/*
 * Copyright (c) 2014-2026 Bjoern Kimminich & the OWASP Juice Shop contributors.
 * SPDX-License-Identifier: MIT
 */

import { describe, it, before } from 'node:test'
import assert from 'node:assert/strict'
import fs from 'node:fs'
import path from 'node:path'
import { promisify } from 'util'
import { safeLoad } from 'js-yaml'

const readFile = promisify(fs.readFile)

const loadYamlFile = async (filename: string) => {
  const contents = await readFile(filename, { encoding: 'utf8' })
  return safeLoad(contents)
}

void describe('challengeTutorialSequence', () => {
  let challenges: any
  before(async () => {
    challenges = await loadYamlFile(path.resolve('data/static/challenges.yml'))
  })

  void it('should have unique tutorial orders', async () => {
    const tutorialOrderCounts: any = {}

    for (const { tutorial } of challenges) {
      if (tutorial) {
        const order: string = tutorial.order
        if (!Object.prototype.hasOwnProperty.call(tutorialOrderCounts, order)) {
          tutorialOrderCounts[order] = 0
        }
        tutorialOrderCounts[order]++
      }
    }

    for (const order of Object.keys(tutorialOrderCounts)) {
      const count = tutorialOrderCounts[order]

      assert.equal(count, 1, `Tutorial order "${order}" is used for multiple challenges.`)
    }
  })
})