const log     = require('../utils/log.utils')  // Currently no logging on this page
const auth    = require('../utils/auth.utils')
const db      = require('./dbAccess.services')
const mail    = require('./mail.services')
const clean   = require('../utils/sanitizer.utils')
const domList = require('../configs/domains.configs')

async function createRegKey(eml){
    const domain = await clean.splitDomain(eml)
    log.out(`registerServices: New registration request from domain: ${domain}`, "info")
    if (domList.valid.includes(domain)) { // Needs testing
      const uuid = auth.generateKey();
      db.addRegReq(await uuid, domain)
      const message = auth.generateConfirmationEmail(eml, uuid)
      if (await message == false) { // This error should be handled in the upstream function
        const err = new Error("Message generation error");
        log.out(`registerServices.createRegKey: Error generating registration email`, "err")
        return 500;
      }
      return await mail.send(message);
    }
    return 401;
}

async function regUser(req) {
    if (util.checkRequest(req.key) == true) {
        // Run DB Query to get the email domain to store alongside the api_key
        apiKey = await db.addUser(await util.generateKey())
        return {status: 201, message: "User added", api_key: apiKey}
    } else {
        return {status: 401, message: "Unautorised"}
    }
}

module.exports = {
    regUser,
    createRegKey
}