export type SafeContentLimits = {
  /** Max input characters considered; the rest is dropped and `truncated` set. */
  readonly maxInputLength: number;
  /** Max element nesting tracked by the HTML parser; deeper structure is flattened to text. */
  readonly maxDepth: number;
  /** Max AST nodes emitted per document. */
  readonly maxNodes: number;
  /** Max characters in any single URL. */
  readonly maxUrlLength: number;
};

export const DEFAULT_LIMITS: SafeContentLimits = {
  maxInputLength: 20_000,
  maxDepth: 32,
  maxNodes: 2_000,
  maxUrlLength: 2_048,
};

export const LINK_PREVIEW_LIMITS = {
  title: 300,
  description: 1_000,
  siteName: 100,
} as const;