mohemm-flutter-app/lib/ui/chat/chat_bubble.dart

import 'dart:io';
import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:just_audio/just_audio.dart';
import 'package:mohem_flutter_app/api/chat/chat_api_client.dart';
import 'package:mohem_flutter_app/app_state/app_state.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/extensions/int_extensions.dart';
import 'package:mohem_flutter_app/extensions/string_extensions.dart';
import 'package:mohem_flutter_app/extensions/widget_extensions.dart';
import 'package:mohem_flutter_app/main.dart';
import 'package:mohem_flutter_app/models/chat/get_single_user_chat_list_model.dart';
import 'package:mohem_flutter_app/provider/chat_provider_model.dart';
import 'package:mohem_flutter_app/ui/chat/chat_full_image_preview.dart';
import 'package:mohem_flutter_app/ui/chat/common.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
import 'package:rxdart/rxdart.dart';

class ChatBubble extends StatelessWidget {
  ChatBubble({Key? key, required this.dateTime, required this.cItem}) : super(key: key);
  final String dateTime;
  final SingleUserChatModel cItem;

  bool isCurrentUser = false;

  bool isSeen = false;

  bool isReplied = false;

  bool isVoice = false;

  int? fileTypeID;

  String? fileTypeName;

  late ChatProviderModel provider;

  String? fileTypeDescription;

  bool isDelivered = false;

  String userName = '';

  late Offset screenOffset;

  void makeAssign() {
    isCurrentUser = cItem.currentUserId == AppState().chatDetails!.response!.id ? true : false;
    isSeen = cItem.isSeen == true ? true : false;
    isReplied = cItem.userChatReplyResponse != null ? true : false;
    // isVoice = cItem.fileTypeId == 13 && cItem.voiceController != null ? true : false;
    fileTypeID = cItem.fileTypeId;
    fileTypeName = cItem.fileTypeResponse != null ? cItem.fileTypeResponse!.fileTypeName : "";
    fileTypeDescription = cItem.fileTypeResponse != null ? cItem.fileTypeResponse!.fileTypeDescription : "";
    isDelivered = cItem.currentUserId == AppState().chatDetails!.response!.id && cItem.isDelivered == true ? true : false;
    userName = AppState().chatDetails!.response!.userName == cItem.currentUserName.toString() ? "You" : cItem.currentUserName.toString();
  }

  void playVoice(
    BuildContext context, {
    required SingleUserChatModel data,
  }) async {
    if (data.voice != null && data.voice!.existsSync()) {
      if (Platform.isIOS) {
        Duration? duration = await data.voiceController!.setAudioSource(MyCustomStream(data.voice!.readAsBytesSync()));
        await data.voiceController!.seek(duration);
        await data.voiceController!.setLoopMode(LoopMode.off);
        await data.voiceController!.setVolume(1.0);
        await data.voiceController!.load();
        data.voiceController!.play();
      } else {
        await data.voiceController!.setFilePath(data!.voice!.path);
        Duration? duration = await data.voiceController!.load();
        await data.voiceController!.seek(duration);
        await data.voiceController!.setLoopMode(LoopMode.off);
        await data.voiceController!.play();
      }
    } else {
      Utils.showLoading(context);
      Uint8List encodedString = await ChatApiClient().downloadURL(fileName: data.contant!, fileTypeDescription: provider.getFileTypeDescription(data.fileTypeResponse!.fileTypeName ?? ""));
      // try {
      File sFile = await provider.downChatVoice(encodedString, data.fileTypeResponse!.fileTypeName ?? "", data);
      if (sFile.path.isEmpty) {
        logger.d("Path Is Emptyyyyyyy");
      } else {
        logger.d("Path Exsists");
      }
      data.voice = sFile;
      if (Platform.isIOS) {
        logger.d("isIOS");
        Duration? duration = await data.voiceController!.setAudioSource(MyCustomStream(data.voice!.readAsBytesSync()));
        await data.voiceController!.seek(duration);
        await data.voiceController!.setLoopMode(LoopMode.off);
        await data.voiceController!.setVolume(1.0);
        await data.voiceController!.load();
        Utils.hideLoading(context);
        data.voiceController!.play();
      } else {
        Duration? duration = await data.voiceController!.setFilePath(sFile.path);
        await data.voiceController!.setLoopMode(LoopMode.off);
        await data.voiceController!.seek(duration);
        Utils.hideLoading(context);
        await data.voiceController!.play();
      }
    }
  }

