import { describe, expect, test } from 'bun:test';
import { mkdirSync, mkdtempSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { toolPath, wellKnownToolDirs } from '../cli/lib/tools';

describe('tool folders outside PATH', () => {
  test('finds the Android SDK Android Studio installs, after the own PATH', () => {
    const home = mkdtempSync(join(tmpdir(), 'sb-home-'));
    mkdirSync(join(home, 'Library/Android/sdk/platform-tools'), { recursive: true });
    mkdirSync(join(home, 'Library/Android/sdk/emulator'), { recursive: true });
    const env = { HOME: home, PATH: '/usr/bin:/bin' };
    expect(wellKnownToolDirs(env, 'darwin')).toContain(join(home, 'Library/Android/sdk/platform-tools'));
    const p = toolPath(env, 'darwin').split(':');
    expect(p.slice(0, 2)).toEqual(['/usr/bin', '/bin']);
    expect(p).toContain(join(home, 'Library/Android/sdk/emulator'));
  });

  test('ANDROID_HOME wins, missing folders are skipped, app folders come first', () => {
    const sdk = mkdtempSync(join(tmpdir(), 'sb-sdk-'));
    mkdirSync(join(sdk, 'platform-tools'));
    const env = { HOME: '/nonexistent', ANDROID_HOME: sdk, PATH: '/usr/bin', STOREBOUND_TOOL_PATH: '/app/tools' };
    const p = toolPath(env, 'linux').split(':');
    expect(p[0]).toBe('/app/tools');
    expect(p).toContain(join(sdk, 'platform-tools'));
    expect(p).not.toContain(join(sdk, 'emulator'));
  });
});