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import { z } from "zod";

// Screamer news briefs (screamer.humdrum.one). Each category is an AI-written
// digest published as JSON at `${baseUrl}/data/${date}-${category}.json`.

export const BriefCategory = z.object({
  key: z.string(), // "politics" | "tech" | "sports" | "culture" | …
  name: z.string(), // display name
});

export const BriefsConfig = z.object({
  baseUrl: z.string().url().default("https://screamer.humdrum.one"),
  categories: z.array(BriefCategory).default([
    { key: "politics", name: "Politics" },
    { key: "tech", name: "Technology" },
    { key: "sports", name: "Sports" },
    { key: "culture", name: "Culture" },
  ]),
  // How many past dates to walk back when today's brief isn't published yet.
  lookbackDays: z.number().int().min(1).max(14).default(7),
});
export type BriefsConfig = z.infer<typeof BriefsConfig>;

export const BriefStory = z.object({
  title: z.string(),
  summary: z.string(),
  sources: z.array(z.string()).default([]),
  link: z.string().optional(), // first source article URL
});

export const BriefSection = z.object({
  key: z.string(),
  name: z.string(),
  date: z.string().nullable(), // the date actually resolved for this category
  stories: z.array(BriefStory),
});

export const BriefsPayload = z.object({
  categories: z.array(BriefSection),
});
export type BriefsPayload = z.infer<typeof BriefsPayload>;