import 'package:dio/dio.dart';
import 'package:example/exif/customer_exif_Page.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:image_editor_plus/image_editor_plus.dart';

void main() {
  runApp(const MyApp());
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a purple toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      // home: const MyHomePage(title: 'Flutter Demo Home Page'),
      home: CustomerExifPage(),
    );
  }
}


/// Dio 最简版：网络图片转 Uint8List
Future<Uint8List?> networkImageToUint8ListWithDio(String imageUrl) async {
  final dio = Dio(); // 初始化 Dio 实例
  try {
    // 发起 GET 请求，响应类型设为字节数组（关键）
    final response = await dio.get<List<int>>(
      imageUrl,
      options: Options(responseType: ResponseType.bytes),
    );
    // 响应成功且数据非空时，直接转为 Uint8List
    return response.statusCode == 200 && response.data != null
        ? Uint8List.fromList(response.data!)
        : null;
  } catch (e) {
    print('图片转换失败：$e'); // 捕获网络错误、URL 非法等异常
    return null;
  }
}


class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final int _counter = 0;

  Future<void> _incrementCounter()async {
    String imageUrl = 'https://static.cop.jingheyijia.com/wxapp-map2/upload/moment/20251029/app-bpItvFOQufCL.jpg';
    Uint8List? imageBytes = await networkImageToUint8ListWithDio(imageUrl);
    ImageEditor.setI18n({
      'crop': '裁剪',
      'rotate left': '左旋转',
      'rotate right': '右旋转',
      'flip': '水平翻转',
      'brush': '涂抹',
      'link':'链接',
      'save': '保存',
      'text': '文本',
      'blur': '模糊',
      'filter': '滤镜',
      'size': '大小',
      'color': '颜色',
      'background color': '背景颜色',
      'background opacity': '背景透明度',
      'reset': '重置',
      'freeform': '自由裁剪',
      'remove': '移除',
      'emoji': '表情',
      'slider color': '滑块颜色',
      'color opacity': '透明度',
      'blur radius': '模糊半径',
    });
    if(mounted){
      final editedImage = await Navigator.push(
        context,
        MaterialPageRoute(
          builder: (context) => ImageEditor(
            image: imageBytes,
            blurOption: null,
            filtersOption: null,
            brushOption: null,
            textOption: null,
            emojiOption: null,
          ),
        ),
      );
      print(editedImage);
    }
  }


  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          //
          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
          // action in the IDE, or press "p" in the console), to see the
          // wireframe for each widget.
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}