589 lines
20 KiB
Dart
589 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../api/ai_api.dart';
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import '../../../core/network/api_exception.dart';
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import '../../../models/ai_config.dart';
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import '../../../providers/ai_config_provider.dart';
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import '../../../utils/toast.dart';
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import '../../../widgets/state_views.dart';
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/// AI 模型配置管理：列出现有配置、切换、增删改。
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///
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/// 设计上的三个要点：
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/// 1. **「默认」那一项是虚拟的** —— 值来自服务器 `.env`，不能编辑/删除。
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/// 它就是「什么都不选」的状态，选中后请求里 configId 传 null。
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/// 2. **列表不打勾谁在用**，打勾的是 [selectedAiConfigProvider] 里存的那个。
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/// 选中状态存在手机本地，不改服务端 —— 否则网页端和手机会互相打架。
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/// 3. **api key 只显示掩码**。编辑时留空 = 不改动。
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Future<void> openAiConfigPage(BuildContext context) {
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return Navigator.of(context).push(
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MaterialPageRoute(builder: (_) => const AiConfigPage()),
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);
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}
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class AiConfigPage extends ConsumerWidget {
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const AiConfigPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final configs = ref.watch(aiConfigsProvider);
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final selectedId = ref.watch(selectedAiConfigProvider);
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return Scaffold(
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appBar: AppBar(
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title: const Text('AI 模型'),
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actions: [
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IconButton(
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tooltip: '新增配置',
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icon: const Icon(Icons.add),
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onPressed: () => _openEditor(context, ref, null),
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),
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],
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),
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body: configs.when(
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loading: () => const LoadingView(tip: '正在加载配置...'),
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error: (e, _) => ErrorView(
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message: e is ApiException ? e.message : '配置加载失败',
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onRetry: () => ref.invalidate(aiConfigsProvider),
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),
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data: (list) {
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final custom = list.where((c) => c.editable).length;
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return ListView(
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
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children: [
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_introCard(),
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const SizedBox(height: 14),
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for (final item in list) ...[
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_configTile(context, ref, item, selectedId, custom),
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const SizedBox(height: 10),
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],
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if (custom == 0) _emptyHint(),
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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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Widget _introCard() {
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: const Color(0xFFFFF3E6),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'换一个模型',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: Color(0xFF5D4037),
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),
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),
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SizedBox(height: 5),
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Text(
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'可以配多套（不同厂商、不同模型），点一下就能切换。\n'
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'「默认」用的是服务器 .env 里那套，不需要在这里填。',
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style: TextStyle(fontSize: 12, height: 1.6, color: Color(0xFF8D6E63)),
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),
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],
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),
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);
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}
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Widget _emptyHint() {
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return Padding(
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padding: const EdgeInsets.only(top: 4),
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: const Text(
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'还没有自己的配置。点右上角「+」加一套 ——\n'
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'比如 DeepSeek、通义、智谱，填上各自的 base url、api key 和模型名。',
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 12.5, height: 1.7, color: Color(0xFFBCAAA4)),
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),
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),
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);
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}
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Widget _configTile(
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BuildContext context,
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WidgetRef ref,
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AiConfigItem item,
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int? selectedId,
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int customCount,
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) {
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// 默认项的 selectionKey 是 -1，不能用 id 比较
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final active = selectedId == null
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? item.isDefault
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: item.selectionKey == selectedId;
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(
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color: active ? const Color(0xFFC8956E) : const Color(0xFFF0E6D8),
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width: active ? 1.5 : 1,
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),
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),
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child: InkWell(
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borderRadius: BorderRadius.circular(14),
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onTap: () {
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ref.read(selectedAiConfigProvider.notifier).select(item.id);
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showToast(context, '已切换到「${item.name}」', icon: 'check');
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},
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child: Padding(
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padding: const EdgeInsets.fromLTRB(14, 12, 8, 12),
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child: Row(
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children: [
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Icon(
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active ? Icons.radio_button_checked : Icons.radio_button_unchecked,
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size: 19,
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color: active ? const Color(0xFFC8956E) : const Color(0xFFD7CCC8),
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),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Flexible(
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child: Text(
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item.name,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(
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fontSize: 14.5,
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fontWeight: FontWeight.w600,
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color: Color(0xFF5D4037),
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),
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),
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),
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if (item.isDefault) ...[
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const SizedBox(width: 6),
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_tag('默认', const Color(0xFF8D6E63)),
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],
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if (!item.ready) ...[
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const SizedBox(width: 6),
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_tag('不可用', const Color(0xFFE53935)),
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],
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],
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),
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const SizedBox(height: 4),
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Text(
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item.model.isEmpty ? '未填模型名' : item.model,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 12, color: Color(0xFF8D6E63)),
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),
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const SizedBox(height: 2),
