import 'dart:io';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:shirne_dialog/shirne_dialog.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';

import 'controller/app.dart';
import 'controller/chat.dart';

// 引入路由配置
import 'router/index.dart';

void main() async {
  // 初始化存储服务
  await GetStorage.init();

  // 将.env文件内容加载到dotenv中
  await dotenv.load(fileName: '.env');

  // 注册GetxController
  Get.put(AppStore());
  Get.put(ChatStore());

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    // 获取AppStore实例
    final appStore = AppStore.to;
    
    return GetMaterialApp(
      title: 'Flutter3 DeepSeek',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Color(0xFF4F6BFE)),
        useMaterial3: true,
        fontFamily: Platform.isWindows ? 'Microsoft YaHei' : null,
      ),
      // 初始路由
      initialRoute: appStore.isLogin ? '/' : '/login',
      // 路由页面
      getPages: routePages,
      navigatorKey: MyDialog.navigatorKey,
      localizationsDelegates: [
        ShirneDialogLocalizations.delegate,
      ],
    );
  }
}

@override
Widget build(BuildContext context) {
  return Scaffold(
    key: scaffoldKey,
    backgroundColor: Colors.white,
    appBar: AppBar(
      ...
      actions: [
        IconButton(icon: Icon(Icons.try_sms_star_outlined), onPressed: () => handleCreate(),),
      ],
    ),
    body: Center(
      child: ConstrainedBox(
        constraints: BoxConstraints(
          maxWidth: 750.0,
        ),
        child: Flex(
          direction: Axis.vertical,
          children: [
            Expanded(
              child: Stack(
                children: [
                  GestureDetector(
                    child: ScrollConfiguration(
                      behavior: CustomScrollBehavior().copyWith(scrollbars: false),
                      // GetBuilder响应流式输出
                      child: Obx(() {
                        if (chatStore.currentMessages.isEmpty) {
                          // 欢迎信息
                          return Welcome(
                            onChanged: (value) {
                              textEditingController.text = value;
                            },
                          );
                        }
                        return ListView.builder(
                          keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.onDrag, // 当滚动时候隐藏键盘
                          controller: scrollController,
                          padding: EdgeInsets.all(10.0),
                          reverse: true,
                          shrinkWrap: true,
                          itemCount: chatStore.currentMessages.length,
                          itemBuilder: (context, index) {
                            ...
                          }
                        );
                      }),
                    ),
                    onTap: () {
                      focusNode.unfocus();
                    },
                  ),
                  // 滚动到底部
                  AnimatedPositioned(
                    ...
                  ),
                ],
              ),
            ),
            // 底部编辑器区域
            ChatEditor(controller: textEditingController),
          ]
        ),
      ),
    ),
    // 侧边栏
    drawer: Drawer(
      child: Sidebar(),
    ),
  );
}

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:flutter_highlight/flutter_highlight.dart';
import 'package:flutter_highlight/themes/github.dart';
import 'package:url_launcher/url_launcher.dart';
import 'package:easy_image_viewer/easy_image_viewer.dart';
import 'package:markdown/markdown.dart' as md;

class FMarkdown extends StatefulWidget {
  const FMarkdown({
    super.key,
    required this.data,
  });

  final String data;

  @override
  State<FMarkdown> createState() => _FMarkdownState();
}

class _FMarkdownState extends State<FMarkdown> {
  @override
  Widget build(BuildContext context) {
    return MarkdownBody(
      data: widget.data,
      fitContent: false,
      styleSheet: MarkdownStyleSheet(
        blockSpacing: 12.0,
        // 表格
        tableBorder: TableBorder.all(color: Colors.black12),
        // 水平线
        horizontalRuleDecoration: BoxDecoration(
          border: Border(top: BorderSide(color: Colors.black12, width: 1.0)),
        ),
        // 代码块
        codeblockDecoration: BoxDecoration(
          color: Color(0xfff8f8f8),
          borderRadius: BorderRadius.circular(10.0),
        ),
        // 引用
        blockquotePadding: EdgeInsets.only(left: 16.0, top: 8.0, bottom: 8.0),
        blockquoteDecoration: BoxDecoration(
          border: Border(left: BorderSide(color: Colors.black12, width: 4.0)),
        )
      ),
      builders: {
        // 自定义代码/代码块构建
        'code': CustomCodeBuilder(),
      },
      // 自定义图片构建
      sizedImageBuilder: (config) => ImageBuilderWidget(config: config),
      // 点击链接
      onTapLink: (text, href, title) async {
        if (href != null) {
          if(await canLaunchUrl(Uri.parse(href))) {
            await launchUrl(Uri.parse(href));
          }else {
            debugPrint('无法访问 $href');
          }
        }
      },
    );
  }
}