import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:prosappco/src/models/scores_model.dart';
import 'package:prosappco/src/models/user_model.dart';

class UserProvider extends ChangeNotifier {
  final FirebaseFirestore _firestore = FirebaseFirestore.instance;
  UserModel? _user;
  ScoresModel? _score;
  Stream<DocumentSnapshot<Map<String, dynamic>>>? _stream;

  UserProvider() {
    initUserProvider();
  }

  void initUserProvider() {
    var uid = FirebaseAuth.instance.currentUser?.uid;
    if (uid == null) return;
    _stream = _firestore.collection('users').doc(uid).snapshots();
    _stream?.listen((documentSnapshot) async {
      if (documentSnapshot.exists) {
        final data = documentSnapshot.data() as Map<String, dynamic>;
        _user = UserModel.fromFirestore(data);
        _score = await ScoresModel.scoreTo(uid, false, false);
        notifyListeners();
      }
    }, onDone: () {}, onError: (error) {});
  }

  void setNullUser() {
    _user = null;
    _score = null;
    _stream = null;
    notifyListeners();
  }

  Future<void> updateUserDataAndScores() async {
    var uid = FirebaseAuth.instance.currentUser?.uid;
    if (uid == null) return;

    var documentSnapshot = await _firestore.collection('users').doc(uid).get();

    if (documentSnapshot.exists) {
      final data = documentSnapshot.data() as Map<String, dynamic>;
      _user = UserModel.fromFirestore(data);
      _score = await ScoresModel.scoreTo(uid, false, false);
      notifyListeners();
    }
  }

  UserModel? get user => _user;
  ScoresModel? get score => _score;
}