OpenContacts/lib/main.dart

import 'dart:developer';

import 'package:contacts_plus_plus/apis/github_api.dart';
import 'package:contacts_plus_plus/client_holder.dart';
import 'package:contacts_plus_plus/clients/api_client.dart';
import 'package:contacts_plus_plus/clients/messaging_client.dart';
import 'package:contacts_plus_plus/clients/session_client.dart';
import 'package:contacts_plus_plus/clients/settings_client.dart';
import 'package:contacts_plus_plus/models/sem_ver.dart';
import 'package:contacts_plus_plus/widgets/friends/friends_list.dart';
import 'package:contacts_plus_plus/widgets/friends/friends_list_app_bar.dart';
import 'package:contacts_plus_plus/widgets/login_screen.dart';
import 'package:contacts_plus_plus/widgets/sessions/session_list.dart';
import 'package:contacts_plus_plus/widgets/sessions/session_list_app_bar.dart';
import 'package:contacts_plus_plus/widgets/settings_app_bar.dart';
import 'package:contacts_plus_plus/widgets/settings_page.dart';
import 'package:contacts_plus_plus/widgets/update_notifier.dart';
import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:flutter_phoenix/flutter_phoenix.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:intl/intl.dart';
import 'package:logging/logging.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:provider/provider.dart';
import 'models/authentication_data.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  Provider.debugCheckInvalidValueType = null;
  await Hive.initFlutter();
  final dateFormat = DateFormat.Hms();
  Logger.root.onRecord.listen(
      (event) => log("${dateFormat.format(event.time)}: ${event.message}", name: event.loggerName, time: event.time));
  final settingsClient = SettingsClient();
  await settingsClient.loadSettings();
  final newSettings =
      settingsClient.currentSettings.copyWith(machineId: settingsClient.currentSettings.machineId.valueOrDefault);
  await settingsClient.changeSettings(newSettings); // Save generated machineId to disk
  AuthenticationData cachedAuth = AuthenticationData.unauthenticated();
  try {
    cachedAuth = await ApiClient.tryCachedLogin();
  } catch (_) {}
  runApp(ContactsPlusPlus(settingsClient: settingsClient, cachedAuthentication: cachedAuth));
}

class ContactsPlusPlus extends StatefulWidget {
  const ContactsPlusPlus({required this.settingsClient, required this.cachedAuthentication, super.key});

  final SettingsClient settingsClient;
  final AuthenticationData cachedAuthentication;

  @override
  State<ContactsPlusPlus> createState() => _ContactsPlusPlusState();
}

class _ContactsPlusPlusState extends State<ContactsPlusPlus> {
  static const List<Widget> _appBars = [
    FriendsListAppBar(
      key: ValueKey("friends_list_app_bar"),
    ),
    SessionListAppBar(
      key: ValueKey("session_list_app_bar"),
    ),
    SettingsAppBar(
      key: ValueKey("settings_app_bar"),
    )
  ];

  final Typography _typography = Typography.material2021(platform: TargetPlatform.android);
  final PageController _pageController = PageController();
  late AuthenticationData _authData = widget.cachedAuthentication;

  bool _checkedForUpdate = false;
  int _selectedPage = 0;

  void showUpdateDialogOnFirstBuild(BuildContext context) {
    final navigator = Navigator.of(context);
    final settings = ClientHolder.of(context).settingsClient;
    if (_checkedForUpdate) return;
    _checkedForUpdate = true;
    GithubApi.getLatestTagName().then((remoteVer) async {
      final currentVer = (await PackageInfo.fromPlatform()).version;
      SemVer currentSem;
      SemVer remoteSem;
      SemVer lastDismissedSem;

      try {
        currentSem = SemVer.fromString(currentVer);
      } catch (_) {
        currentSem = SemVer.zero();
      }

      try {
        lastDismissedSem = SemVer.fromString(settings.currentSettings.lastDismissedVersion.valueOrDefault);
      } catch (_) {
        lastDismissedSem = SemVer.zero();
      }

      try {
        remoteSem = SemVer.fromString(remoteVer);
      } catch (_) {
        return;
      }

