import type { BookStackAccount } from './bookstack.classes.account.js';
import type {
  IBookStackShelf,
  IBookStackBook,
  IBookStackTag,
  IBookStackListParams,
  IBookStackListResponse,
} from './bookstack.interfaces.js';
import { BookStackBook } from './bookstack.classes.book.js';
import { autoPaginate } from './bookstack.helpers.js';

export class BookStackShelf {
  public readonly id: number;
  public readonly name: string;
  public readonly slug: string;
  public readonly description: string;
  public readonly createdAt: string;
  public readonly updatedAt: string;
  public readonly createdBy: number;
  public readonly updatedBy: number;
  public readonly ownedBy: number;
  public readonly tags: IBookStackTag[];

  /** @internal */
  constructor(
    private accountRef: BookStackAccount,
    raw: IBookStackShelf,
  ) {
    this.id = raw.id;
    this.name = raw.name || '';
    this.slug = raw.slug || '';
    this.description = raw.description || '';
    this.createdAt = raw.created_at || '';
    this.updatedAt = raw.updated_at || '';
    this.createdBy = raw.created_by;
    this.updatedBy = raw.updated_by;
    this.ownedBy = raw.owned_by;
    this.tags = raw.tags || [];
  }

  // ---------------------------------------------------------------------------
  // CRUD
  // ---------------------------------------------------------------------------

  async update(data: {
    name?: string;
    description?: string;
    description_html?: string;
    books?: number[];
    tags?: IBookStackTag[];
  }): Promise<BookStackShelf> {
    const raw = await this.accountRef.request<IBookStackShelf>('PUT', `/shelves/${this.id}`, data);
    return new BookStackShelf(this.accountRef, raw);
  }

  async delete(): Promise<void> {
    await this.accountRef.request('DELETE', `/shelves/${this.id}`);
  }

  // ---------------------------------------------------------------------------
  // Navigation — Books
  // ---------------------------------------------------------------------------

  async getBooks(opts?: IBookStackListParams): Promise<BookStackBook[]> {
    // The shelf detail endpoint includes books inline
    const detail = await this.accountRef.request<IBookStackShelf>('GET', `/shelves/${this.id}`);
    if (detail.books) {
      return detail.books.map((b) => new BookStackBook(this.accountRef, b));
    }
    return [];
  }

  // ---------------------------------------------------------------------------
  // Serialization
  // ---------------------------------------------------------------------------

  toJSON(): IBookStackShelf {
    return {
      id: this.id,
      name: this.name,
      slug: this.slug,
      description: this.description,
      created_at: this.createdAt,
      updated_at: this.updatedAt,
      created_by: this.createdBy,
      updated_by: this.updatedBy,
      owned_by: this.ownedBy,
      tags: this.tags,
    };
  }
}