import { pathExistsSync } from 'fs-extra'
import path from 'path'

export function getLowcodeViewFilePath({
  dir,
  pkg,
  es = true,
}: {
  dir: string
  pkg: string
  es: boolean
}) {
  const pkgDir = path.join(dir, 'node_modules', pkg)
  const esExist = pathExistsSync(path.join(pkgDir, 'es'))
  const dirName = es && esExist ? 'es' : 'lib'
  try {
    const codeDir = path.join(pkgDir, dirName)
    // 匹配 'view.js', 'view.jsx' (旧的低码 view)
    // 不要匹配 view/index.js 和 view/index.jsx (新的源码 view)
    for (const entry of [
      'lowcode/view.js',
      'lowcode/view.jsx',
      'view.js',
      'view.jsx',
      'index.js',
      'index.jsx',
    ]) {
      if (pathExistsSync(path.join(codeDir, entry))) {
        return `${pkg}/${dirName}/${entry.replace(/\.(j|t)sx?$/, '')}`
      }
    }
  } catch (err) {
    //
  }
  return `${pkg}/${dirName}/index`
}