const express = require('express')
const crypto = require('crypto')
const fs = require('fs/promises')

const app = express()

const buildUpdates = async () => {
  const files = await(fs.readdir('./public'))
  const r = /[^0-9]+([0-9.]+)\..*/

  return files.map(file => ({
    version: file.match(r)[1],
    'update_link': `https://bb-addon.sagev.space/${file}`
  }))
}

/**
 * {
 *   addons: {
 *     [stringId1]: {
 *       updates: [
 *         {
 *           version: '1.0.9.xpi',
 *           update_link: `https://bb-addon.sagev.space/${file}`
 *         },
 *         ...
 *       ]
 *     },
 *     [stringId2]: ...
 *   }
 * }
 */
const buildJson = async () => {
  const uuid1 = '16f4f9af-ad27-41b7-adae-b0b08bc17b43'
  const uuid2 = 'svaillancourt@add123.com'
  const object = {
    addons: {}
  }
  const updates = await buildUpdates()
  object.addons[uuid1] = { updates }
  object.addons[uuid2] = { updates }
  return JSON.stringify(object, null, 2)
}

app.use(express.static('public'))

app.get('/updates.json', (request, response) => {
  buildJson().then(json => response.send(json))
    //response.send(JSON.stringify(buildJson()))
})

app.listen(5643, () => {
    console.log('Listen on the port 5643...')
})