const utils = require('../utils/utils.js')
const logger = require('../utils/logger.js')
const dbtools = require('../utils/dbtools.js')
const dbStructPath = '../modules/api/apiDBStruct.json'
const usersDBPath = '../data/dbs/users.db'
const uuidv4 = require('uuid/v4') // TODO: deprecated, but imports are not supported

let authDB

console.clear()
CreateDB()

function CreateDB () {
  const dbStruct = utils.ReadJSON(dbStructPath)
  authDB = dbtools.GetDB(usersDBPath)

  Object.keys(dbStruct).forEach((tableName) => {
    const tableData = dbStruct[tableName]
    dbtools.CreateTable(authDB, tableName, tableData.tableStruct, tableData.foreignKey)
  })

  try {
    const uids = utils.ReadFile('../dbUsers/keys').split('\n')

    uids.forEach((cid, i) => {
      logger.Log(`[ ${i} / ${uids.length} ]`)
      try {
        dbtools.Insert(authDB, 'users', {
          pw: uuidv4(),
          oldCID: cid
        })
      } catch (e) {
        logger.Log('Error during inserting', logger.GetColor('redbg'))
        console.error(e)
      }
    })
  } catch (e) {
    console.error(e)
  }

  const dir = `./dbSetupResult/${GetDateString().replace(/ /g, '_')}`
  utils.CreatePath(dir)
  Object.keys(dbStruct).forEach((key) => {
    const path = `${dir}/${key}.json`
    logger.Log(`Writing ${path}...`)
    utils.WriteFile(JSON.stringify({
      tableInfo: dbtools.TableInfo(authDB, key),
      tableRows: dbtools.SelectAll(authDB, key)
    }), path)
  })

  logger.Log('Done')
}

function GetDateString () {
  const m = new Date()
  const d = m.getFullYear() + '-' +
    ('0' + (m.getMonth() + 1)).slice(-2) + '-' +
    ('0' + m.getDate()).slice(-2) + ' ' +
    ('0' + m.getHours()).slice(-2) + ':' +
    ('0' + m.getMinutes()).slice(-2) + ':' +
    ('0' + m.getSeconds()).slice(-2)
  return d
}