import fs from 'fs';
import path from 'path';
import yaml from 'js-yaml';

const ROLES_DIR = '/action/app/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', ''];
  for (const r of roles) {
    lines.push(`- **${r.name}** (${r.role})：${r.personality}`);
  }
  return lines.join('\n');
}