  void pausePlaying(BuildContext context, {required SingleUserChatModel data}) async {
    await data.voiceController!.pause();
  }

  void rePlay(BuildContext context, {required SingleUserChatModel data}) async {
    if (data.voice != null && data.voice!.existsSync()) {
      await data.voiceController!.seek(Duration.zero);
      await data.voiceController!.play();
    }
  }

  Stream<PositionData> get _positionDataStream => Rx.combineLatest3<Duration, Duration, Duration?, PositionData>(cItem.voiceController!.positionStream, cItem.voiceController!.bufferedPositionStream,
      cItem.voiceController!.durationStream, (Duration position, Duration bufferedPosition, Duration? duration) => PositionData(position, bufferedPosition, duration ?? Duration.zero));

  @override
  Widget build(BuildContext context) {
    Size windowSize = MediaQuery.of(context).size;
    screenOffset = Offset(windowSize.width / 2, windowSize.height / 2);
    makeAssign();
    provider = Provider.of<ChatProviderModel>(context, listen: false);
    return isCurrentUser ? currentUser(context) : receiptUser(context);
  }

  Widget currentUser(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        if (isReplied)
          ClipRRect(
            borderRadius: BorderRadius.circular(5.0),
            child: Container(
              width: double.infinity,
              decoration: BoxDecoration(
                border: Border(
                  left: BorderSide(width: 6, color: isCurrentUser ? MyColors.gradiantStartColor : MyColors.white),
                ),
                color: isCurrentUser ? MyColors.black.withOpacity(0.10) : MyColors.black.withOpacity(0.30),
              ),
              child: Row(
                children: [
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: <Widget>[
                      (userName).toText12(color: MyColors.gradiantStartColor, isBold: false).paddingOnly(right: 5, top: 5, bottom: 0, left: 5),
                      Directionality(
                        textDirection: provider.getTextDirection(cItem.userChatReplyResponse != null ? cItem.userChatReplyResponse!.contant.toString() : ""),
                        child: (cItem.userChatReplyResponse != null ? cItem.userChatReplyResponse!.contant.toString() : "")
                            .toText10(color: isCurrentUser ? MyColors.grey71Color : MyColors.white.withOpacity(0.5), isBold: false, maxlines: 4)
                            .paddingOnly(right: 5, top: 5, bottom: 8, left: 5),
                      ),
                    ],
                  ).expanded,
                  if (cItem.userChatReplyResponse != null)
                    if (cItem.userChatReplyResponse!.fileTypeId == 12 || cItem.userChatReplyResponse!.fileTypeId == 3 || cItem.userChatReplyResponse!.fileTypeId == 4)
                      ClipRRect(
                        borderRadius: BorderRadius.circular(8.0),
                        child: SizedBox(
                            height: 32,
                            width: 32,
                            child: showImage(
                                isReplyPreview: false,
                                fileName: cItem.userChatReplyResponse!.contant!,
                                fileTypeDescription: cItem.userChatReplyResponse!.fileTypeResponse!.fileTypeDescription ?? "image/jpg")),
                      ).paddingOnly(left: 10, right: 10, bottom: 16, top: 16),
                ],
              ),
            ),
          ).paddingOnly(bottom: 7).onPress(() {
            provider.scrollToMsg(cItem);
          }),
        if (fileTypeID == 12 || fileTypeID == 4 || fileTypeID == 3)
          ClipRRect(
            borderRadius: BorderRadius.circular(5.0),
            child: SizedBox(
              height: 140,
              width: 227,
              child: showImage(isReplyPreview: false, fileName: cItem.contant!, fileTypeDescription: cItem.fileTypeResponse!.fileTypeDescription).onPress(() {
                showDialog(
                  context: context,
                  anchorPoint: screenOffset,
                  builder: (BuildContext context) => ChatImagePreviewScreen(imgTitle: cItem.contant!, img: cItem.image!),
                );
              }),
            ),
          ).paddingOnly(bottom: 4),
        if (fileTypeID == 13 && cItem.voiceController != null)
          currentWaveBubble(context, cItem)
        else
          Row(
            children: [
              if (fileTypeID == 1 || fileTypeID == 5 || fileTypeID == 7 || fileTypeID == 6 || fileTypeID == 8
              //  || fileTypeID == 2
              )
                SvgPicture.asset(provider.getType(fileTypeName ?? ""), height: 30, width: 22, alignment: Alignment.center, fit: BoxFit.cover).paddingOnly(left: 0, right: 10),
              Directionality(textDirection: provider.getTextDirection(cItem.contant ?? ""), child: (cItem.contant ?? "").toText12().expanded),
              if (fileTypeID == 1 || fileTypeID == 5 || fileTypeID == 7 || fileTypeID == 6 || fileTypeID == 8
              //|| fileTypeID == 2
              )
                const Icon(Icons.remove_red_eye, size: 16)
            ],
          ),
        Align(
          alignment: Alignment.centerRight,
          child: Row(
            mainAxisSize: MainAxisSize.min,
            children: [
              dateTime.toText10(
                color: MyColors.grey41Color.withOpacity(.5),
              ),
              7.width,
              Icon(isDelivered ? Icons.done_all : Icons.done_all, color: isSeen ? MyColors.textMixColor : MyColors.grey9DColor, size: 14),
            ],
          ),
        ),
      ],
    ).paddingOnly(top: 11, left: 13, right: 13, bottom: 5).objectContainerView(disablePadding: true).paddingOnly(left: MediaQuery.of(context).size.width * 0.3);
  }

