import { describe, it, expect } from 'vitest';
import { DESCRIPTION_PHRASES, pickRandomPhrase } from '../../src/lib/server/ai/description-phrases';

describe('description-phrases', () => {
  it('contains exactly 50 entries', () => {
    expect(DESCRIPTION_PHRASES).toHaveLength(50);
  });

  it('has no empty or whitespace-only entries', () => {
    for (const phrase of DESCRIPTION_PHRASES) {
      expect(phrase.trim().length).toBeGreaterThan(0);
    }
  });

  it('has no duplicates', () => {
    const set = new Set(DESCRIPTION_PHRASES);
    expect(set.size).toBe(DESCRIPTION_PHRASES.length);
  });

  it('pickRandomPhrase returns a member of the pool', () => {
    const pool = new Set(DESCRIPTION_PHRASES);
    for (let i = 0; i < 100; i++) {
      expect(pool.has(pickRandomPhrase())).toBe(true);
    }
  });
});