global.js

import { createSelector } from 'reselect'

const selectGlobal = state => state.global

const selectNetworkEnabled = createSelector(selectGlobal, global => global.networkEnabled)
const selectServerConnectionStatus = createSelector(
  selectGlobal,
  global => global.serverConnectionStatus,
)
const selectLoginStatus = createSelector(
  selectGlobal,
  global => global.loginStatus,
)

const selectTaxes = createSelector(
  selectGlobal,
  global => global.taxes,
)

const selectDecimalPrecisions = createSelector(
  selectGlobal,
  global => global.decimalPrecisions,
)

const selectProductDP = createSelector(
  selectDecimalPrecisions,
  dp => dp['Product Price'],
)

const selectCurrency = createSelector(
  selectGlobal,
  global => global.currency,
)

const selectCompany = createSelector(
  selectGlobal,
  global => global.company,
)

const selectPosConfig = createSelector(
  selectGlobal,
  global => global.posConfig,
)

const selectUnitsById = createSelector(
  selectGlobal,
  global => global.unitsById,
)

const selectLoginData = createSelector(
  selectGlobal,
  global => global.loginData,
)

const selectLoggedUser = createSelector(
  selectGlobal,
  global => global.loggedUser,
)

const selectCashRegisters = createSelector(
  selectGlobal,
  global => global.cashregisters,
)

const selectPaymentMethods = createSelector(
  selectCashRegisters,
  (crs) => {
    const methods = {}
    crs.forEach((cr) => {
      methods[cr.journal.type] = {
        account_id: cr.account_id[0],
        currency: cr.currency_id[1],
        statement_id: cr.id,
        journal_id: cr.journal_id[0],
      }
    })
    return methods
  },
)

const selectLoggedUserId = createSelector(
  selectLoginData,
  loginData => loginData.uid,
)

const selectConfigError = createSelector(
  selectGlobal,
  global => global.configError,
)

const selectPosSession = createSelector(
  selectGlobal,
  global => global.posSession,
)

function zeroPad(num, size) {
  let s = String(num)
  while (s.length < size) {
    s = `0${s}`
  }
  return s
}

const selectUniqueId = createSelector(
  selectPosSession,
  posSession => (
    // TODO: calculate sequence number based on actual total local existing orders
    `${zeroPad(posSession.id, 5)}-${zeroPad(posSession.login_number, 3)}-${zeroPad(posSession.sequence_number + 1, 4)}`
  ),
)


export {
  selectTaxes,
  selectCompany,
  selectCurrency,
  selectUniqueId,
  selectProductDP,
  selectUnitsById,
  selectLoginData,
  selectPosConfig,
  selectLoggedUser,
  selectPosSession,
  selectConfigError,
  selectLoginStatus,
  selectLoggedUserId,
  selectCashRegisters,
  selectPaymentMethods,
  selectNetworkEnabled,
  selectDecimalPrecisions,
  selectServerConnectionStatus,
}