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Text(
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item.baseUrl.isEmpty ? '未填 base url' : item.baseUrl,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
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),
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if (item.apiKeyMasked.isNotEmpty) ...[
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const SizedBox(height: 2),
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Text(
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'key: ${item.apiKeyMasked}',
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style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
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),
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],
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],
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),
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),
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// 默认项不给编辑/删除的入口 —— 它的值来自服务器 .env
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if (item.editable)
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PopupMenuButton<String>(
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icon: const Icon(Icons.more_vert, size: 19, color: Color(0xFFBCAAA4)),
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onSelected: (v) {
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if (v == 'edit') {
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_openEditor(context, ref, item);
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} else {
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_confirmDelete(context, ref, item, customCount);
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}
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},
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itemBuilder: (_) => const [
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PopupMenuItem(value: 'edit', child: Text('编辑')),
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PopupMenuItem(value: 'delete', child: Text('删除')),
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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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Widget _tag(String text, Color color) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 1),
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.11),
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(text, style: TextStyle(fontSize: 10.5, color: color)),
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);
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}
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// ---------------- 增删改 ----------------
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Future<void> _openEditor(
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BuildContext context,
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WidgetRef ref,
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AiConfigItem? existing,
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) async {
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final saved = await showModalBottomSheet<bool>(
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context: context,
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backgroundColor: Colors.white,
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isScrollControlled: true,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
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),
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builder: (_) => _AiConfigEditor(existing: existing),
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);
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if (saved == true && context.mounted) {
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ref.invalidate(aiConfigsProvider);
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showToast(context, existing == null ? '已添加' : '已保存', icon: 'check');
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}
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}
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Future<void> _confirmDelete(
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BuildContext context,
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WidgetRef ref,
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AiConfigItem item,
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int customCount,
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) async {
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final ok = await showDialog<bool>(
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context: context,
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builder: (dialogContext) => AlertDialog(
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title: const Text('删除配置？', style: TextStyle(fontSize: 16)),
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content: Text(
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'「${item.name}」会被删掉。\n'
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'${customCount == 1 ? '删掉之后会自动回到「默认」（服务器 .env 那套）。' : ''}',
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style: const TextStyle(fontSize: 13, height: 1.6),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(dialogContext).pop(false),
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child: const Text('取消', style: TextStyle(color: Color(0xFF8D6E63))),
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),
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TextButton(
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onPressed: () => Navigator.of(dialogContext).pop(true),
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child: const Text('删除', style: TextStyle(color: Color(0xFFE53935))),
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),
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],
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),
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);
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if (ok != true || !context.mounted) return;
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try {
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await ref.read(aiApiProvider).deleteConfig(item.id!);
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if (!context.mounted) return;
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// 删掉的正好是当前选中的 → 退回默认，否则界面会显示一个不存在的名字
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if (ref.read(selectedAiConfigProvider) == item.id) {
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ref.read(selectedAiConfigProvider.notifier).select(null);
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}
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ref.invalidate(aiConfigsProvider);
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showToast(context, '已删除', icon: 'check');
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} on ApiException catch (e) {
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if (context.mounted) showToast(context, e.message, error: true);
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} catch (_) {
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if (context.mounted) showToast(context, '删除失败', error: true);
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}
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}
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}
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/// 新增 / 编辑配置的表单
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class _AiConfigEditor extends ConsumerStatefulWidget {
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const _AiConfigEditor({this.existing});
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/// null = 新增
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final AiConfigItem? existing;
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@override
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ConsumerState<_AiConfigEditor> createState() => _AiConfigEditorState();
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}
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class _AiConfigEditorState extends ConsumerState<_AiConfigEditor> {
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late final TextEditingController _name;
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late final TextEditingController _baseUrl;
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late final TextEditingController _apiKey;
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late final TextEditingController _model;
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bool _saving = false;
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bool get _isEdit => widget.existing != null;
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@override
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void initState() {
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super.initState();
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final e = widget.existing;
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_name = TextEditingController(text: e?.name ?? '');
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_baseUrl = TextEditingController(text: e?.baseUrl ?? '');
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// key 不回显（拿到的只是掩码），编辑时留空 = 不改动
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_apiKey = TextEditingController();
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_model = TextEditingController(text: e?.model ?? '');
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}
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@override
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void dispose() {
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_name.dispose();
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_baseUrl.dispose();
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_apiKey.dispose();
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_model.dispose();
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super.dispose();
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}
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Future<void> _save() async {
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final baseUrl = _baseUrl.text.trim();
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final model = _model.text.trim();
