flutter_chat/packages/flutter_chat_view/example/lib/main.dart

// SPDX-FileCopyrightText: 2022 Iconica
//
// SPDX-License-Identifier: BSD-3-Clause

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_chat_view/flutter_chat_view.dart';

void main() {
  runApp(const MaterialApp(home: MyStatefulWidget()));
}

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

  @override
  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State<MyStatefulWidget> {
  static final pietUser = ChatUserModel(
    id: 'piet',
    firstName: 'Piet',
    lastName: 'Jansen',
    imageUrl: 'https://xsgames.co/randomusers/avatar.php?g=female',
  );

  static final janUser = ChatUserModel(
    firstName: 'Jan',
    lastName: 'Jansen',
    imageUrl: 'https://xsgames.co/randomusers/avatar.php?g=male',
  );

  static final messages = [
    ChatTextMessageModel(
      sender: pietUser,
      text: 'Hoe gaat het?',
      timestamp: DateTime.now(),
    ),
    ChatTextMessageModel(
      sender: janUser,
      text: 'Met mij gaat het goed, dankje!',
      timestamp: DateTime.now().subtract(const Duration(days: 2)),
    ),
    ChatTextMessageModel(
      sender: pietUser,
      text: 'Mooi zo!',
      timestamp: DateTime.now().subtract(const Duration(days: 1)),
    ),
    ChatTextMessageModel(
      sender: pietUser,
      text: 'Hoe gaat het?',
      timestamp: DateTime.now(),
    ),
    ChatTextMessageModel(
      sender: janUser,
      text: 'Met mij gaat het goed, dankje!',
      timestamp: DateTime.now().subtract(const Duration(days: 2)),
    ),
  ];

  static final chat = PersonalChatModel(
    user: ChatUserModel(
      firstName: 'Sjoerd',
      lastName: 'Sjagerars',
      imageUrl: 'https://xsgames.co/randomusers/avatar.php?g=female',
    ),
    lastUsed: DateTime.now(),
    messages: messages,
  );

  static final groupChat = GroupChatModel(
    title: 'Group chat',
    imageUrl: 'https://xsgames.co/randomusers/avatar.php?g=male',
    users: [pietUser, janUser],
    lastUsed: DateTime.now().subtract(const Duration(days: 1)),
    messages: messages,
    canBeDeleted: false,
  );

  Stream<List<ChatModel>> get chatStream => (() {
        late StreamController<List<ChatModel>> controller;
        controller = StreamController<List<ChatModel>>(
          onListen: () {
            controller.add([
              groupChat,
              chat,
            ]);
          },
        );
        return controller.stream;
      })();

  Stream<List<ChatTextMessageModel>> get messageStream => (() {
        late StreamController<List<ChatTextMessageModel>> controller;
        controller = StreamController<List<ChatTextMessageModel>>(
          onListen: () {
            controller.add(
              messages,
            );

            Future.delayed(
              const Duration(seconds: 5),
              () => controller.add(
                [
                  ...messages,
                  ...messages,
                ],
              ),
            );
          },
        );
        return controller.stream;
      })();

  @override
  Widget build(BuildContext context) {
    // return ChatScreen(
    //   service: ,
    //   options: options,
    //   onPressChat: (chat) => Navigator.of(context).push(
    //     MaterialPageRoute(
    //       builder: (context) => ChatDetailScreen(
    //         userId: 'piet',
    //         chat: chat,
    //         chatMessages: messageStream,
    //         options: options,
    //         onMessageSubmit: (text) async {
    //           return Future.delayed(
    //             const Duration(
    //               milliseconds: 500,
    //             ),
    //             () => debugPrint('onMessageSubmit'),
    //           );
    //         },
    //         onReadChat: (chat) async {},
    //         onUploadImage: (image) async {},
    //       ),
    //     ),
    //   ),
    //   onDeleteChat: (chat) => Future.delayed(
    //     const Duration(
    //       milliseconds: 500,
    //     ),
    //     () => debugPrint('onDeleteChat'),
    //   ),
    //   onPressStartChat: () => debugPrint('onPressStartChat'),
    // );
    return const Text('Example ');
  }
}