/**
 * fun 结点：create-folder（脚本名 create-forder 为历史拼写）
 * inVars[0] 或字段 path：目录路径（相对当前流程目录或绝对路径）
 * 使用 fs.mkdirSync(..., { recursive: true })
 */

const path = require('path')
const fs = require('fs')

function buildAbsolutePath (p, folderPath) {
  if (p == null || p === '') return null
  const s = typeof p === 'string' ? p.trim() : String(p).trim()
  if (!s) return null
  if (path.isAbsolute(s) || /^[A-Za-z]:/.test(s)) return path.normalize(s)
  return folderPath ? path.join(folderPath, s) : path.resolve(s)
}

/**
 * @param {{ path?: string, dirPath?: string, folderPath?: string }} input
 */
async function executeCreateFolder ({ path: p, dirPath, folderPath }) {
  const rel = p != null && String(p).trim() !== '' ? p : dirPath
  if (rel == null || String(rel).trim() === '') {
    return { success: false, error: 'create-folder 缺少 path（inVars[0] 或字段 path）' }
  }
  const abs = buildAbsolutePath(String(rel).trim(), folderPath)
  if (!abs) return { success: false, error: 'create-folder 路径无效' }
  try {
    fs.mkdirSync(abs, { recursive: true })
  } catch (e) {
    return { success: false, error: e && e.message ? e.message : String(e) }
  }
  return {
    success: true,
    path: abs,
    value: abs,
    result: abs,
  }
}

module.exports = { executeCreateFolder }