import { readdirSync } from 'node:fs';
import { readFile } from 'node:fs/promises';
import path from 'node:path';
import { describe, expect, it } from 'vitest';
import { BUNDLED_COURSE_SKILL_IDS } from '@electron/opencode/superpowers';

const projectRoot = process.cwd();
const skillPath = path.join(projectRoot, '.opencode', 'skills', 'youth-plain-language', 'SKILL.md');

describe('youth plain language Skill', () => {
  it('contains the required audience, clarity, accuracy, error, and respect rules', async () => {
    const content = await readFile(skillPath, 'utf8');

    expect(content).toContain('面向 10–16 岁青少年');
    expect(content).toContain('一句话只讲一件事');
    expect(content).toContain('先说它能做什么');
    expect(content).toContain('代码、命令、文件路径、接口名、字段名、错误原文和品牌名必须保持准确');
    expect(content).toContain('不评价学生本人');
    expect(content).toContain('不使用幼儿化或居高临下语气');
  });

  it('remains available as a manually selectable Skill without being injected into new Agents', () => {
    expect(BUNDLED_COURSE_SKILL_IDS).toContain('youth-plain-language');
    expect(readdirSync(path.join(projectRoot, '.opencode', 'agent'))).toEqual([]);
  });
});