/**
 * Tests for shell completion
 */

import { describe, expect, it } from 'bun:test';
import { getCompletions } from './completion';

describe('getCompletions', () => {
  it('completes top-level commands', async () => {
    const suggestions = await getCompletions(['m'], 0);
    expect(suggestions).toContain('module');
    expect(suggestions).toContain('machine');
    expect(suggestions).not.toContain('service');
  });

  it('completes service subcommands', async () => {
    const suggestions = await getCompletions(['service', 'v'], 1);
    expect(suggestions).toContain('verify');
    expect(suggestions).not.toContain('add');
  });

  it('completes service add providers', async () => {
    const suggestions = await getCompletions(['service', 'add', 'p'], 2);
    expect(suggestions).toContain('proxmox');
    expect(suggestions).not.toContain('digitalocean');
  });

  it('returns empty array for unknown context', async () => {
    const suggestions = await getCompletions(['unknown', 'command'], 2);
    expect(suggestions).toEqual([]);
  });

  it('handles completion at different positions', async () => {
    const suggestions = await getCompletions(['module', 'li'], 1);
    expect(suggestions).toContain('list');
  });
});