import assert from 'node:assert/strict';
import test from 'node:test';
import {
  InstagramExtractor,
  normalizeInstagramSessionCookie,
} from '../src/services/extractors/instagram.extractor.js';
import { readTranscriptSegments } from '../src/services/extractors/youtube.extractor.js';

test('Instagram session ID를 Cookie 헤더 형식으로 정규화한다', () => {
  assert.equal(
    normalizeInstagramSessionCookie('123456%3Aexample'),
    'sessionid=123456%3Aexample;',
  );
  assert.equal(
    normalizeInstagramSessionCookie('sessionid=123456%3Aexample;'),
    'sessionid=123456%3Aexample;',
  );
});

test('Instagram 릴스의 커버 이미지를 썸네일로 사용한다', async () => {
  let requestedMediaId;
  const extractor = new InstagramExtractor({
    sessionCookie: '123456%3Aexample',
    clientFactory: () => ({
      fetchPost: async () => ({
        caption: '테스트 레시피',
        media_id: 'media-1',
        shortcode: 'Db137BuzUJe',
        postType: 'reel',
        links: [{ type: 'video', url: 'https://video.example.com/reel.mp4' }],
      }),
      fetchPostByMediaId: async (mediaId) => {
        requestedMediaId = mediaId;
        return {
          items: [{
            image_versions2: {
              candidates: [{ url: 'https://images.example.com/reel-cover.jpg' }],
            },
          }],
        };
      },
    }),
  });

  const source = await extractor.extract('https://www.instagram.com/reel/Db137BuzUJe/');

  assert.equal(requestedMediaId, 'media-1');
  assert.equal(source.thumbnailUrl, 'https://images.example.com/reel-cover.jpg');
});

test('youtubei.js transcript 구조에서 timestamp를 보존한다', () => {
  const result = readTranscriptSegments({
    transcript: {
      content: {
        body: {
          initial_segments: [
            { start_ms: '12400', end_ms: '18000', snippet: { toString: () => '김치를 볶는다' } },
            { start_ms: '18000', end_ms: '24000', snippet: { toString: () => '물을 넣는다' } },
          ],
        },
      },
    },
  });

  assert.deepEqual(result, [
    { startSec: 12.4, endSec: 18, text: '김치를 볶는다' },
    { startSec: 18, endSec: 24, text: '물을 넣는다' },
  ]);
});