import fs from 'fs/promises'
import path from 'path'
import yaml from 'yaml'

import { Quest } from '@linux-odyssey/models'

const questDirectory = path.join(process.cwd(), '..', 'quests')

export default async function loadAndUpdateQuests() {
  const questNames = await fs.readdir(questDirectory)

  const quests = Promise.all(
    questNames
      .filter((name) => !name.startsWith('.'))
      .map(async (id) => {
        // Check if id is directory
        const stat = await fs.stat(path.join(questDirectory, id))
        if (!stat.isDirectory()) {
          return null
        }
        const fullPath = path.join(questDirectory, id, 'game.yml')

        try {
          // Read and parse the README.md file.
          const body = await fs.readFile(fullPath, 'utf-8')

          const quest = yaml.parse(body, {
            merge: true,
          })

          return Quest.findByIdAndUpdate(
            id,
            {
              _id: id,
              ...quest,
            },
            {
              upsert: true,
            }
          )
        } catch (error) {
          console.error(`Error parsing quest ${id}:`, error)
          throw error
        }
      })
  )

  return quests
}