together_mobile/lib/screens/message/components/friend_message_bubble.dart

import 'dart:async';

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:hive_flutter/hive_flutter.dart';

import '/common/constants.dart';
import '/database/box_type.dart';
import '/models/contact_model.dart';
import '/models/init_get_it.dart';
import '/models/user_model.dart';
import '/request/server.dart';
import '/screens/message/components/attachment_container.dart';

class FriendMessageBubble extends StatefulWidget {
  const FriendMessageBubble({
    super.key,
    required this.index,
    required this.length,
    required this.contactId,
    required this.senderId,
    required this.type,
    required this.dateTime,
    required this.isShowTime,
    required this.text,
    required this.attachments,
    required this.allAttachments,
  });

  final int index, length;
  final String contactId, senderId, type, dateTime, text;
  final bool isShowTime;
  final List<String> attachments, allAttachments;

  @override
  State<FriendMessageBubble> createState() => _FriendMessageBubbleState();
}

class _FriendMessageBubbleState extends State<FriendMessageBubble> {
  // add late here so you can access widget instance
  late bool _isHideMsg;
  Timer? _timer;

  @override
  void initState() {
    super.initState();
    final chatSettingBox = Hive.box<ChatSetting>('chat_setting');
    late final chatSetting = chatSettingBox.get(widget.contactId);
    _isHideMsg = chatSetting!.isHideMsg;
    if (_isHideMsg) {
      if (widget.index + 1 == widget.length) {
        _isHideMsg = false;
        _timer = Timer(
          const Duration(milliseconds: 3500),
          () {
            setState(() {
              _isHideMsg = true;
            });
          },
        );
      }
    }
  }

  @override
  void dispose() {
    super.dispose();
    if (_timer != null) {
      _timer!.cancel();
    }
  }

  @override
  Widget build(BuildContext context) {
    bool isFriend = widget.senderId == widget.contactId;

    return Container(
      padding: const EdgeInsets.symmetric(
        vertical: kDefaultPadding / 2,
        horizontal: kDefaultPadding,
      ),
      child: Column(
        children: [
          // message date time
          if (widget.isShowTime)
            SizedBox(
              height: 35.0,
              child: Text(
                widget.dateTime,
                style: const TextStyle(
                  color: kUnActivatedColor,
                ),
              ),
            ),
          Row(
            textDirection: isFriend ? TextDirection.ltr : TextDirection.rtl,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              isFriend
                  ? getIt
                          .get<ContactAccountProfile>()
                          .friends[widget.contactId]!
                          .avatar
                          .isEmpty
                      ? CircleAvatar(
                          child: Image.asset('assets/images/user_2.png'),
                        )
                      : CircleAvatar(
                          backgroundImage: CachedNetworkImageProvider(
                            '$userAvatarsUrl/${getIt.get<ContactAccountProfile>().friends[widget.contactId]!.avatar}',
                          ),
                        )
                  : CircleAvatar(
                      backgroundImage: CachedNetworkImageProvider(
                        '$userAvatarsUrl/${getIt.get<UserProfile>().avatar}',
                      ),
                    ),
              const SizedBox(
                width: 10,
              ),
              Expanded(
                child: Column(
                  crossAxisAlignment: isFriend
                      ? CrossAxisAlignment.start
                      : CrossAxisAlignment.end,
                  children: [
                    if (widget.type == 'text/multipart')
                      // message box
                      Container(
                        padding: const EdgeInsets.fromLTRB(10, 10, 10, 0),
                        decoration: BoxDecoration(
                          color: isFriend
                              ? const Color.fromARGB(255, 241, 241, 241)
                              : kPrimaryColor,
                          borderRadius: BorderRadius.circular(10.0),
                        ),
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            if (_isHideMsg) const Text('消息已隐藏'),
                            // text message content
                            if (widget.text.isNotEmpty && !_isHideMsg)
                              Text(
                                widget.text,
                                textWidthBasis: TextWidthBasis.longestLine,
                              ),
                            const SizedBox(
                              height: 10,
                            ),
                            // image content if has
                            if (widget.attachments.isNotEmpty && !_isHideMsg)
                              ...List.generate(
                                widget.attachments.length,
                                (int index) {
                                  return AttachmentContainer(
                                    isMyself: !isFriend,
                                    filename: widget.attachments[index],
                                    onTapImage: _onTapImage,
                                  );
                                },
                              ),
                          ],
                        ),
                      ),
                  ],
                ),
              ),
            ],
          ),
          if (_isHideMsg)
            TextButton(
              onPressed: () {
                setState(() {
                  _isHideMsg = false;
                });
              },
              style: TextButton.styleFrom(
                padding: EdgeInsets.zero,
                tapTargetSize: MaterialTapTargetSize.shrinkWrap,
              ),
              child: const Text('显示消息'),
            )
        ],
      ),
    );
  }

  void _onTapImage(String attachment) {
    int attachmentIndex = widget.allAttachments.indexWhere(
      (element) => element == attachment,
    );

    context.pushNamed(
      'ImageView',
      extra: {
        'attachments': widget.allAttachments,
        'index': attachmentIndex,
      },
    );
  }
}