  Widget receiptUser(BuildContext context) {
    return Container(
      padding: const EdgeInsets.only(top: 11, left: 13, right: 13, bottom: 5),
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(10),
        gradient: const LinearGradient(
          transform: GradientRotation(.83),
          begin: Alignment.topRight,
          end: Alignment.bottomLeft,
          colors: <Color>[MyColors.gradiantEndColor, MyColors.gradiantStartColor],
        ),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          if (isReplied)
            ClipRRect(
              borderRadius: BorderRadius.circular(5.0),
              child: Container(
                width: double.infinity,
                decoration: BoxDecoration(
                  border: Border(left: BorderSide(width: 6, color: isCurrentUser ? MyColors.gradiantStartColor : MyColors.white)),
                  color: isCurrentUser ? MyColors.black.withOpacity(0.10) : MyColors.black.withOpacity(0.30),
                ),
                child: Row(
                  children: [
                    Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: <Widget>[
                        (userName).toText12(color: MyColors.gradiantStartColor, isBold: false).paddingOnly(right: 5, top: 5, bottom: 0, left: 5),
                        Directionality(
                          textDirection: provider.getTextDirection(cItem.userChatReplyResponse != null ? cItem.userChatReplyResponse!.contant.toString() : ""),
                          child: (cItem.userChatReplyResponse != null ? cItem.userChatReplyResponse!.contant.toString() : "")
                              .toText10(color: isCurrentUser ? MyColors.grey71Color : MyColors.white.withOpacity(0.5), isBold: false, maxlines: 4)
                              .paddingOnly(right: 5, top: 5, bottom: 8, left: 5),
                        ),
                      ],
                    ).expanded,
                    if (cItem.userChatReplyResponse != null)
                      if (cItem.userChatReplyResponse!.fileTypeId == 12 || cItem.userChatReplyResponse!.fileTypeId == 3 || cItem.userChatReplyResponse!.fileTypeId == 4)
                        ClipRRect(
                          borderRadius: BorderRadius.circular(8.0),
                          child: SizedBox(
                            height: 32,
                            width: 32,
                            child: showImage(
                                isReplyPreview: true,
                                fileName: cItem.userChatReplyResponse!.contant!,
                                fileTypeDescription: cItem.userChatReplyResponse!.fileTypeResponse!.fileTypeDescription ?? "image/jpg"),
                          ),
                        ).paddingOnly(left: 10, right: 10, bottom: 16, top: 16)
                  ],
                ),
              ),
            ).paddingOnly(bottom: 7).onPress(() {
              provider.scrollToMsg(cItem);
            }),
          if (fileTypeID == 12 || fileTypeID == 4 || fileTypeID == 3)
            ClipRRect(
              borderRadius: BorderRadius.circular(5.0),
              child: SizedBox(
                height: 140,
                width: 227,
                child: showImage(isReplyPreview: false, fileName: cItem.contant ?? "", fileTypeDescription: cItem.fileTypeResponse!.fileTypeDescription ?? "image/jpg").onPress(() {
                  showDialog(
                    context: context,
                    anchorPoint: screenOffset,
                    builder: (BuildContext context) => ChatImagePreviewScreen(imgTitle: cItem.contant ?? "", img: cItem.image!),
                  );
                }),
              ),
            ).paddingOnly(bottom: 4),
          if (fileTypeID == 13 && cItem.voiceController != null)
            recipetWaveBubble(context, cItem)
          else
            Row(
              children: [
                if (fileTypeID == 1 || fileTypeID == 5 || fileTypeID == 7 || fileTypeID == 6 || fileTypeID == 8
                // || fileTypeID == 2
                )
                  SvgPicture.asset(provider.getType(fileTypeName ?? ""), height: 30, width: 22, alignment: Alignment.center, fit: BoxFit.cover).paddingOnly(left: 0, right: 10),
                Directionality(textDirection: provider.getTextDirection(cItem.contant ?? ""), child: (cItem.contant ?? "").toText12(color: Colors.white).expanded),
                if (fileTypeID == 1 || fileTypeID == 5 || fileTypeID == 7 || fileTypeID == 6 || fileTypeID == 8
                //|| fileTypeID == 2
                )
                  const Icon(Icons.remove_red_eye, color: Colors.white, size: 16)
              ],
            ),
          Align(
            alignment: Alignment.centerRight,
            child: dateTime.toText10(
              color: Colors.white.withOpacity(.71),
            ),
          ),
        ],
      ),
    ).paddingOnly(right: MediaQuery.of(context).size.width * 0.3);
  }

