import 'package:uuid/uuid.dart';

class Child {
  final String id;
  final String firstName;
  final String lastName;
  final DateTime birthDate;
  final String? photoUrl;
  final String classId;
  final String teacherId;
  final String status;
  final String? mood;
  final String? allergies;        // ← NOVO
  final String? foodRestrictions; // ← NOVO
  final String? roomId;           // ← NOVO

  Child({
    String? id,
    required this.firstName,
    required this.lastName,
    required this.birthDate,
    this.photoUrl,
    required this.classId,
    required this.teacherId,
    this.status = 'active',
    this.mood,
    this.allergies,
    this.foodRestrictions,
    this.roomId,
  }) : id = id ?? const Uuid().v4();

  int get age {
    final today = DateTime.now();
    int a = today.year - birthDate.year;
    if (today.month < birthDate.month ||
        (today.month == birthDate.month && today.day < birthDate.day)) a--;
    return a;
  }

  String get fullName => '$firstName $lastName';

  factory Child.fromMap(Map<String, dynamic> map) => Child(
    id:               map['id'],
    firstName:        map['first_name'] ?? '',
    lastName:         map['last_name'] ?? '',
    birthDate:        DateTime.tryParse(map['birth_date'] ?? '') ?? DateTime.now(),
    photoUrl:         map['photo_url'],
    classId:          map['class_id'] ?? '',
    teacherId:        map['teacher_id'] ?? '',
    status:           map['status'] ?? 'active',
    mood:             map['mood'],
    allergies:        map['allergies'],
    foodRestrictions: map['food_restrictions'],
    roomId:           map['room_id'],
  );

  Map<String, dynamic> toMap() => {
    'id':               id,
    'first_name':       firstName,
    'last_name':        lastName,
    'birth_date':       birthDate.toIso8601String().split('T')[0],
    'photo_url':        photoUrl,
    'class_id':         classId,
    'teacher_id':       teacherId,
    'status':           status,
    'allergies':        allergies,
    'food_restrictions': foodRestrictions,
    'room_id':          roomId,
  };
}