/// Domain Entity: Showroom
///
/// Represents a virtual showroom display.
library;

/// Showroom Entity
///
/// Contains information about a showroom:
/// - Showroom details and description
/// - Media (images, 360 view)
/// - Metadata (style, location, area)
/// - Visibility settings
class Showroom {
  /// Unique showroom identifier
  final String showroomId;

  /// Showroom title
  final String title;

  /// Showroom description
  final String? description;

  /// Cover image URL
  final String? coverImage;

  /// 360-degree view link
  final String? link360;

  /// Showroom area (square meters)
  final double? area;

  /// Design style
  final String? style;

  /// Location/address
  final String? location;

  /// Gallery image URLs
  final List<String> galleryImages;

  /// View count
  final int viewCount;

  /// Showroom is featured
  final bool isFeatured;

  /// Showroom is active and visible
  final bool isActive;

  /// Publication timestamp
  final DateTime? publishedAt;

  /// User ID who created the showroom
  final String? createdBy;

  const Showroom({
    required this.showroomId,
    required this.title,
    this.description,
    this.coverImage,
    this.link360,
    this.area,
    this.style,
    this.location,
    required this.galleryImages,
    required this.viewCount,
    required this.isFeatured,
    required this.isActive,
    this.publishedAt,
    this.createdBy,
  });

  /// Check if showroom is published
  bool get isPublished =>
      publishedAt != null && DateTime.now().isAfter(publishedAt!);

  /// Check if showroom has 360 view
  bool get has360View => link360 != null && link360!.isNotEmpty;

  /// Check if showroom has gallery
  bool get hasGallery => galleryImages.isNotEmpty;

  /// Get gallery size
  int get gallerySize => galleryImages.length;

  /// Check if showroom has cover image
  bool get hasCoverImage => coverImage != null && coverImage!.isNotEmpty;

  /// Get display image (cover or first gallery image)
  String? get displayImage {
    if (hasCoverImage) return coverImage;
    if (hasGallery) return galleryImages.first;
    return null;
  }

  /// Check if showroom can be viewed
  bool get canBeViewed => isActive && isPublished;

  /// Copy with method for immutability
  Showroom copyWith({
    String? showroomId,
    String? title,
    String? description,
    String? coverImage,
    String? link360,
    double? area,
    String? style,
    String? location,
    List<String>? galleryImages,
    int? viewCount,
    bool? isFeatured,
    bool? isActive,
    DateTime? publishedAt,
    String? createdBy,
  }) {
    return Showroom(
      showroomId: showroomId ?? this.showroomId,
      title: title ?? this.title,
      description: description ?? this.description,
      coverImage: coverImage ?? this.coverImage,
      link360: link360 ?? this.link360,
      area: area ?? this.area,
      style: style ?? this.style,
      location: location ?? this.location,
      galleryImages: galleryImages ?? this.galleryImages,
      viewCount: viewCount ?? this.viewCount,
      isFeatured: isFeatured ?? this.isFeatured,
      isActive: isActive ?? this.isActive,
      publishedAt: publishedAt ?? this.publishedAt,
      createdBy: createdBy ?? this.createdBy,
    );
  }

  @override
  bool operator ==(Object other) {
    if (identical(this, other)) return true;

    return other is Showroom &&
        other.showroomId == showroomId &&
        other.title == title &&
        other.style == style &&
        other.isFeatured == isFeatured &&
        other.isActive == isActive;
  }

  @override
  int get hashCode {
    return Object.hash(
      showroomId,
      title,
      style,
      isFeatured,
      isActive,
    );
  }

  @override
  String toString() {
    return 'Showroom(showroomId: $showroomId, title: $title, style: $style, '
        'area: $area, viewCount: $viewCount, isFeatured: $isFeatured, '
        'isActive: $isActive)';
  }
}