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final apiKey = _apiKey.text.trim();
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if (baseUrl.isEmpty) {
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showToast(context, 'base url 不能为空', error: true);
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return;
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}
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if (model.isEmpty) {
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showToast(context, '模型名称不能为空', error: true);
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return;
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}
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// 新增时 key 必填；编辑时留空表示不改
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if (!_isEdit && apiKey.isEmpty) {
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showToast(context, 'api key 不能为空', error: true);
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return;
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}
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setState(() => _saving = true);
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try {
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final api = ref.read(aiApiProvider);
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if (_isEdit) {
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await api.updateConfig(
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id: widget.existing!.id!,
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name: _name.text.trim(),
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baseUrl: baseUrl,
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model: model,
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apiKey: apiKey,
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);
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} else {
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await api.createConfig(
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name: _name.text.trim(),
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baseUrl: baseUrl,
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apiKey: apiKey,
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model: model,
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);
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}
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if (!mounted) return;
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Navigator.of(context).pop(true);
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} on ApiException catch (e) {
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if (!mounted) return;
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showToast(context, e.message, error: true);
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} catch (_) {
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if (!mounted) return;
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showToast(context, '保存失败', error: true);
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} finally {
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if (mounted) setState(() => _saving = 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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return Padding(
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padding: EdgeInsets.only(bottom: MediaQuery.viewInsetsOf(context).bottom),
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child: SafeArea(
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child: SingleChildScrollView(
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padding: const EdgeInsets.fromLTRB(20, 16, 20, 20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Center(
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child: Text(
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_isEdit ? '编辑配置' : '新增配置',
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: Color(0xFF5D4037),
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),
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),
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),
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const SizedBox(height: 18),
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_field(
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label: '名称',
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controller: _name,
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hint: '留空则用模型名，比如：DeepSeek 便宜',
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),
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_field(
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label: 'Base URL',
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controller: _baseUrl,
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hint: 'https://api.deepseek.com/v1',
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helper: '结尾不要带 /chat/completions',
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),
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_field(
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label: 'API Key',
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controller: _apiKey,
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hint: _isEdit && widget.existing!.apiKeyMasked.isNotEmpty
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? '留空表示不改动（当前 ${widget.existing!.apiKeyMasked}）'
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: 'sk-...',
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helper: _isEdit ? '留空 = 保持原来的 key' : '只存在你的服务器上，App 拿不到完整值',
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obscure: true,
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),
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_field(
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label: '模型名称',
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controller: _model,
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hint: 'deepseek-chat / qwen-plus / glm-4 …',
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),
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const SizedBox(height: 6),
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_presetHint(),
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const SizedBox(height: 18),
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Row(
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children: [
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Expanded(
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child: SizedBox(
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height: 46,
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child: OutlinedButton(
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onPressed: _saving ? null : () => Navigator.of(context).pop(),
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style: OutlinedButton.styleFrom(
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foregroundColor: const Color(0xFFC8956E),
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side: const BorderSide(color: Color(0xFFC8956E)),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(23),
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),
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),
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child: const Text('取消'),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: SizedBox(
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height: 46,
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child: FilledButton(
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onPressed: _saving ? null : _save,
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style: FilledButton.styleFrom(
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backgroundColor: const Color(0xFFC8956E),
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(23),
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),
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),
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child: _saving
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? const SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Text('保存'),
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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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/// 常用厂商的地址提示。不自动填充 —— 填错了比不填更难查。
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Widget _presetHint() {
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return Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: const Color(0xFFF7F4F1),
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borderRadius: BorderRadius.circular(10),
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),
|
||
child: const Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(
|
||
'常用地址（供参考）',
|
||
style: TextStyle(fontSize: 11.5, color: Color(0xFF8D6E63)),
|
||
),
|
||
SizedBox(height: 6),
|
||
Text(
|
||
'DeepSeek https://api.deepseek.com/v1\n'
|
||
'通义 https://dashscope.aliyuncs.com/compatible-mode/v1\n'
|
||
'智谱 https://open.bigmodel.cn/api/paas/v4\n'
|
||
'OpenAI https://api.openai.com/v1',
|
||
style: TextStyle(
|
||
fontSize: 10.5,
|
||
height: 1.8,
|
||
color: Color(0xFFBCAAA4),
|
||
fontFamily: 'monospace',
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _field({
|
||
required String label,
|
||
required TextEditingController controller,
|
||
required String hint,
|
||
String? helper,
|
||
bool obscure = false,
|
||
}) {
|
||
return Padding(
|
||
padding: const EdgeInsets.only(bottom: 14),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(label, style: const TextStyle(fontSize: 13, color: Color(0xFF8D6E63))),
|
||
const SizedBox(height: 6),
|
||
Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 14),
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF7F4F1),
|
||
borderRadius: BorderRadius.circular(10),
|
||
),
|
||
child: TextField(
|
||
controller: controller,
|
||
obscureText: obscure,
|
||
autocorrect: false,
|
||
enableSuggestions: false,
|
||
style: const TextStyle(fontSize: 14, color: Color(0xFF5D4037)),
|
||
decoration: InputDecoration(
|
||
border: InputBorder.none,
|
||
isDense: true,
|
||
contentPadding: const EdgeInsets.symmetric(vertical: 13),
|
||
hintText: hint,
|
||
hintStyle: const TextStyle(fontSize: 13.5, color: Color(0xFFD7CCC8)),
|
||
),
|
||
),
|
||
),
|
||
if (helper != null)
|
||
Padding(
|
||
padding: const EdgeInsets.only(top: 4, left: 2),
|
||
child: Text(
|
||
helper,
|
||
style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|