import _isEmpty from 'lodash/isEmpty'
import _map from 'lodash/map'

import { IBillingInfoData } from '../types'

export const getDataWithCustomFields = (
  initialData: IBillingInfoData[],
  ticketHoldersFields: IBillingInfoData,
  customFields: any
) => {
  // Custom Fields are not specified case
  if (_isEmpty(customFields)) {
    const dataWithCustomFields = { ...initialData }
    const ticketHoldersWithCustomFields = { ...ticketHoldersFields }
    return { dataWithCustomFields, ticketHoldersWithCustomFields }
  }

  // Add Custom Fields for Order
  const orderWithCustomFields = {
    groupClassname: 'billing-info-container__customFields',
    groupItems: [...customFields.orderFields],
  }
  const initialDataFields = [...initialData[0].fields]

  // Add Custom Fields to penultimate position
  initialDataFields.splice(initialDataFields.length - 1, 0, {
    ...orderWithCustomFields,
  })

  const dataWithCustomFields = [
    {
      ...initialData[0],
      fields: initialDataFields,
    },
  ]

  // Add Custom Fields for Ticket Holders
  const ticketHoldersFieldsArr = ticketHoldersFields.fields || []

  const ticketHoldersCustomFieldsBlueprint = {
    id: ticketHoldersFieldsArr.length + 1,
    customFields: true,
    groupClassname: 'billing-info-container__customFields',
    groupItems: [...customFields.ticketsFields],
  }

  const ticketHoldersWithCustomFields = {
    ...ticketHoldersFields,
    fields: _isEmpty(ticketHoldersFieldsArr)
      ? []
      : [...ticketHoldersFieldsArr, ticketHoldersCustomFieldsBlueprint],
  }

  return { dataWithCustomFields, ticketHoldersWithCustomFields }
}

export const getAddOnDataWithCustomFields = (customFields: any) => {
  // Custom Fields are not specified case
  if (_isEmpty(customFields)) {
    return { addOnDataWithCustomFields: [] }
  }

  // Add Custom Fields for Order
  const orderWithCustomFields = [
    {
      id: 1,
      groupClassname: 'billing-info-container__customFields',
      groupItems: [...customFields.addOnFields],
    },
  ]

  const addOnDataWithCustomFields = {
    fields: orderWithCustomFields,
  }

  return { addOnDataWithCustomFields }
}

export const getFieldsKeys = (customFields: any) =>
  _map(customFields, field => field.name)