#!/usr/bin/env node

// [start-readme]
//
// This script creates new static webhook payload files for a new version.
//
// [end-readme]

import fs from 'fs'
import { mkdirp } from 'mkdirp'
import path from 'path'
import { program } from 'commander'
import { allVersions } from '../../lib/all-versions.js'

const payloadsDir = 'src/webhooks/data'

program
  .description(
    'Create new payload files in src/webhooks/data/<new_version> based on an existing version.'
  )
  .option(
    '-n, --newVersion <version>',
    'The version to copy the payloads to. Must be in <plan@release> format.'
  )
  .option(
    '-o, --oldVersion <version>',
    'The version to copy the payloads from. Must be in <plan@release> format.'
  )
  .parse(process.argv)

const newVersion = program.opts().newVersion
const oldVersion = program.opts().oldVersion

if (!(newVersion && oldVersion)) {
  console.log('Error! You must provide --newVersion and --oldVersion.')
  process.exit(1)
}

if (
  !(Object.keys(allVersions).includes(newVersion) && Object.keys(allVersions).includes(oldVersion))
) {
  console.log(
    'Error! You must provide the full name of a currently supported version, e.g., enterprise-server@2.22.'
  )
  process.exit(1)
}

const newVersionDirName = allVersions[newVersion].miscVersionName
const oldVersionDirName = allVersions[oldVersion].miscVersionName

const srcDir = path.join(payloadsDir, oldVersionDirName)
const destDir = path.join(payloadsDir, newVersionDirName)

// create the new directory
await mkdirp(destDir)

// copy the files
fs.readdirSync(srcDir).forEach((file) => {
  const srcFile = path.join(srcDir, file)
  const destFile = path.join(destDir, file)
  fs.copyFileSync(srcFile, destFile)
})

// check that it worked
if (!fs.existsSync(destDir)) {
  console.log(`Error! A new directory was not successfully created at ${destDir}.`)
  process.exit(1)
}

if (!fs.readdirSync(destDir).length) {
  console.log(`Error! The directory created at ${destDir} is empty.`)
  process.exit(1)
}

// print success message
console.log(`Done! Copied ${srcDir} to ${destDir}.`)