import { string } from 'alga-js'
import refreshTokenHelper from "../../utils/refreshTokenHelper"
import forceLogoutHelper from "../../utils/forceLogoutHelper"
import errorHandlingHelper from "../../utils/errorHandlingHelper"

const handleFunc = async (event: any, authToken: any = null) => {
  let data: any = {}
  const config = useRuntimeConfig()
  const token = authToken ?? await getTokenHelper(event)
  const serviceToken = config.api.idempieretoken

  // Check for fulfillment customer (logship_organization_id) vs regular user (organizationId)
  const logshipOrgId = getCookie(event, 'logship_organization_id')
  const regularOrgId = getCookie(event, 'organizationId')

  // Fulfillment customers use logship_organization_id and need service token for cross-org access
  const isFulfillmentCustomer = !!logshipOrgId

  let bpartnerId: number | null = null
  let isAllowFeeReportDownload = false
  let res: any = null

  if (isFulfillmentCustomer && serviceToken) {
    // Fulfillment customer path: use service token to fetch invoices by business partner
    try {
      const orgFilter = `AD_Org_ID eq ${logshipOrgId}`
      const orgUrl = `${config.api.url}/models/ad_org?$filter=${string.urlEncode(orgFilter)}&$select=C_BPartner_ID`

      const orgRes: any = await $fetch(orgUrl, {
        method: 'GET',
        headers: {
          'Content-Type': 'application/json',
          Accept: 'application/json',
          Authorization: 'Bearer ' + serviceToken
        }
      })

      bpartnerId = orgRes?.records?.[0]?.C_BPartner_ID?.id

      if (bpartnerId) {
        const bpartnerRes: any = await $fetch(`${config.api.url}/models/c_bpartner/${bpartnerId}?$select=isAllowFeeReportDownload`, {
          method: 'GET',
          headers: {
            'Content-Type': 'application/json',
            Accept: 'application/json',
            Authorization: 'Bearer ' + serviceToken
          }
        })
        isAllowFeeReportDownload = bpartnerRes?.isAllowFeeReportDownload === 'Y' || bpartnerRes?.isAllowFeeReportDownload === true

        // Fetch invoices for this business partner using service token
        const bpartnerFilter = `C_BPartner_ID eq ${bpartnerId}`
        const invoiceUrl = `${config.api.url}/models/C_Invoice?$filter=${string.urlEncode(bpartnerFilter)}&$select=C_Invoice_ID,C_Invoice_UU,IsActive,DocumentNo,Description,IsApproved,IsPaid,IsPrinted,IsTransferred,DateOrdered,DateInvoiced,DateAcct,TotalLines,GrandTotal,ChargeAmt,Processed,IsSOTrx,IsDiscountPrinted,IsTaxIncluded,SendEMail,IsSelfService,ProcessedOn,IsPayScheduleValid,IsInDispute,IsFixedAssetInvoice,IsOverrideCurrencyRate,DocStatus,C_DocType_ID,C_DocTypeTarget_ID,DocBaseType,SalesRep_ID,AD_User_ID,C_PaymentTerm_ID,C_Currency_ID,PaymentRule,M_PriceList_ID,C_BPartner_ID,C_BPartner_Location_ID,AD_Org_ID,AD_Client_ID,C_Order_ID&$expand=C_Order_ID($select=Report_Strapi_Reference)&$orderby=C_Invoice_ID desc`

        res = await $fetch(invoiceUrl, {
          method: 'GET',
          headers: {
            'Content-Type': 'application/json',
            Accept: 'application/json',
            Authorization: 'Bearer ' + serviceToken
          }
        })
      }
    } catch (err) {
      console.warn('Could not fetch org business partner:', err)
    }
  }

  // Regular user path: use user token
  if (!res) {
    res = await event.context.fetch(`models/c_invoice?$filter=${string.urlEncode('isSOTrx eq true AND isActive eq true OR isActive eq false')}&$select=C_Invoice_ID,C_Invoice_UU,IsActive,DocumentNo,Description,IsApproved,IsPaid,IsPrinted,IsTransferred,DateOrdered,DateInvoiced,DateAcct,TotalLines,GrandTotal,ChargeAmt,Processed,IsSOTrx,IsDiscountPrinted,IsTaxIncluded,SendEMail,IsSelfService,ProcessedOn,IsPayScheduleValid,IsInDispute,IsFixedAssetInvoice,IsOverrideCurrencyRate,DocStatus,C_DocType_ID,C_DocTypeTarget_ID,DocBaseType,SalesRep_ID,AD_User_ID,C_PaymentTerm_ID,C_Currency_ID,PaymentRule,M_PriceList_ID,C_BPartner_ID,C_BPartner_Location_ID,AD_Org_ID,AD_Client_ID,C_Order_ID&$expand=C_Order_ID($select=Report_Strapi_Reference)&$orderby=C_Invoice_ID desc`, 'GET', token, null)
  }

  if(res) {
    data = {
      ...res,
      isAllowFeeReportDownload
    }
  }

  return data
}

export default defineEventHandler(async (event) => {
  let data: any = {}

  try {
    data = await handleFunc(event)
  } catch(err: any) {
    try {
      let authToken: any = await refreshTokenHelper(event)
      data = await handleFunc(event, authToken)
    } catch(error) {
      data = errorHandlingHelper(err?.data ?? err, error?.data ?? error)
      forceLogoutHelper(event, data)
    }
  }

  return data
})