// Wire types of the anonymous Journal API (/_journal/api/v1). Field names
// mirror the Go serializers exactly (snake_case); a field is nullable where
// Go can emit null. Types only, so `node --test` can import any util.

/** The author object embedded in a post row. `null` when the post has none. */
export interface JournalAuthorRef {
  id: number
  first_name: string
  last_name: string
  login: string
  /** The author slug, else the login (sm-journal-plugin v0.3.1+). */
  slug?: string
}

/** A category or tag reference embedded in a post row. */
export interface JournalTermRef {
  id: number
  name: string
  slug: string
}

export interface JournalFeaturedImage {
  id: number
  url: string
  file_name: string
  file_size: number
}

/** One post row, as GET /posts and GET /authors/{author}/posts list it. */
export interface JournalPost {
  id: number
  title: string
  slug: string
  excerpt: string | null
  content: string | null
  content_html: string | null
  reading_time: number
  published: boolean
  /** UTC, "2006-01-02T15:04:05+00:00". */
  published_at: string | null
  is_pinned: boolean
  metadata: unknown
  sources: unknown
  author: JournalAuthorRef | null
  categories: JournalTermRef[]
  tags: JournalTermRef[]
  featured_images: JournalFeaturedImage[]
  featured_image_url: string | null
  translations: unknown
  created_at: string | null
  updated_at: string | null
}

/**
 * One row of GET /posts?fields=suggest: a subset of JournalPost for a search
 * box. `excerpt` is plain text of about 160 characters.
 */
export interface JournalPostSuggestion {
  id: number
  title: string
  slug: string
  excerpt: string
  featured_image_url: string | null
  published_at: string | null
}

/** previous_post / next_post on GET /posts/{slug}. */
export interface JournalPostSibling {
  id: number
  title: string
  slug: string
}

/** GET /posts/{slug} data: the post plus its neighbours and related posts. */
export interface JournalPostDetail extends JournalPost {
  previous_post: JournalPostSibling | null
  next_post: JournalPostSibling | null
  /** Latest 3 in the same categories; empty when the post has no category. */
  related_posts: JournalPost[]
  /**
   * The Journal H1 setting (newer Journal APIs): true while stored
   * content has its H1 headings converted to H2, so the post title is the
   * page's H1. Absent on an older Journal, which counts as true.
   */
  content_h1_to_h2?: boolean
}

/** One node of the GET /categories tree. */
export interface JournalCategory {
  id: number
  name: string
  slug: string
  description: string | null
  /** Rich HTML body of the category page, stored as is; null when unset. */
  content: string | null
  /**
   * The Journal H1 setting on this row (newer Journal APIs): true while an
   * h1 in content becomes h2. Absent on an older Journal, which counts as
   * true.
   */
  content_h1_to_h2?: boolean
  parent_id: number | null
  nest_depth: number | null
  post_count: number
  children?: JournalCategory[]
}

export interface JournalTag {
  id: number
  name: string
  slug: string
  post_count: number
}

/**
 * GET /authors/{author} data. `slug` is the canonical identifier: the author
 * slug when set, otherwise the login. Missing names are "".
 */
export interface JournalAuthor {
  id: number
  slug: string
  first_name: string
  last_name: string
}

export interface JournalPageMeta {
  current_page: number
  last_page: number
  per_page: number
  total: number
}

/** The paginated envelope of GET /posts and GET /authors/{author}/posts. */
export interface JournalPage<T> {
  data: T[]
  meta: JournalPageMeta
}

/** The single-object envelope ({ data }) of show and list endpoints. */
export interface JournalItem<T> {
  data: T
}

/** Route paths per Journal view; `false` disables the view. */
export interface JournalRoutes {
  index: string | false
  post: string | false
  category: string | false
  tag: string | false
  author: string | false
  /** Search results page; the term is the `q` query parameter. Off by default. */
  search: string | false
}

export interface JournalPerPage {
  index: number
  category: number
  tag: number
  author: number
  search: number
}

/** Options of the `journal` config key in nuxt.config. */
export interface JournalModuleOptions {
  routes: JournalRoutes
  perPage: JournalPerPage
  /** "<column> <asc|desc>", column one of published_at, created_at, updated_at, title, id. */
  sort: string
  /** How many related posts a post page shows. */
  relatedCount: number
  /** Whether /rss.xml is served and linked. */
  rss: boolean
  /**
   * The post page title's element: 'auto' (default) follows the Journal H1
   * setting (h1 while content_h1_to_h2 is on, p while it is off), 'h1' or
   * 'p' force it. NUXT_PUBLIC_JOURNAL_POST_TITLE_TAG at runtime.
   */
  postTitleTag: JournalPostTitleTag
  /**
   * Whether the journal pages render <SeoBreadcrumbs> at the top of their
   * content (default true). false for a site whose layout places them.
   * NUXT_PUBLIC_JOURNAL_BREADCRUMBS at runtime.
   */
  breadcrumbs: boolean
}

/** journal.postTitleTag. */
export type JournalPostTitleTag = 'auto' | 'h1' | 'p'