import { Chapter } from './chapter.js';

export class Manga {
  constructor(
    id,
    title,
    slug,
    imageUrl,
    author,
    publicationYear,
    genres,
    status,
    rating,
    description = ''
  ) {
    this.id = id;
    this.title = title;
    this.slug = slug;
    this.imageUrl = imageUrl;
    this.author = author;
    this.publicationYear = publicationYear;
    this.genres = genres;
    this.status = status;
    this.rating = rating;
    this.description = description;
  }
}

export class MangaCollection {
  constructor(items, total, page, limit, hasNextPage, hasPreviousPage) {
    this.items = items;
    this.total = total;
    this.page = page;
    this.limit = limit;
    this.hasNextPage = hasNextPage;
    this.hasPreviousPage = hasPreviousPage;
  }
}

export class MangaDetail extends Manga {
  constructor(manga, chapters = []) {
    super(
      manga.id,
      manga.title,
      manga.slug,
      manga.imageUrl,
      manga.author,
      manga.publicationYear,
      manga.genres,
      manga.status,
      manga.rating,
      manga.description
    );
    this.chapters = this.organizeChaptersByVolume(chapters);
  }

  organizeChaptersByVolume(chapters) {
    const volumeMap = new Map();
    
    chapters.forEach(chapter => {
      const volume = chapter.volume || 0;
      if (!volumeMap.has(volume)) {
        volumeMap.set(volume, []);
      }
      volumeMap.get(volume).push(chapter);
    });

    // Sort chapters within each volume
    volumeMap.forEach(chapters => {
      chapters.sort((a, b) => b.number - a.number);
    });

    return new Map([...volumeMap.entries()].sort((a, b) => b[0] - a[0]));
  }
}