}
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/// 空格/逗号/顿号分隔，去重，最多 5 个
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List<String> _parseTags() => _tagsCtrl.text
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.split(RegExp(r'[\s,，、]+'))
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.map((e) => e.trim())
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.where((e) => e.isNotEmpty)
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.toSet()
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.take(5)
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.toList();
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void _toast(String message) {
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if (mounted) showTopToast(context, message);
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}
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Future<void> _save() async {
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final title = _titleCtrl.text.trim();
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if (title.isEmpty) {
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_toast('请填写标题');
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return;
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}
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setState(() => _submitting = true);
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try {
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await VideoService.updateVideo(
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widget.video.videoId,
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title: title,
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description: _descCtrl.text.trim(),
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categoryId: _categoryId,
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tags: _parseTags(),
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);
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// 刷新我的作品列表，返回后展示最新信息
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ref.invalidate(myVideosProvider);
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_toast('已保存');
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if (mounted) Navigator.of(context).maybePop();
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} on ApiException catch (e) {
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_toast(e.message);
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} catch (_) {
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_toast('网络异常，请稍后重试');
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} finally {
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if (mounted) setState(() => _submitting = false);
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}
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}
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Future<void> _confirmDelete() async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: AppColors.surface,
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title: const Text('删除作品'),
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content: const Text('删除后作品立即下架且不可恢复，确定删除？'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('取消',
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style: TextStyle(color: AppColors.textSecondary)),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child:
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const Text('删除', style: TextStyle(color: AppColors.primary)),
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),
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],
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),
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);
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if (confirmed != true) return;
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setState(() => _submitting = true);
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try {
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await VideoService.deleteVideo(widget.video.videoId);
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ref.invalidate(myVideosProvider);
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_toast('已删除');
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if (mounted) Navigator.of(context).maybePop();
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} on ApiException catch (e) {
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_toast(e.message);
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} catch (_) {
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_toast('网络异常，请稍后重试');
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} finally {
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if (mounted) setState(() => _submitting = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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final categories = ref.watch(uploadCategoriesProvider);
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return Scaffold(
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appBar: AppBar(title: const Text('编辑作品')),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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TextField(
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controller: _titleCtrl,
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enabled: !_submitting,
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maxLength: 100,
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decoration: const InputDecoration(labelText: '标题'),
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),
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const SizedBox(height: 8),
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TextField(
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controller: _descCtrl,
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enabled: !_submitting,
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maxLength: 500,
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maxLines: 3,
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decoration: const InputDecoration(labelText: '简介'),
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),
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const SizedBox(height: 8),
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const Text('分类', style: TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 8),
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categories.when(
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loading: () => const LinearProgressIndicator(),
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error: (_, __) => const Text('分类加载失败',
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style: TextStyle(color: AppColors.textWeak, fontSize: 12)),
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data: (list) => Wrap(
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spacing: 8,
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runSpacing: 8,
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children: [
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for (final c in list)
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ChoiceChip(
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label: Text(c.name),
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selected: _categoryId == c.categoryId,
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onSelected: _submitting
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? null
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: (_) => setState(() => _categoryId = c.categoryId),
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),
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],
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _tagsCtrl,
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enabled: !_submitting,
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decoration: const InputDecoration(
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labelText: '标签',
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hintText: '空格分隔，最多 5 个',
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),
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),
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const SizedBox(height: 24),
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ElevatedButton(
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onPressed: _submitting ? null : _save,
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style: ElevatedButton.styleFrom(minimumSize: const Size(0, 48)),
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child: const Text('保存'),
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),
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const SizedBox(height: 8),
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OutlinedButton(
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onPressed: _submitting ? null : _confirmDelete,
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style: OutlinedButton.styleFrom(
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minimumSize: const Size(0, 48),
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side: const BorderSide(color: AppColors.primary),
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),
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child: const Text('删除作品',
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style: TextStyle(color: AppColors.primary)),
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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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