import { describe, expect, it } from 'bun:test';
import { resolve } from 'node:path';
import { isCommandersDir } from './claude-sessions';
import { getCommandersDir } from '../../data-path';

const EMAIL = 'pastilhas@officer.dev';

// The live payload's `isCommander` is derived from a cwd read out of a transcript, so it is whatever the
// process was actually in — not a path this code composed. These are the shapes that arrive.
describe('isCommandersDir', () => {
  const dir = getCommandersDir(EMAIL);

  it('recognises the commanders directory', () => {
    expect(isCommandersDir(EMAIL, dir)).toBe(true);
  });

  it('survives a trailing slash and a .. hop', () => {
    expect(isCommandersDir(EMAIL, `${dir}/`)).toBe(true);
    expect(isCommandersDir(EMAIL, `${dir}/sub/..`)).toBe(true);
  });

  it('rejects a sibling and a child', () => {
    expect(isCommandersDir(EMAIL, resolve(dir, '..'))).toBe(false);
    expect(isCommandersDir(EMAIL, resolve(dir, 'nested'))).toBe(false);
  });

  // A commander's cwd belongs to the account that owns it. Reading one user's directory as another's
  // would file their commanders under the wrong person and, in the iPhone swipe order, show them.
  it('is per account', () => {
    expect(isCommandersDir('someone-else@officer.dev', dir)).toBe(false);
  });

  it('never throws on rubbish', () => {
    expect(isCommandersDir(EMAIL, '')).toBe(false);
    expect(isCommandersDir(EMAIL, '\0')).toBe(false);
  });
});