import assert from 'node:assert/strict';
import test from 'node:test';
import {
  backfillMindspaceSeoGeoHtml,
  buildMindspaceGeoPayload,
  ensureSeoGeoWarningsFixed,
  upsertMindspaceGeoMeta,
} from './mindspace-geo-backfill.mjs';

test('buildMindspaceGeoPayload derives summary and faq from page content', () => {
  const html = `<!doctype html><html><head><title>苏州攻略</title></head><body>
    <h1>苏州攻略</h1>
    <h2>最佳季节</h2><p>春秋两季最适合游览苏州园林与古镇。</p>
  </body></html>`;
  const payload = buildMindspaceGeoPayload(html);
  assert.match(payload.summary, /苏州/);
  assert.ok(payload.keywords.length >= 2);
  assert.equal(payload.faq[0].q, '最佳季节');
});

test('backfillMindspaceSeoGeoHtml inserts mindspace-geo and description', () => {
  const html = '<html><head><title>Demo</title></head><body><h1>Demo</h1></body></html>';
  const next = backfillMindspaceSeoGeoHtml(html);
  assert.match(next, /name="description"/);
  assert.match(next, /name="mindspace-geo"/);
  assert.match(next, /name="mindspace-cover"/);
});

test('ensureSeoGeoWarningsFixed adds brand footer, raster cover, and outline', () => {
  const html = '<html><head><title>Demo Page</title></head><body><h1>Demo Page</h1></body></html>';
  const next = ensureSeoGeoWarningsFixed(html);
  assert.match(next, /data-mindspace-page-tag="platform-brand"/);
  assert.match(next, /data-mindspace-seo-outline="1"/);
  assert.match(next, /tkmind-icon\.png/);
});

test('upsertMindspaceGeoMeta replaces existing geo meta', () => {
  const html = `<html><head><meta name="mindspace-geo" content='{"summary":"旧"}'></head></html>`;
  const next = upsertMindspaceGeoMeta(html, { summary: '新摘要', keywords: ['a', 'b'], faq: [{ q: 'Q', a: 'A'.repeat(12) }] });
  assert.match(next, /新摘要/);
  assert.doesNotMatch(next, /旧/);
});