      if (remoteSem <= lastDismissedSem && lastDismissedSem.isNotZero) {
        return;
      }

      if (remoteSem > currentSem && navigator.overlay?.context != null && context.mounted) {
        showDialog(
          context: navigator.overlay!.context,
          builder: (context) {
            return UpdateNotifier(
              remoteVersion: remoteSem,
              localVersion: currentSem,
            );
          },
        );
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Phoenix(
      child: Builder(builder: (context) {
        return ClientHolder(
          settingsClient: widget.settingsClient,
          authenticationData: _authData,
          onLogout: () {
            setState(() {
              _authData = AuthenticationData.unauthenticated();
            });
            Phoenix.rebirth(context);
          },
          child: DynamicColorBuilder(
            builder: (ColorScheme? lightDynamic, ColorScheme? darkDynamic) => MaterialApp(
              debugShowCheckedModeBanner: false,
              title: 'Contacts++',
              theme: ThemeData(
                useMaterial3: true,
                textTheme: _typography.black,
                colorScheme:
                    lightDynamic ?? ColorScheme.fromSeed(seedColor: Colors.purple, brightness: Brightness.light),
              ),
              darkTheme: ThemeData(
                useMaterial3: true,
                textTheme: _typography.white,
                colorScheme: darkDynamic ?? ColorScheme.fromSeed(seedColor: Colors.purple, brightness: Brightness.dark),
              ),
              themeMode: ThemeMode.values[widget.settingsClient.currentSettings.themeMode.valueOrDefault],
              home: Builder(
                // Builder is necessary here since we need a context which has access to the ClientHolder
                builder: (context) {
                  showUpdateDialogOnFirstBuild(context);
                  final clientHolder = ClientHolder.of(context);
                  return _authData.isAuthenticated
                      ? MultiProvider(
                          providers: [
                            Provider(
                              create: (context) => MessagingClient(
                                apiClient: clientHolder.apiClient,
                                notificationClient: clientHolder.notificationClient,
                              ),
                              dispose: (context, value) => value.dispose(),
                            ),
                            Provider(
                              create: (context) => SessionClient(
                                apiClient: clientHolder.apiClient,
                              ),
                            ),
                          ],
                          child: Scaffold(
                            appBar: PreferredSize(
                              preferredSize: const Size.fromHeight(kToolbarHeight),
                              child: AnimatedSwitcher(
                                duration: const Duration(milliseconds: 200),
                                child: _appBars[_selectedPage],
                              ),
                            ),
                            body: PageView(
                              controller: _pageController,
                              children: const [
                                FriendsList(),
                                SessionList(),
                                SettingsPage(),
                              ],
                            ),
                            bottomNavigationBar: Container(
                              decoration: BoxDecoration(
                                border: const Border(top: BorderSide(width: 1, color: Colors.black)),
                                color: Theme.of(context).colorScheme.background,
                              ),
                              child: BottomNavigationBar(
                                selectedItemColor: Theme.of(context).colorScheme.primary,
                                currentIndex: _selectedPage,
                                onTap: (index) {
                                  _pageController.animateToPage(
                                    index,
                                    duration: const Duration(milliseconds: 200),
                                    curve: Curves.easeOut,
                                  );
                                  setState(() {
                                    _selectedPage = index;
                                  });
                                },
                                items: const [
                                  BottomNavigationBarItem(
                                    icon: Icon(Icons.message),
                                    label: "Chat",
                                  ),
                                  BottomNavigationBarItem(
                                    icon: Icon(Icons.public),
                                    label: "Sessions",
                                  ),
                                  BottomNavigationBarItem(
                                    icon: Icon(Icons.settings),
                                    label: "Settings",
                                  ),
                                ],
                              ),
                            ),
                          ),
                        )
                      : LoginScreen(
                          onLoginSuccessful: (AuthenticationData authData) async {
                            if (authData.isAuthenticated) {
                              setState(() {
                                _authData = authData;
                              });
                            }
                          },
                        );
                },
              ),
            ),
          ),
        );
      }),
    );
  }
}