export interface RichContent {
  type: string;
  url: string;
  siteName?: string;
  title?: string;
  description?: string;
  /**
   * A real preview image (og:image, a large content image, a video still).
   * Never a favicon — an absent value means "this page offers no artwork",
   * which is what makes the generated placeholder possible.
   */
  thumbnailUrl?: string;
  /** The page's own icon, used as the placeholder's glyph. */
  faviconUrl?: string;
  /** The page's declared brand color, normalized to `#rrggbb`. */
  accentColor?: string;
  videoId?: string;
  embedUrl?: string;
}

export interface Dump {
  id: string;
  kind: "url" | "file";
  title: string;
  slug?: string;
  comment?: string;
  userId: string;
  createdAt: Date;
  updatedAt?: Date;
  url?: string;
  richContent?: RichContent;
  fileName?: string;
  fileMime?: string;
  fileSize?: number;
  voteCount: number;
  commentCount: number;
  isPrivate: boolean;
  thumbnailMime?: string;
  categoryIds?: string[];
}

/**
 * An existing dump pointing at the same URL, as shown by the create form's
 * duplicate hint (`GET /api/dumps/by-url`). Display-only projection — see
 * `findDumpsByUrl`.
 */
export interface DumpUrlMatch {
  id: string;
  slug?: string;
  title: string;
  username: string;
  createdAt: Date;
  voteCount: number;
  commentCount: number;
}

/**
 * `GET /api/preview`. `reached` is separate because a failed fetch still yields
 * a usable stub (hostname only): without it the create form can't tell "this
 * page has no preview" from "this link is dead".
 */
export interface LinkPreview {
  reached: boolean;
  richContent: RichContent | null;
}

export interface CreateUrlDumpRequest {
  url: string;
  /** Overrides the title scraped from the page — the poster edited the preview. */
  title?: string;
  comment?: string;
  isPrivate?: boolean;
  categoryIds?: string[];
}

export interface UpdateDumpRequest {
  url?: string;
  title?: string;
  /** `null` removes the note; leaving it out keeps it. */
  comment?: string | null;
  isPrivate?: boolean;
  categoryIds?: string[];
}

/** `POST /api/attachments`: the id the uploaded image is served under. */
export interface AttachmentResponse {
  id: string;
}