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

class LocalAuthProvider with ChangeNotifier {
  UserModel? _currentUser;

  UserModel? get currentUser => _currentUser;
  String? get role => _currentUser?.role;

  void setUser(UserModel user) {
    _currentUser = user;
    notifyListeners();
  }

  void clearUser() {
    _currentUser = null;
    notifyListeners();
  }

  Future<UserCredential> signInWithEmailAndPassword(
      String email, String password) async {
    try {
      UserCredential userCredential = await FirebaseAuth.instance
          .signInWithEmailAndPassword(email: email, password: password);

      DocumentSnapshot userDoc = await FirebaseFirestore.instance
          .collection('users')
          .doc(userCredential.user!.uid)
          .get();

      if (userDoc.exists) {
        setUser(UserModel.fromMap(
            userDoc.data() as Map<String, dynamic>, userDoc.id));
      } else {
        throw FirebaseAuthException(
            code: 'user-not-found',
            message: "Aucune donnée utilisateur trouvée.");
      }
      return userCredential;
    } on FirebaseAuthException catch (e) {
      throw FirebaseAuthException(code: e.code, message: e.message);
    }
  }
}