import 'package:flutter/material.dart';

// App screen enum
enum AppScreen {
  library,
  categories,
  wishlist,
  settings,
  details,
  addBook,
  scanner,
}

// Book status enum
enum BookStatus {
  reading,
  done,
  wantToRead,
}

// Extension for BookStatus to get display name
extension BookStatusExtension on BookStatus {
  String get displayName {
    switch (this) {
      case BookStatus.reading:
        return 'Reading Now';
      case BookStatus.done:
        return 'Completed';
      case BookStatus.wantToRead:
        return 'Wishlist';
    }
  }
}

// Category record - using Dart records as data classes
typedef Category = ({
  String id,
  String name,
  int count,
  IconData icon,
  String colorClass,
});

// Book record - using Dart records as data classes
typedef Book = ({
  String id,
  String title,
  String author,
  String genre,
  String annotation,
  String? coverUrl,
  int? pages,
  String? language,
  int? publishedYear,
  double? rating,
  BookStatus status,
  int? progress,
  bool isFavorite,
});

// Helper function to create a Category record
Category createCategory({
  required String id,
  required String name,
  required int count,
  required IconData icon,
  required String colorClass,
}) {
  return (
    id: id,
    name: name,
    count: count,
    icon: icon,
    colorClass: colorClass,
  );
}

// Helper function to create a Book record
Book createBook({
  required String id,
  required String title,
  required String author,
  required String genre,
  required String annotation,
  String? coverUrl,
  int? pages,
  String? language,
  int? publishedYear,
  double? rating,
  required BookStatus status,
  int? progress,
  required bool isFavorite,
}) {
  return (
    id: id,
    title: title,
    author: author,
    genre: genre,
    annotation: annotation,
    coverUrl: coverUrl,
    pages: pages,
    language: language,
    publishedYear: publishedYear,
    rating: rating,
    status: status,
    progress: progress,
    isFavorite: isFavorite,
  );
}

// Extension to create Book from partial data
extension BookExtension on Book {
  Book copyWith({
    String? id,
    String? title,
    String? author,
    String? genre,
    String? annotation,
    String? coverUrl,
    int? pages,
    String? language,
    int? publishedYear,
    double? rating,
    BookStatus? status,
    int? progress,
    bool? isFavorite,
  }) {
    return createBook(
      id: id ?? this.id,
      title: title ?? this.title,
      author: author ?? this.author,
      genre: genre ?? this.genre,
      annotation: annotation ?? this.annotation,
      coverUrl: coverUrl ?? this.coverUrl,
      pages: pages ?? this.pages,
      language: language ?? this.language,
      publishedYear: publishedYear ?? this.publishedYear,
      rating: rating ?? this.rating,
      status: status ?? this.status,
      progress: progress ?? this.progress,
      isFavorite: isFavorite ?? this.isFavorite,
    );
  }

  // Convert to JSON for storage/transport
  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'title': title,
      'author': author,
      'genre': genre,
      'annotation': annotation,
      'coverUrl': coverUrl,
      'pages': pages,
      'language': language,
      'publishedYear': publishedYear,
      'rating': rating,
      'status': status.name,
      'progress': progress,
      'isFavorite': isFavorite,
    };
  }

  // Create Book from JSON
  static Book fromJson(Map<String, dynamic> json) {
    return (
      id: json['id'] as String,
      title: json['title'] as String,
      author: json['author'] as String,
      genre: json['genre'] as String,
      annotation: json['annotation'] as String,
      coverUrl: json['coverUrl'] as String?,
      pages: json['pages'] as int?,
      language: json['language'] as String?,
      publishedYear: json['publishedYear'] as int?,
      rating: (json['rating'] as num?)?.toDouble(),
      status: BookStatus.values.firstWhere(
        (e) => e.name == json['status'],
        orElse: () => BookStatus.wantToRead,
      ),
      progress: json['progress'] as int?,
      isFavorite: json['isFavorite'] as bool? ?? false,
    );
  }
}