import assert from 'node:assert/strict'
import { existsSync, readdirSync } from 'node:fs'
import { extname, join, relative, resolve } from 'node:path'

const root = resolve(import.meta.dirname, '..')
const pagesRoot = resolve(root, 'miniapp/pages')

function walk(directory) {
  return readdirSync(directory, { withFileTypes: true }).flatMap((entry) => {
    const absolutePath = join(directory, entry.name)
    return entry.isDirectory() ? walk(absolutePath) : [absolutePath]
  })
}

const duplicatePageSources = walk(pagesRoot)
  .filter((file) => extname(file) === '.ts')
  .filter((file) => existsSync(file.replace(/\.ts$/, '.js')))
  .map((file) => relative(root, file).replace(/\\/g, '/'))

assert.deepEqual(
  duplicatePageSources,
  [],
  `小程序页面存在 TS/JS 双源，可能导致微信开发者工具加载旧实现：\n${duplicatePageSources.join('\n')}`,
)

console.log('Miniapp page source uniqueness contracts passed')