import { z } from "zod";
export type Article = {
  _type: "Article";
  headline?: string;
  datePublished?: string;
  articleBody?: string;
  keywords?: string[];
  image?: string;
  url?: string;
  reviewRating?: {
    bestRating?: number;
    worstRating?: number;
    ratingValue?: number;
  };
  author?: {
    _type: "Person";
    name?: string;
  };
};

export const articleMetadataSchema = z.object({
  headline: z.union([z.null(), z.string()]).describe("Headline of the article"),
  author: z.union([z.null(), z.string()]).describe("Author of the article"),
  datePublished: z.union([z.null(), z.string()]).describe(
    "Date the article was published",
  ),
  keywords: z.union([z.null(), z.array(z.string())]).describe(
    "Keywords for the article",
  ),
});