import refreshTokenHelper from "../../../utils/refreshTokenHelper"
import forceLogoutHelper from "../../../utils/forceLogoutHelper"
import errorHandlingHelper from "../../../utils/errorHandlingHelper"
import fetchHelper from "../../../utils/fetchHelper"

const handleFunc = async (event: any, authToken: any = null) => {
  let data: any = {}
  const config = useRuntimeConfig()
  const token = authToken ?? await getTokenHelper(event)
  const body = await readBody(event)

  // Only include changed fields in the update payload.
  let updatePayload: any = {}
  const addIfChanged = (bodyKey: string, apiKey: string, value?: any) => {
    if (body.hasOwnProperty(bodyKey)) {
      updatePayload[apiKey] = value !== undefined ? value : body[bodyKey]
    }
  }

  addIfChanged('isActive', 'isActive')
  addIfChanged('isDefault', 'isDefault')
  addIfChanged('name', 'name')
  addIfChanged('cupsName', 'cupsName')
  addIfChanged('defaultPrintOptions', 'defaultPrintOptions')
  addIfChanged('locationDevice', 'locationDevice')

  // Value auto-generates in iDempiere — only push an explicit, non-empty code.
  if (body.hasOwnProperty('value') && String(body.value ?? '').trim() !== '') {
    updatePayload['value'] = body.value
  }

  // PrinterType is an AD_Reference List column — only send when a value is
  // present so clearing the field doesn't push an invalid '' list value.
  if (body.hasOwnProperty('printerType') && String(body.printerType ?? '').trim() !== '') {
    updatePayload['printerType'] = body.printerType
  }

  // SeqNo is an integer column: write the number when present, allow clearing
  // to 0 when the field is explicitly emptied.
  if (body.hasOwnProperty('seqNo')) {
    const raw = body.seqNo
    updatePayload['seqNo'] = (raw === null || raw === undefined || String(raw).trim() === '')
      ? 0
      : Number(raw)
  }

  if(body.organizationId !== undefined && body.organizationId !== null && String(body.organizationId).trim() !== '') {
    updatePayload['AD_Org_ID'] = {
      // iDempiere requires an integer FK id; the org id arrives as a string.
      // Org 0 (*) is a valid shared-printer value, so guard on '' not falsiness.
      id: Number(body.organizationId),
      tableName: 'AD_Org'
    }
  }

  const res: any = await fetchHelper(event, 'models/cust_printer/'+body.id, 'PUT', token, {
    ...updatePayload,
    tableName: 'cust_printer'
  })
  if(res) {
    data = res
    data['status'] = 200
    data['message'] = ''
  }

  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: any) {
      data = errorHandlingHelper(err?.data ?? err, error?.data ?? error)
      forceLogoutHelper(event, data)
    }
  }

  return data
})