// A cited Wayback Machine copy carries its provenance into compose, and the
// links a citation of it shows are derived from that (lib/wayback.ts
// waybackCitationLinks): the original at the second, named as the original and
// as possibly gone, then the Wayback copy. Every id here is invented.
//
// Run with: node_modules/.bin/tsx --test publish/composeReportsWayback.test.ts

import { test } from "node:test";
import assert from "node:assert/strict";
import { mkdirSync, mkdtempSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import path from "node:path";
import { readCitedRecord } from "./composeReports";
import { buildWaybackProvenance, waybackCitationLinks } from "../lib/wayback";
import { platformMomentUrl } from "../lib/momentUrl";

const YT = "Xyz987abc65";
const CAPTURE = `https://web.archive.org/web/20190807060504/https://www.youtube.com/watch?v=${YT}`;

test("readCitedRecord loads a Wayback copy's provenance; others get null", async () => {
  const channels = mkdtempSync(path.join(tmpdir(), "compose-wayback-"));
  const dir = path.join(channels, "demo-wayback", "data", YT);
  mkdirSync(dir, { recursive: true });
  writeFileSync(
    path.join(dir, "metadata.info.json"),
    JSON.stringify({
      id: YT,
      extractor_key: "YoutubeWebArchive",
      title: "An archived upload",
      upload_date: "20090102",
      webpage_url: CAPTURE,
    }),
  );
  const prov = buildWaybackProvenance(CAPTURE)!;
  writeFileSync(path.join(dir, "wayback.json"), JSON.stringify(prov));

  const rec = await readCitedRecord(channels, "demo-wayback", YT);
  assert.ok(rec);
  assert.equal(rec.summary.platform, "youtube");
  assert.equal(rec.summary.id, YT);
  assert.deepEqual(rec.wayback, prov);
  // The record's own moment link is the capture, which plays.
  assert.equal(platformMomentUrl(rec.summary.webpageUrl, "youtube", 42), CAPTURE);
  const links = waybackCitationLinks(rec.wayback!, {
    originalMomentUrl: platformMomentUrl(rec.wayback!.originalUrl, null, 42),
  });
  assert.deepEqual(links.original, { label: "Original (may be gone)", url: `https://www.youtube.com/watch?v=${YT}&t=42s` });
  assert.deepEqual(links.copy, { label: "Wayback Machine copy, 2019-08-07", url: CAPTURE });

  const plain = path.join(channels, "demo-wayback", "data", "Plain12345a");
  mkdirSync(plain, { recursive: true });
  writeFileSync(path.join(plain, "metadata.info.json"), JSON.stringify({ id: "Plain12345a", extractor_key: "Youtube" }));
  assert.equal((await readCitedRecord(channels, "demo-wayback", "Plain12345a"))?.wayback, null);
});