import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:prosapp_web_app/models/comment_entity.dart';
import 'package:prosapp_web_app/models/profesional.dart';
import 'package:prosapp_web_app/models/usuario.dart';
import 'package:prosapp_web_app/models/usuario_profesional.dart';

class ProfessionalDetailProvider extends ChangeNotifier {
  UsuarioProfesional? professional;
  bool isLoading = true;

  Future<void> getProfessionalById(String uid) async {
    try {
      isLoading = true;
      notifyListeners();

      final userDoc =
          await FirebaseFirestore.instance.collection('users').doc(uid).get();

      if (!userDoc.exists) {
        print('Profesional no encontrado.');
        return;
      }

      final user = Usuario.fromDocument(userDoc.data()!);

      final professionalDoc = await FirebaseFirestore.instance
          .collection('professional_info')
          .doc(uid)
          .get();

      if (!professionalDoc.exists) {
        print('Información profesional no encontrada.');
        return;
      }

      final professionalInfo =
          Profesional.fromDocument(professionalDoc.data()!);

      final averageScore = await _getAverageScore(uid);

      professional = UsuarioProfesional(
        user: user,
        professionalInfo: professionalInfo,
        averageScore: averageScore,
      );
    } catch (e) {
      print('Error obteniendo profesional: $e');
    } finally {
      isLoading = false;
      notifyListeners();
    }
  }

  Future<double> _getAverageScore(String userId) async {
    final querySnapshot = await FirebaseFirestore.instance
        .collection('comments')
        .where('destination_id', isEqualTo: userId)
        .where('is_from_user', isEqualTo: true)
        .get();

    if (querySnapshot.docs.isEmpty) {
      return 0.0;
    }

    final scores = querySnapshot.docs
        .map((e) => CommentEntity.fromDocument(e.data()).score)
        .toList();
    final averageScore = scores.reduce((a, b) => a + b) / scores.length;
    return averageScore;
  }
}