  Widget voiceMsg(BuildContext context) {
    return Container();
  }

  Widget showImage({required bool isReplyPreview, required String fileName, required String fileTypeDescription}) {
    if (cItem.isImageLoaded! && cItem.image != null) {
      return Image.memory(
        cItem.image!,
        height: isReplyPreview ? 32 : 140,
        width: isReplyPreview ? 32 : 227,
        fit: BoxFit.cover,
        alignment: Alignment.center,
      );
    } else {
      return FutureBuilder<Uint8List>(
        future: ChatApiClient().downloadURL(fileName: fileName, fileTypeDescription: fileTypeDescription),
        builder: (BuildContext context, AsyncSnapshot<dynamic> snapshot) {
          if (snapshot.connectionState != ConnectionState.waiting) {
            if (snapshot.data == null) {
              return const SizedBox();
            } else {
              cItem.image = snapshot.data;
              cItem.isImageLoaded = true;
              return Image.memory(
                snapshot.data,
                height: isReplyPreview ? 32 : 140,
                width: isReplyPreview ? 32 : 227,
                fit: BoxFit.cover,
                alignment: Alignment.center,
              );
            }
          } else {
            return SizedBox(
              height: isReplyPreview ? 32 : 140,
              width: isReplyPreview ? 32 : 227,
            ).toShimmer();
          }
        },
      );
    }
  }

