import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
import yaml from 'js-yaml';

const ROLES_DIR = path.join(fileURLToPath(import.meta.url), '..', 'prompts', 'roles');

export function loadRoles() {
  return fs.readdirSync(ROLES_DIR)
    .filter(f => f.endsWith('.yaml'))
    .sort()
    .map(f => yaml.load(fs.readFileSync(path.join(ROLES_DIR, f), 'utf8')));
}

export function getRoleIntro(roles) {
  const lines = [
    '## 🤖 AI Code Review 團隊', '',
    '| 👤 名稱 | 🎯 職責 | 🧠 個性 |',
    '|--------|--------|--------|',
  ];
  for (const r of roles) {
    lines.push(`| **${r.name}** | ${r.role} | ${r.personality} |`);
  }
  return lines.join('\n');
}