/* Lib for interacting with customized ILIAS php */
const _ = require("lodash")
const settings = require("../settings")
const {getObjIdFromRefId} = require("./db")
const db = require("./db")
const {url, iliastoken} = settings.ilias
const search = require("./search")

/////////////////////////////////////////////////////////////////////////

module.exports = {
   importIliasUser,

   deleteUser,
   deleteAllUsers,
   deleteTeilnahme,
}

/////////////////////////////////////////////////////////////////////////


/////// USER IMPORT ////////////////////////////////////////////////////////////////

/**
 * Format in POPCORN für SOAP; ausprobieren ob das hier auch funktioniert, v.a. die user-defined-fields
 * {
 *         Action: "Insert",
 *         login: formatSapNr(dbMa.sapNr),
 *         password: passGen(12),
 *         firstname: dbMa.vorname,
 *         lastname: dbMa.nachname,
 *         email: email,
 *         gender: mapSex[dbMa.geschlecht],
 *         // GS-1894: Azubis wird der Ausbildungsberuf auch als Abteilung angezeigt
 *         department: getDepartment(dbMa),
 *         institution: dbMa.markt.markt,
 *         roleIdGlobal: 4,
 *         userDefinedField: [
 *             {
 *                 name: "Markt",
 *                 value: dbMa.markt.markt,
 *             },
 *             {
 *                 name: "Marktnummer",
 *                 value: dbMa.markt.nr,
 *             },
 *             {
 *                 name: "Personalnummer",
 *                 value: formatSapNr(dbMa.sapNr),
 *             },
 *         ],
 *     }
 * @param user
 * @returns {Promise<any>}
 */
async function importIliasUser (user) {
   const sp = new URLSearchParams({
      command: "importUser",
      token: iliastoken,
   })
   let url2 = `${url}?${sp.toString()}`

   const udfDef = await db.getUdf()
   const udfMap = _.keyBy(udfDef, "field_name")
   user.udf = _.mapKeys(user.udf, function (value, key) {
      return udfMap[key].field_id
   })

   const res = await fetch(url2, {
      method: "POST",
      body: JSON.stringify(user)
   })
   const text = await res.text()
   try {
      return JSON.parse(text)
   } catch (ex) {
      console.error(ex.message)
      console.log(text)
      throw ex
   }
}

/////// USER DELETE ////////////////////////////////////////////////////////////////

async function deleteUser (obj_id, dry = false) {
   const sp = new URLSearchParams({
      command: "deleteUser",
      obj_id,
      // dry: "1",
      dry: dry ? "1" : "0",
      token: iliastoken,
   })
   let url2 = `${url}?${sp.toString()}`
   const res = await fetch(url2, {method: "DELETE"})
   const data = await res.json()
   // TODO update search index
   return data //
}

async function deleteAllUsers () {
   const {data: users} = await db.getUsers(0, 100000)
   const res = {
      command: "deleteAllUsers",
      start: new Date(),
      end: new Date(),
      duration: null,
      count: 0,
      userIds: [],
   }
   for (const user of users) {
      await deleteUser(user.usr_id)
      res.count += 1
      res.userIds.push(user.usr_id)
   }
   res.end = new Date()
   res.duration = res.end - res.start
   // TODO update search index
   return res
}

async function deleteTeilnahme (ref_id, usr_id, dry = false) {
   const {obj_id} = await getObjIdFromRefId(ref_id)
   const sp = new URLSearchParams({
      command: "deleteTeilnahme",
      obj_id,
      usr_id,
      dry: dry ? "1" : "0",
      token: iliastoken,
   })
   let url2 = `${url}?${sp.toString()}`
   console.log("libIlias.deleteTeilnahme >>>", url2)
   let res
   try {
      res = await fetch(url2, {method: "DELETE"})
      return await res.json()
   } catch (ex) {
      console.error(ex)
      throw ex
   }
}