import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:file_picker/file_picker.dart';
import 'package:moxplatform/moxplatform.dart';
import 'package:path/path.dart';

/// The id of the notification channel.
const channelId = "me.polynom.moxplatform.testing3";
const otherChannelId = "me.polynom.moxplatform.testing4";

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

class Sender {
  const Sender(this.name, this.jid);

  final String name;

  final String jid;
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  MyAppState createState() => MyAppState();
}

class MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Moxplatform Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  MyHomePageState createState() => MyHomePageState();
}

class MyHomePageState extends State<MyHomePage> {
  /// List of "Message senders".
  final List<Sender> senders = const [
    Sender('Mash Kyrielight', 'mash@example.org'),
    Sender('Rio Tsukatsuki', 'rio@millenium'),
    Sender('Raiden Shogun', 'raiden@tevhat'),
  ];

  Future<void> _cryptoTest() async {
    final result = await FilePicker.platform.pickFiles();
    if (result == null) {
      return;
    }

    final start = DateTime.now();
    final path = result.files.single.path;
    final enc = await MoxplatformPlugin.crypto.encryptFile(
      path!,
      '$path.enc',
      Uint8List.fromList(List.filled(32, 1)),
      Uint8List.fromList(List.filled(16, 2)),
      CipherAlgorithm.aes256CbcPkcs7,
      'SHA-256',
    );
    final end = DateTime.now();

    final diff = end.millisecondsSinceEpoch - start.millisecondsSinceEpoch;
    // ignore: avoid_print
    print('TIME: ${diff / 1000}s');
    // ignore: avoid_print
    print('DONE (${enc != null})');
    final lengthEnc = await File('$path.enc').length();
    final lengthOrig = await File(path).length();
    // ignore: avoid_print
    print('Encrypted file is $lengthEnc Bytes large (Orig $lengthOrig)');

    await MoxplatformPlugin.crypto.decryptFile(
      '$path.enc',
      '$path.dec',
      Uint8List.fromList(List.filled(32, 1)),
      Uint8List.fromList(List.filled(16, 2)),
      CipherAlgorithm.aes256CbcPkcs7,
      'SHA-256',
    );
    // ignore: avoid_print
    print('DONE');

    final lengthDec = await File('$path.dec').length();
    // ignore: avoid_print
    print('Decrypted file is $lengthDec Bytes large (Orig $lengthOrig)');
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Moxplatform Demo'),
      ),
      body: Center(
        child: ListView(
          children: [
            ElevatedButton(
              onPressed: _cryptoTest,
              child: const Text('Test cryptography'),
            ),
            ElevatedButton(
              onPressed: () {
                MoxplatformPlugin.contacts.recordSentMessage('Hallo', 'Welt');
              },
              child: const Text('Test recordSentMessage (no fallback)'),
            ),
            ElevatedButton(
              onPressed: () {
                MoxplatformPlugin.contacts.recordSentMessage('Person', 'Person',
                    fallbackIcon: FallbackIconType.person);
              },
              child: const Text('Test recordSentMessage (person fallback)'),
            ),
            ElevatedButton(
              onPressed: () {
                MoxplatformPlugin.contacts.recordSentMessage('Notes', 'Notes',
                    fallbackIcon: FallbackIconType.notes);
              },
              child: const Text('Test recordSentMessage (notes fallback)'),
            ),
            ElevatedButton(
              onPressed: () async {
                // ignore: avoid_print
                print(await MoxplatformPlugin.platform.getPersistentDataPath());
              },
              child: const Text('Get data directory'),
            ),
            ElevatedButton(
              onPressed: () async {
                // ignore: avoid_print
                print(await MoxplatformPlugin.platform.getCacheDataPath());
              },
              child: const Text('Get cache directory'),
            ),
            ElevatedButton(
              onPressed: () async {
                // ignore: avoid_print
                print(await MoxplatformPlugin.platform
                    .isIgnoringBatteryOptimizations());
              },
              child: const Text('Is battery optimised?'),
            ),
            ElevatedButton(
              onPressed: () async {
                await MoxplatformPlugin.platform
                    .openBatteryOptimisationSettings();
              },
              child: const Text('Open battery optimisation page'),
            ),
            ElevatedButton(
              onPressed: () async {
                final result = await FilePicker.platform.pickFiles(
                  type: FileType.video,
                );
                if (result == null) return;

                final path = result.files.single.path!;
                final storagePath =
                    await MoxplatformPlugin.platform.getPersistentDataPath();
                final mediaPath = join(storagePath, 'media');
                if (!Directory(mediaPath).existsSync()) {
                  await Directory(mediaPath).create(recursive: true);
                }

                final internalPath = join(mediaPath, basename(path));
                // ignore: avoid_print
                print('Copying file');
                await File(path).copy(internalPath);

                // ignore: avoid_print
                print('Generating thumbnail');
                final thumbResult =
                    await MoxplatformPlugin.platform.generateVideoThumbnail(
                  internalPath,
                  '$internalPath.thumbnail.jpg',
                  720,
                );
                // ignore: avoid_print
                print('Success: $thumbResult');

                // ignore: use_build_context_synchronously
                await showDialog<void>(
                  context: context,
                  builder: (context) => Image.file(
                    File('$internalPath.thumbnail.jpg'),
                  ),
                );
              },
              child: const Text('Thumbnail'),
            )
          ],
        ),
      ),
    );
  }
}