import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:travel_mate/models/group.dart';

class GroupService {
  final FirebaseFirestore _firestore = FirebaseFirestore.instance;

  Stream<List<Group>> getGroupsStream() {
    return _firestore.collection('groups').snapshots().map((snapshot) {
      return snapshot.docs.map((doc) {
        return Group.fromMap(doc.data(), doc.id);
      }).toList();
    });
  }

  Future<void> createGroup(Group group) async {
    await _firestore.collection('groups').add(group.toMap());
  }

  Future<void> updateGroup(Group group) async {
    await _firestore.collection('groups').doc(group.id).update(group.toMap());
  }

  Future<void> deleteGroup(String groupId) async {
    await _firestore.collection('groups').doc(groupId).delete();
  }
}