import 'package:flutter/material.dart';
import 'package:muaawana/models/chat_v2/message.dart';
import 'package:muaawana/models/chat_v2/message_list.dart';

class UserConversation extends ChangeNotifier {
  List<MessageModel> messagesList = [];
  List<MessageListModel> allConversations = [];
  String currentChatId="";
  MessageListModel? selectedConversation;
  int notificationCount=0;
  bool showNotif=false;
  static final UserConversation userConversation =
  UserConversation._internal();

  factory UserConversation() {
    return userConversation;
  }
  setCurrentChatId(String id , MessageListModel conversation){
    selectedConversation = conversation;
    currentChatId=id;
    notifyListeners();
  }

  addMessagesToCurrentConversation(List<MessageModel> msg) {
    msg.forEach((element) {
      if (!messagesList.contains(element)) {
        messagesList.add(element);
        messagesList.sort((a, b) =>
            DateTime.fromMillisecondsSinceEpoch(a.timestamp!)
                .compareTo(DateTime.fromMillisecondsSinceEpoch(b.timestamp!)));
      }
    });
    notifyListeners();
  }

  addOneMessage(MessageModel messageModel) {
    if (!messagesList.contains(messageModel)) {
      messagesList.add(messageModel);
      messagesList.sort((a, b) =>
          DateTime.fromMillisecondsSinceEpoch(a.timestamp!)
              .compareTo(DateTime.fromMillisecondsSinceEpoch(b.timestamp!)));
    }
    allConversations.sort((a, b) =>
        DateTime.fromMillisecondsSinceEpoch(a.lastmessagetimestmp!)
            .compareTo(DateTime.fromMillisecondsSinceEpoch(b.lastmessagetimestmp!)));
    allConversations=allConversations.reversed.toList();
    notifyListeners();
  }

  getAllConversations(List<MessageListModel> conversations){
    allConversations = conversations;
    allConversations.sort((a, b) =>
        DateTime.fromMillisecondsSinceEpoch(a.lastmessagetimestmp!)
            .compareTo(DateTime.fromMillisecondsSinceEpoch(b.lastmessagetimestmp!)));
    allConversations=allConversations.reversed.toList();
    notifyListeners();
  }
  updateConversation({required MessageListModel conversation,required String message,required int senderId}){
    conversation.lastmessage=message;
    conversation.lastmessagesenderid=senderId;
    conversation.lastmessagetimestmp=DateTime.now().millisecondsSinceEpoch;
    allConversations.sort((a, b) =>
        DateTime.fromMillisecondsSinceEpoch(a.lastmessagetimestmp!)
            .compareTo(DateTime.fromMillisecondsSinceEpoch(b.lastmessagetimestmp!)));
    allConversations=allConversations.reversed.toList();
    notifyListeners();
  }
  setConversationCount({
    required MessageListModel message,
    required int count}){
    message.count=0;
    message.count=count;
    notifyListeners();
  }


  onDisposeDiscussion() {
    messagesList.clear();
  }
  onDisposeConversation(){
    allConversations.clear();
  }

  UserConversation._internal();

  showNotification(){
    showNotif=true;
    notifyListeners();
  }
  hideNotification(){
    showNotif=false;
    notifyListeners();
  }

  addAConversation(MessageListModel conversation){
    allConversations.insert(0, conversation);
    notifyListeners();
  }
}

final userConversationSingleton = UserConversation();