import { Command } from 'commander';
import * as bomModule from '../src/services/qualimetrie/bomAgent';

// Mock bomAgent to return predictable data
jest.mock('../src/services/qualimetrie/bomAgent', () => ({
  ...jest.requireActual('../src/services/qualimetrie/bomAgent'),
  bomAgent: jest.fn(),
}));
const { cli, bomAgent } = bomModule;

describe('bomAgent CLI', () => {
  beforeEach(() => jest.clearAllMocks());

  it('exposes correct command and description', () => {
    expect(cli.command).toBe('qualimetrie:bom');
    expect(cli.description).toMatch(/Bill Of Materials/);
  });

  it('builder returns the same command without options', () => {
    const cmd = new Command();
    const result = cli.builder(cmd);
    expect(result).toBe(cmd);
    expect(cmd.options).toHaveLength(0);
  });

  it('handler prints report with summary and table', async () => {
    const fakeDate = '2023-01-01';
    // Stub Date to fixed date
    jest.spyOn(Date.prototype, 'toISOString').mockReturnValue(`${fakeDate}T00:00:00.000Z`);
    const fakePackages = [
      { name: 'pkg1', version: '1.0', license: 'GPL', risk: 'High' },
      { name: 'pkg2', version: '2.0', license: 'MIT', risk: 'Low' },
    ];
    (bomAgent as jest.Mock).mockResolvedValue({ packages: fakePackages });
    const logSpy = jest.spyOn(console, 'log').mockImplementation(() => {});

    await cli.handler(undefined);

    // First logs: header and date
    expect(logSpy).toHaveBeenNthCalledWith(1, '# 📜 Bill Of Materials Report');
    expect(logSpy).toHaveBeenNthCalledWith(2, expect.stringMatching(/^Date: 2023-01-01$/));
    // Executive summary lines
    expect(logSpy).toHaveBeenCalledWith('- Total packages: 2');
    expect(logSpy).toHaveBeenCalledWith('- High risk: 1');
    expect(logSpy).toHaveBeenCalledWith('- Medium risk: 0');
    expect(logSpy).toHaveBeenCalledWith('- Low risk: 1');
    expect(logSpy).toHaveBeenCalledWith('- Unknown risk: 0\n');
    // Details header and table
    expect(logSpy).toHaveBeenCalledWith('## 📜 Details');
    expect(logSpy).toHaveBeenCalledWith('| Package | Version | License | Risk |');
    expect(logSpy).toHaveBeenCalledWith('|---|---|---|---|');
    // Detail rows
    expect(logSpy).toHaveBeenCalledWith('| pkg1 | 1.0 | GPL | High |');
    expect(logSpy).toHaveBeenCalledWith('| pkg2 | 2.0 | MIT | Low |');

    logSpy.mockRestore();
    jest.restoreAllMocks();
  });
});