import 'dart:math';

import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

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

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  TextEditingController _controller = TextEditingController();

  @override
  void initState() {
    super.initState();

    _controller.text = """Tweak directional focus traversal by @gspencergoog in 116230
[framework] make ImageFiltered a repaint boundary by @jonahwilliams in 116385
[CP] Fix Snackbar TalkBack regression by @esouthren in 116417
Add widget of the week videos by @tvolkert in 116451
Speed up first asset load by encoding asset manifest in binary rather than JSON by @andrewkolos in 113637
Improve Flex layout comment by @loic-sharma in 116004
Do not parse stack traces in _findResponsibleMethod on Web platforms that use a different format by @jason-simmons in 115500
Support theming CupertinoSwitchs by @guidezpl in 116510
Fix MenuAnchor padding by @gspencergoog in 116573
Add ListenableBuilder with examples by @gspencergoog in 116543
Time picker precursors by @gspencergoog in 116450
Date picker special labeling for currentDate with localization and te… by @harperl-lgtm in 116433
Adds API in semanticsconfiguration to decide how to merge child semanticsConfigurations by @chunhtai in 110730
Revert “Speed up first asset load by encoding asset manifest in binary rather than JSON” by @CaseyHillers in 116662
Reland “Use semantics label for backbutton and closebutton for Android” by @chunhtai in 115776
Revert “Use semantics label for backbutton and closebutton for Android” by @chunhtai in 116675
LookupBoundary by @goderbauer in 116429
Reland “Use semantics label for backbutton and closebutton for Android” by @chunhtai in 116676
Fix wrong position of TabBarIndicator when it’s label size and has label padding by @zmtzawqlp in 116398
Add CupertinoSliverNavigationBar large title magnification on over scroll by @ivirtex in 110127
Update text field input width when there are prefix/suffix icons by @hangyujin in 116690
Add Material 3 support for ListTile - Part 1 by @TahaTesser in 116194
MediaQuery as InheritedModel by @moffatman in 114459
Add LookupBoundary to Material by @goderbauer in 116736
Floating cursor cleanup by @moffatman in 116746
Revert “Adds API in semanticsconfiguration to decide how to merge child semanticsConfigurations” by @CaseyHillers in 116839
More gracefully handle license loading failures by @Hixie in 87841
Taboo the word “simply” from our API documentation. by @Hixie in 116061
Fix NavigationBar ripple for non-default NavigationDestinationLabelBehavior by @TahaTesser in 116888
Add LookupBoundary to Overlay by @goderbauer in 116741
[framework] make opacity widget create a repaint boundary by @j""";
    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
      _recomputeLongestLine();
      setState(() {});
    });
  }

  String _longestLine = '';

  void _recomputeLongestLine() {
    _longestLine = '';
    final _lines = _controller.text.split('\n');
    final buf = <String>[];

    for (var k = 0; k < _lines.length; k++) {
      buf.add((k + 1).toString());
    }
    // Find longest line
    _longestLine = '';
    for (var line in _lines) {
      if (line.length > _longestLine.length) _longestLine = line;
    }

    print("Longest: ${_longestLine}");
  }

  Widget _buildLongestLinePlaceHolder(double minWidth) {
    return ConstrainedBox(
      constraints: BoxConstraints(
        maxHeight: 0,
        minWidth: max(minWidth, 0),
      ),
      child: Padding(
        padding: const EdgeInsets.only(right: 16),
        child: Text(_longestLine, style: TextStyle(fontSize: 16)),
      ), // Add extra padding
    );
  }

  Widget _wrapInHorizontalScrollView({required Widget child}) {
    return LayoutBuilder(builder: (context, constraints) {
      return SingleChildScrollView(
        clipBehavior: Clip.none,
        scrollDirection: Axis.horizontal,
        child: IntrinsicWidth(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              _buildLongestLinePlaceHolder(constraints.maxWidth),
              child,
            ],
          ),
        ),
      );
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Container(
          height: 600,
          width: 600,
          color: Colors.yellowAccent,
          child: SingleChildScrollView(
            physics: const ClampingScrollPhysics(),
            child: _wrapInHorizontalScrollView(
              child: TextField(
                scrollPhysics: const NeverScrollableScrollPhysics(),
                scrollPadding: EdgeInsets.zero,
                controller: _controller,
                keyboardType: TextInputType.multiline,
                decoration: null,
                maxLines: null,
                enabled: true,
                onChanged: (t) {},
                readOnly: false,
                clipBehavior: Clip.none,
              ),
            ),
          ),
        ),
      ),
    );
  }
}

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.10.0, on macOS 13.2.1 22D68 darwin-arm64)
[!] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
    ✗ cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    ✗ Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.
[✓] Xcode - develop for iOS and macOS (Xcode 14.3)
[✗] Chrome - develop for the web (Cannot find Chrome executable at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[✓] Android Studio (version 2021.2)
[✓] IntelliJ IDEA Ultimate Edition (version 2023.1)
[✓] VS Code (version 1.78.0)
[✓] Connected device (2 available)
[✓] Network resources