import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { mkdtempSync, rmSync, existsSync } from 'fs';
import { tmpdir } from 'os';
import { join } from 'path';
import { writeEntity, readEntity } from '../src/core/files.js';

describe('files', () => {
  let cwd: string;

  beforeEach(() => {
    cwd = mkdtempSync(join(tmpdir(), 'agenthub-'));
  });

  afterEach(() => {
    rmSync(cwd, { recursive: true, force: true });
  });

  it('writes and reads a markdown entity', () => {
    const filePath = join(cwd, 'test.md');
    const frontmatter = { id: 'TSK-0001', title: 'Test' };
    const body = '# Test\n\nHello';

    writeEntity(filePath, frontmatter, body);
    const result = readEntity(filePath);

    expect(result.frontmatter.id).toBe('TSK-0001');
    expect(result.body.trim()).toBe('# Test\n\nHello');
    expect(existsSync(filePath)).toBe(true);
  });
});