import 'package:equatable/equatable.dart';
import 'gate_model.dart';

/// نموذج مكان من نتائج بحث انطلق (geocode / search).
class PlaceModel extends Equatable {
  final String? placeId;
  final String name;
  final String? address;
  final double lat;
  final double lng;
  final String? category;
  final double? totalScore;
  final String? source;
  final List<Gate> gates;

  const PlaceModel({
    this.placeId,
    required this.name,
    this.address,
    required this.lat,
    required this.lng,
    this.category,
    this.totalScore,
    this.source,
    this.gates = const [],
  });

  /// استجابة انطلق الحقيقية — الحقول الم标准.
  factory PlaceModel.fromJson(Map<String, dynamic> j) {
    final lat = (j['latitude'] ?? j['location']?['lat'] ?? 0) as num;
    final lng = (j['longitude'] ?? j['location']?['lng'] ?? 0) as num;
    return PlaceModel(
      placeId: j['id'] as String?,
      name: (j['name'] ?? '') as String,
      address: (j['full_address'] ?? j['address']) as String?,
      lat: lat.toDouble(),
      lng: lng.toDouble(),
      category: j['category'] as String?,
      totalScore: (j['totalScore'] as num?)?.toDouble(),
      source: j['source'] as String?,
      gates: (j['gates'] as List?)
              ?.map((g) => Gate.fromJson(g as Map<String, dynamic>))
              .toList() ??
          const [],
    );
  }

  Map<String, dynamic> toJson() => {
        if (placeId != null) 'id': placeId,
        'name': name,
        if (address != null) 'full_address': address,
        'latitude': lat,
        'longitude': lng,
        if (category != null) 'category': category,
        if (totalScore != null) 'totalScore': totalScore,
        if (source != null) 'source': source,
      };

  /// هل لهذا المكان أبواب متعددة?
  bool get hasMultipleGates => gates.length > 1;

  /// الباب الرئيسي إن وُجد.
  Gate? get mainGate => gates.cast<Gate?>().firstWhere(
        (g) => g!.isMainGate,
        orElse: () => null,
      );

  @override
  List<Object?> get props =>
      [placeId, name, address, lat, lng, category, totalScore, source, gates];
}