import 'package:wisata_app/config/api_config.dart';

class Destination {
  final String id;
  final String title;
  final String category;
  final String location;
  final String imagePath;
  final double rating;
  final String distance;
  final String elevation;
  final String tiketParkir;
  final String jamOperasional;
  final String shortDescription;
  final String overview;
  final String modelPath;
  final String arDescription;
  final double? latitude;
  final double? longitude;
  final bool isVideo;
  final String videoPath;

  const Destination({
    required this.id,
    required this.title,
    required this.category,
    required this.location,
    required this.imagePath,
    required this.rating,
    required this.distance,
    required this.elevation,
    required this.tiketParkir,
    required this.jamOperasional,
    required this.shortDescription,
    required this.overview,
    required this.modelPath,
    required this.arDescription,
    required this.latitude,
    required this.longitude,
    required this.isVideo,
    required this.videoPath,
  });

  factory Destination.fromJson(Map<String, dynamic> json) {
    final categoryValue = json['category'];
    final categoryName = categoryValue is Map<String, dynamic>
        ? _string(categoryValue['name'])
        : _string(categoryValue);
    final shortDescription = _string(
      json['short_description'] ?? json['description'] ?? json['deskripsi'],
    );
    final overview = _string(
      json['overview'] ??
          json['deskripsi_lengkap'] ??
          json['deskripsiLengkap'] ??
          shortDescription,
    );

    return Destination(
      id: _string(json['id']),
      title: _string(json['title'] ?? json['nama_wisata'] ?? json['nama']),
      category: _string(json['category_name'] ?? categoryName),
      location: _string(json['location'] ?? json['lokasi']),
      imagePath: _resolveFileUrl(json['image_url'] ?? json['image']),
      rating: _double(json['rating']),
      distance: _string(json['distance'] ?? json['jarak']),
      elevation: _string(json['elevation'] ?? json['ketinggian']),
      tiketParkir: _string(json['tiket_parkir'] ?? json['tiketParkir']),
      jamOperasional:
          _string(json['jam_operasional'] ?? json['jamOperasional']),
      shortDescription: shortDescription,
      overview: overview,
      modelPath: _resolveFileUrl(
        json['model_url'] ?? json['model_glb'] ?? json['model_path'],
      ),
      arDescription: _string(json['ar_description'] ?? overview),
      latitude: _nullableDouble(json['latitude']),
      longitude: _nullableDouble(json['longitude']),
      isVideo: _bool(json['is_video']),
      videoPath: _resolveFileUrl(json['video_url'] ?? json['video_path']),
    );
  }

  String get nama => title;
  String get deskripsi => shortDescription;
  String get kategori => category;
  String get gambar => imagePath;
  String get deskripsiLengkap => overview;
  String get lokasi => location;
  String get alamat => location;
  String get ketinggian => elevation.trim().isEmpty ? '-' : elevation;

  String get displayLocation =>
      location.trim().isEmpty ? 'Lumajang, Jawa Timur' : location;

  bool get hasCoordinates => latitude != null && longitude != null;

  static String _string(Object? value) => value?.toString().trim() ?? '';

  static double _double(Object? value) => _nullableDouble(value) ?? 0;

  static double? _nullableDouble(Object? value) {
    if (value == null) return null;
    if (value is num) return value.toDouble();
    return double.tryParse(value.toString());
  }

  static bool _bool(Object? value) {
    if (value is bool) return value;
    if (value is num) return value != 0;
    final normalized = value?.toString().toLowerCase().trim();
    return normalized == 'true' || normalized == '1' || normalized == 'yes';
  }

  static String _resolveFileUrl(Object? value) {
    final path = _string(value).replaceAll('\\', '/');
    if (path.isEmpty ||
        path.startsWith('http://') ||
        path.startsWith('https://')) {
      return ApiConfig.normalizeBackendUrl(path);
    }

    if (path.startsWith('storage/')) {
      return '${ApiConfig.storageUrl}${path.replaceFirst('storage/', '')}';
    }

    if (path.startsWith('assets/images/')) {
      return '${ApiConfig.storageUrl}wisata/${path.replaceFirst('assets/images/', '')}';
    }

    if (path.startsWith('assets/models/')) {
      return '${ApiConfig.storageUrl}models/${path.replaceFirst('assets/models/', '')}';
    }

    if (path.startsWith('assets/videos/')) {
      return '${ApiConfig.storageUrl}videos/${path.replaceFirst('assets/videos/', '')}';
    }

    return '${ApiConfig.storageUrl}$path';
  }
}