import { describe, expect, it } from 'vitest';
import { looksLikeTweetInput, resolveCliInvocation } from '../src/lib/cli-args.js';

describe('cli-args', () => {
  const known = new Set(['tweet', 'reply', 'read', 'replies', 'thread', 'search', 'mentions', 'whoami', 'check']);

  it('detects tweet URLs', () => {
    expect(looksLikeTweetInput('https://x.com/user/status/1234567890')).toBe(true);
    expect(looksLikeTweetInput('http://twitter.com/user/status/1234567890')).toBe(true);
    expect(looksLikeTweetInput('x.com/user/status/1234567890')).toBe(true);
  });

  it('detects numeric tweet ids', () => {
    expect(looksLikeTweetInput('1234567890')).toBe(true);
    expect(looksLikeTweetInput('123')).toBe(false);
  });

  it('returns help for empty args', () => {
    const result = resolveCliInvocation([], known);
    expect(result.showHelp).toBe(true);
    expect(result.argv).toBeNull();
  });

  it('rewrites bare tweet url to read command', () => {
    const result = resolveCliInvocation(['https://x.com/user/status/1234567890'], known);
    expect(result.showHelp).toBe(false);
    expect(result.argv).toEqual(['node', 'bird', 'read', 'https://x.com/user/status/1234567890']);
  });

  it('rewrites bare tweet id to read command', () => {
    const result = resolveCliInvocation(['1234567890123456789'], known);
    expect(result.argv).toEqual(['node', 'bird', 'read', '1234567890123456789']);
  });

  it('preserves leading options before inferred read command', () => {
    const result = resolveCliInvocation(['--engine', 'sweetistics', 'https://x.com/user/status/1234567890'], known);
    expect(result.argv).toEqual([
      'node',
      'bird',
      '--engine',
      'sweetistics',
      'read',
      'https://x.com/user/status/1234567890',
    ]);
  });

  it('does not rewrite when a known command is provided', () => {
    const result = resolveCliInvocation(['read', 'https://x.com/user/status/1234567890'], known);
    expect(result.argv).toBeNull();
  });

  it('does not rewrite unknown commands', () => {
    const result = resolveCliInvocation(['https://example.com'], known);
    expect(result.argv).toBeNull();
    expect(result.showHelp).toBe(false);
  });
});