import 'dart:math' as math;

import 'package:flutter/material.dart';
import 'package:web/web.dart' as web;

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: 'Spinning Platform View',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Spinning Platform View'),
    );
  }
}

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>
    with SingleTickerProviderStateMixin {
  late Animation<double> animation;
  late AnimationController controller;

  @override
  void initState() {
    super.initState();
    controller = AnimationController(
      duration: const Duration(seconds: 2),
      vsync: this,
    );
    animation =
        Tween<double>(begin: 0, end: 2 * math.pi).animate(controller)
          ..addListener(() {
            setState(() {});
          })
          ..addStatusListener((AnimationStatus status) {
            if (status == AnimationStatus.completed) {
              controller.repeat();
            }
          });
    controller.forward();
  }

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }

  @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(
        child: SizedBox(
          width: 300,
          height: 300,
          child: Transform.rotate(
            angle: animation.value,
            child: Stack(
              children: <Widget>[
                HtmlElementView.fromTagName(
                  tagName: 'div',
                  onElementCreated: (Object element) {
                    element as web.HTMLDivElement;
                    element.style.backgroundColor = 'red';
                  },
                ),
                Text('A RED PLATFORM VIEW'),
              ],
            ),
          ),
        ),
      ),
    );
  }
}