import { describe, expect, it } from 'bun:test';
import type { Filing } from '@/lib/types';
import { __recentDevelopmentsInternals, getRecentDevelopments, secFilingsDevelopmentSource } from './recent-developments';

function filing(input: Partial<Filing> & Pick<Filing, 'accession_number' | 'filing_type' | 'filing_date' | 'ticker' | 'cik' | 'company_name'>): Filing {
  return {
    id: 1,
    filing_url: 'https://www.sec.gov/Archives/example.htm',
    submission_url: null,
    primary_document: 'example.htm',
    metrics: null,
    analysis: null,
    created_at: '2026-03-01T00:00:00.000Z',
    updated_at: '2026-03-01T00:00:00.000Z',
    ...input
  };
}

describe('recent developments', () => {
  it('prioritizes 8-K items ahead of periodic filings', async () => {
    const items = await secFilingsDevelopmentSource.fetch('MSFT', {
      now: new Date('2026-03-12T12:00:00.000Z'),
      filings: [
        filing({
          accession_number: '0001',
          filing_type: '10-Q',
          filing_date: '2026-03-09',
          ticker: 'MSFT',
          cik: '0000789019',
          company_name: 'Microsoft Corp'
        }),
        filing({
          accession_number: '0002',
          filing_type: '8-K',
          filing_date: '2026-03-10',
          ticker: 'MSFT',
          cik: '0000789019',
          company_name: 'Microsoft Corp'
        })
      ]
    });

    expect(items[0]?.kind).toBe('8-K');
    expect(items[0]?.title).toContain('8-K');
  });

  it('builds a ready recent developments payload from filing records', async () => {
    const developments = await getRecentDevelopments('MSFT', {
      now: new Date('2026-03-12T12:00:00.000Z'),
      filings: [
        filing({
          accession_number: '0002',
          filing_type: '8-K',
          filing_date: '2026-03-10',
          ticker: 'MSFT',
          cik: '0000789019',
          company_name: 'Microsoft Corp',
          analysis: {
            text: 'The company announced a new enterprise AI contract.',
            provider: 'zhipu',
            model: 'glm-5'
          }
        })
      ]
    });

    expect(developments.status).toBe('ready');
    expect(developments.items).toHaveLength(1);
    expect(developments.items[0]?.summary).toContain('enterprise AI contract');
  });

  it('creates heuristic summaries when filing analysis is unavailable', () => {
    const summary = __recentDevelopmentsInternals.buildSummary(
      filing({
        accession_number: '0003',
        filing_type: '10-K',
        filing_date: '2026-03-02',
        ticker: 'MSFT',
        cik: '0000789019',
        company_name: 'Microsoft Corp'
      })
    );

    expect(summary).toContain('10-K');
  });
});