import { describe, expect, it } from 'vitest';
import { getConnectorMeta } from '@rareindex/connectors';
import { loadFixture, runFixtureSuite } from '@rareindex/connectors/testing';
import createConnector, { splitMasterTitle, variantFromFormat, yearFromReleased } from './index.js';

const connector = createConnector(getConnectorMeta('discogs'));

describe('discogs', () => {
  runFixtureSuite(connector, it, expect);

  it('maps versions to music catalog items with deterministic identifiers', async () => {
    const fx = loadFixture('discogs', 'nevermind-versions');
    const out = await connector.normalize(fx.raw);
    expect(out.length).toBeGreaterThan(5);
    for (const r of out) {
      if (r.kind !== 'catalog_item') throw new Error('expected catalog_item');
      expect(r.attributes.categorySlug).toBe('music');
      expect(r.attributes.identifiers.discogs_release_id).toMatch(/^\d+$/);
      expect(r.attributes.identifiers.discogs_master_id).toBe('13814');
      expect(r.attributes.name).toBe('Nirvana – Nevermind');
      expect(r.sourceUrl).toMatch(/discogs\.com\/release\/\d+$/);
    }
  });

  it('maps marketplace stats to a low observation with sample size', async () => {
    const fx = loadFixture('discogs', 'nevermind-release-stats');
    const out = await connector.normalize(fx.raw);
    const obs = out.find((r) => r.kind === 'price_observation');
    if (obs?.kind !== 'price_observation') throw new Error('expected observation');
    expect(obs.priceKind).toBe('low');
    expect(obs.price).toBeGreaterThan(0);
    expect(obs.currency).toBe('USD');
    expect(obs.sampleSize).toBeGreaterThan(0);
    expect(obs.confidence).toBeLessThanOrEqual(0.7);
  });

  it('helpers', () => {
    expect(splitMasterTitle('Nirvana - Nevermind')).toEqual({ artist: 'Nirvana', title: 'Nevermind' });
    expect(splitMasterTitle('Homogenic')).toEqual({ artist: null, title: 'Homogenic' });
    expect(variantFromFormat('Album, Reissue, 180 Gram')).toBe('Reissue, 180 Gram');
    expect(variantFromFormat('Album, LP')).toBeNull();
    expect(yearFromReleased('1991-09-24')).toBe(1991);
    expect(yearFromReleased(null)).toBeNull();
  });
});