/**
 * Data access layer for On Chanting Hare Kṛṣṇa (OCHKM).
 *
 * Delegates to the generic book data layer which calls the BFF API.
 */

import {
  getBookMeta,
  getIntroSegments,
  getIntroSegment,
  getChapter,
  getContent,
  getSidebarItems,
  type BookMeta,
  type IntroSegment,
  type Chapter,
  type SidebarItem,
} from "@/lib/books";

const CODE = "ochkm";

// Re-export types with book-specific names for backwards compatibility
export type OchkmMeta = BookMeta;
export type OchkmChapterEntry = { number: number; title: string };
export type OchkmIntroSegment = IntroSegment;
export type OchkmChapter = Chapter;
export type OchkmSidebarItem = SidebarItem;

export async function getOchkmMeta(): Promise<OchkmMeta | null> {
  return getBookMeta(CODE);
}

export async function getOchkmIntroSegments(): Promise<OchkmIntroSegment[]> {
  return getIntroSegments(CODE);
}

export async function getOchkmIntroSegment(
  slug: string,
): Promise<OchkmIntroSegment | null> {
  return getIntroSegment(CODE, slug);
}

export async function getOchkmChapter(
  chapterNum: number,
): Promise<OchkmChapter | null> {
  return getChapter(CODE, String(chapterNum));
}

export async function getOchkmContent(
  slug: string,
): Promise<OchkmChapter | OchkmIntroSegment | null> {
  return getContent(CODE, slug);
}

export async function getOchkmSidebarItems(): Promise<OchkmSidebarItem[]> {
  return getSidebarItems(CODE);
}