  Widget currentWaveBubble(BuildContext context, SingleUserChatModel data) {
    return Container(
      margin: const EdgeInsets.all(0),
      decoration: BoxDecoration(
        border: Border(
          left: BorderSide(width: 6, color: isCurrentUser ? MyColors.gradiantStartColor : MyColors.white),
        ),
        color: isCurrentUser ? MyColors.black.withOpacity(0.10) : MyColors.black.withOpacity(0.30),
      ),
      child: Row(
        children: [
          getPlayer(player: data.voiceController!, modelData: data),
          StreamBuilder<PositionData>(
            stream: _positionDataStream,
            builder: (BuildContext context, AsyncSnapshot<PositionData> snapshot) {
              PositionData? positionData = snapshot.data;
              return SeekBar(
                duration: positionData?.duration ?? Duration.zero,
                position: positionData?.position ?? Duration.zero,
                bufferedPosition: positionData?.bufferedPosition ?? Duration.zero,
                onChangeEnd: data.voiceController!.seek,
              ).expanded;
            },
          ),
        ],
      ),
    ).circle(5);
  }

  Widget recipetWaveBubble(BuildContext context, SingleUserChatModel data) {
    return Container(
      margin: const EdgeInsets.all(0),
      decoration: BoxDecoration(
        border: Border(
          left: BorderSide(width: 6, color: isCurrentUser ? MyColors.gradiantStartColor : MyColors.white),
        ),
        color: isCurrentUser ? MyColors.black.withOpacity(0.10) : MyColors.black.withOpacity(0.30),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.max,
        children: [
          getPlayer(player: data.voiceController!, modelData: data),
          StreamBuilder<PositionData>(
            stream: _positionDataStream,
            builder: (BuildContext context, AsyncSnapshot<PositionData> snapshot) {
              PositionData? positionData = snapshot.data;
              return SeekBar(
                duration: positionData?.duration ?? Duration.zero,
                position: positionData?.position ?? Duration.zero,
                bufferedPosition: positionData?.bufferedPosition ?? Duration.zero,
                onChangeEnd: data.voiceController!.seek,
              ).expanded;
            },
          ),
        ],
      ),
    ).circle(5);
  }

  Widget getPlayer({required AudioPlayer player, required SingleUserChatModel modelData}) {
    return StreamBuilder<PlayerState>(
      stream: player!.playerStateStream,
      builder: (BuildContext context, AsyncSnapshot<PlayerState> snapshot) {
        PlayerState? playerState = snapshot.data;
        ProcessingState? processingState = playerState?.processingState;
        bool? playing = playerState?.playing;
        if (processingState == ProcessingState.loading || processingState == ProcessingState.buffering) {
          return Container(
            margin: const EdgeInsets.all(8.0),
            width: 30.0,
            height: 30.0,
            child: const CircularProgressIndicator(),
          );
        } else if (playing != true) {
          return Icon(
            Icons.play_arrow,
            size: 30,
            color: MyColors.lightGreenColor,
          ).onPress(() {
            playVoice(context, data: modelData);
          });
        } else if (processingState != ProcessingState.completed) {
          return const Icon(
            Icons.pause,
            size: 30,
            color: MyColors.lightGreenColor,
          ).onPress(() {
            pausePlaying(context, data: modelData);
          });
        } else {
          return const Icon(
            Icons.replay,
            size: 30,
            color: MyColors.lightGreenColor,
          ).onPress(() {
            rePlay(context, data: modelData);
          });
        }
      },
    );
  }
}

class MyCustomStream extends StreamAudioSource {
  final Uint8List bytes;

  MyCustomStream(this.bytes);

  @override
  Future<StreamAudioResponse> request([int? start, int? end]) async {
    start ??= 0;
    end ??= bytes.length;
    return StreamAudioResponse(
      sourceLength: bytes.length,
      contentLength: end - start,
      offset: start,
      stream: Stream.value(bytes.sublist(start, end)),
      contentType: 'audio/aac',
    );
  }
}