import { describe, it, expect, vi } from 'vitest';
import { formatPrompt, parseCommand, type TuiCommand } from './minimal.js';

describe('formatPrompt', () => {
  it('formats default prompt', () => {
    const prompt = formatPrompt('default');
    expect(prompt).toBe('flynn> ');
  });

  it('formats thinking prompt', () => {
    const prompt = formatPrompt('thinking');
    expect(prompt).toContain('...');
  });
});

describe('parseCommand', () => {
  it('parses /quit command', () => {
    const result = parseCommand('/quit');
    expect(result).toEqual({ type: 'quit' });
  });

  it('parses /reset command', () => {
    const result = parseCommand('/reset');
    expect(result).toEqual({ type: 'reset' });
  });

  it('parses /transfer command with target', () => {
    const result = parseCommand('/transfer telegram');
    expect(result).toEqual({ type: 'transfer', target: 'telegram' });
  });

  it('parses /fullscreen command', () => {
    const result = parseCommand('/fullscreen');
    expect(result).toEqual({ type: 'fullscreen' });
  });

  it('parses regular message', () => {
    const result = parseCommand('Hello, Flynn!');
    expect(result).toEqual({ type: 'message', content: 'Hello, Flynn!' });
  });

  it('returns null for empty input', () => {
    const result = parseCommand('');
    expect(result).toBeNull();
  });
});