import { beforeEach, describe, expect, it, mock } from 'bun:test';
import {
  __yahooCompanyProfileInternals,
  getYahooCompanyDescription
} from './yahoo-company-profile';

describe('yahoo company profile', () => {
  beforeEach(() => {
    __yahooCompanyProfileInternals.resetCaches();
  });

  it('extracts a Yahoo session cookie from response headers', () => {
    const headers = new Headers();
    headers.append('set-cookie', 'A3=session-token; Domain=.yahoo.com; Path=/; Secure; HttpOnly');

    expect(__yahooCompanyProfileInternals.pickYahooSessionCookie(headers)).toBe('A3=session-token');
  });

  it('normalizes and clips long descriptions', () => {
    const value = `  Microsoft   builds software.\n\n\n${'x'.repeat(1800)}  `;
    const normalized = __yahooCompanyProfileInternals.normalizeDescription(value);

    expect(normalized).toContain('Microsoft builds software.');
    expect((normalized?.length ?? 0) <= 1600).toBe(true);
  });

  it('fetches longBusinessSummary through Yahoo cookie and crumb endpoints', async () => {
    const fetchMock = mock(async (input: string | URL | Request) => {
      const url = String(input);

      if (url === 'https://fc.yahoo.com') {
        return new Response('', {
          status: 404,
          headers: {
            'set-cookie': 'A3=session-token; Domain=.yahoo.com; Path=/; Secure; HttpOnly'
          }
        });
      }

      if (url === 'https://query1.finance.yahoo.com/v1/test/getcrumb') {
        return new Response('crumb-token', { status: 200 });
      }

      if (url === 'https://query1.finance.yahoo.com/v10/finance/quoteSummary/MSFT?modules=assetProfile&crumb=crumb-token') {
        return Response.json({
          quoteSummary: {
            result: [
              {
                assetProfile: {
                  longBusinessSummary: 'Microsoft builds cloud and software products worldwide.'
                }
              }
            ]
          }
        });
      }

      throw new Error(`Unexpected URL: ${url}`);
    }) as unknown as typeof fetch;

    const description = await getYahooCompanyDescription('msft', { fetchImpl: fetchMock });

    expect(description).toBe('Microsoft builds cloud and software products worldwide.');
    expect(fetchMock).toHaveBeenCalledTimes(3);
  });
});