cityssm/faster-web-helper

import type { Request, Response } from 'express'

import createPurchaseOrder from '../../database/createPurchaseOrder.js'
import getPurchaseOrder from '../../database/getPurchaseOrder.js'

export default function handler(request: Request, response: Response): void {
  const user = request.session
    .purchaseOrderApprovalUser as PurchaseOrderApprovalSessionUser

  if (user.approvalMax <= 0) {
    response.json({
      isLoggedIn: true,
      success: false,
      message: 'You do not have permission to approve purchase orders.'
    })
    return
  }

  const tenant = (request.body.tenant ?? '') as string
  const orderNumber = (request.body.orderNumber ?? '') as string

  const purchaseOrder = getPurchaseOrder(tenant, orderNumber)

  if (purchaseOrder !== undefined) {
    response.json({
      isLoggedIn: true,
      success: false,
      message: 'An approval record already exists for this purchase order.'
    })
    return
  }

  createPurchaseOrder(request.body, user)

  response.json({
    isLoggedIn: true,
    success: true,
    message: 'Approval record created successfully.'
  })
}