// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:async';

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:device_info/device_info.dart';

void main() {
  runZoned(() {
    runApp(new MyApp());
  }, onError: (dynamic error, dynamic stack) {
    print(error);
    print(stack);
  });
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  static final DeviceInfoPlugin deviceInfoPlugin = new DeviceInfoPlugin();
  Map<String, dynamic> _deviceData = <String, dynamic>{};

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

  Future<Null> initPlatformState() async {
    Map<String, dynamic> deviceData;

    try {
      if (Platform.isAndroid) {
        deviceData = _readAndroidBuildData(await deviceInfoPlugin.androidInfo);
      } else if (Platform.isIOS) {
        deviceData = _readIosDeviceInfo(await deviceInfoPlugin.iosInfo);
      }
    } on PlatformException {
      deviceData = <String, dynamic>{
        'Error:': 'Failed to get platform version.'
      };
    }

    if (!mounted) return;

    setState(() {
      _deviceData = deviceData;
    });
  }

  Map<String, dynamic> _readAndroidBuildData(AndroidDeviceInfo build) {
    return <String, dynamic>{
      'version.securityPatch': build.version.securityPatch,
      'version.sdkInt': build.version.sdkInt,
      'version.release': build.version.release,
      'version.previewSdkInt': build.version.previewSdkInt,
      'version.incremental': build.version.incremental,
      'version.codename': build.version.codename,
      'version.baseOS': build.version.baseOS,
      'board': build.board,
      'bootloader': build.bootloader,
      'brand': build.brand,
      'device': build.device,
      'display': build.display,
      'fingerprint': build.fingerprint,
      'hardware': build.hardware,
      'host': build.host,
      'id': build.id,
      'manufacturer': build.manufacturer,
      'model': build.model,
      'product': build.product,
      'supported32BitAbis': build.supported32BitAbis,
      'supported64BitAbis': build.supported64BitAbis,
      'supportedAbis': build.supportedAbis,
      'tags': build.tags,
      'type': build.type,
      'isPhysicalDevice': build.isPhysicalDevice,
    };
  }

  Map<String, dynamic> _readIosDeviceInfo(IosDeviceInfo data) {
    return <String, dynamic>{
      'name': data.name,
      'systemName': data.systemName,
      'systemVersion': data.systemVersion,
      'model': data.model,
      'localizedModel': data.localizedModel,
      'identifierForVendor': data.identifierForVendor,
      'isPhysicalDevice': data.isPhysicalDevice,
      'utsname.sysname:': data.utsname.sysname,
      'utsname.nodename:': data.utsname.nodename,
      'utsname.release:': data.utsname.release,
      'utsname.version:': data.utsname.version,
      'utsname.machine:': data.utsname.machine,
    };
  }

  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: new Text(
              Platform.isAndroid ? 'Android Device Info' : 'iOS Device Info'),
        ),
        body: new ListView(
          shrinkWrap: true,
          children: _deviceData.keys.map((String property) {
            return new Row(
              children: <Widget>[
                new Container(
                  padding: const EdgeInsets.all(10.0),
                  child: new Text(
                    property,
                    style: const TextStyle(
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
                new Expanded(
                    child: new Container(
                  padding: const EdgeInsets.fromLTRB(0.0, 10.0, 0.0, 10.0),
                  child: new Text(
                    '${_deviceData[property]}',
                    overflow: TextOverflow.ellipsis,
                  ),
                )),
              ],
            );
          }).toList(),
        ),
      ),
    );
  }
}
