import {z} from 'zod'

export type EquipmentList = Array<string>;

export type CreateApiV1UnitsArgs = {body: {unitList?: EquipmentList | undefined}};

export type CreateApiV1UnitsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const intermodal = z.object({bnsfTransitGoalDate: z.string().optional(), bnsfTransitGoalTime: z.string().optional(), carId: z.string().optional(), chassisId: z.string().optional(), confirmedEstimatedCustomerNotificationDate: z.string().optional(), confirmedEstimatedCustomerNotificationTime: z.string().optional(), customerRequestedDate: z.string().optional(), customerRequestedTime: z.string().optional(), demurrageAmount: z.number().optional(), demurrageStartDate: z.string().optional(), destinationRailNetworkLocationName: z.string().optional(), equipmentInitial: z.string().optional(), equipmentNumber: z.string().optional(), estimatedShipmentAvailabilityDate: z.string().optional(), estimatedShipmentAvailabilityTime: z.string().optional(), estimatedCustomerNotificationDate: z.string().optional(), estimatedCustomerNotificationTime: z.string().optional(), finalDestinationRailNetworkLocationName: z.string().optional(), finalScheduledEventDescription: z.string().optional(), lastEventDate: z.string().optional(), lastEventDescription: z.string().optional(), lastEventTime: z.string().optional(), lastEventRailNetworkLocationName: z.string().optional(), lastReportingSCAC: z.string().optional(), latitude: z.number().optional(), longitude: z.number().optional(), lotRowSpotLabel: z.string().optional(), message: z.string().optional(), nextSCAC: z.string().optional(), nextScheduledEventDate: z.string().optional(), nextScheduledEventDescription: z.string().optional(), nextScheduledEventStateCode: z.string().optional(), nextScheduledEventStation333: z.string().optional(), nextScheduledEventTime: z.string().optional(), originRailNetworkLocationName: z.string().optional(), originalTrainDepartureDate: z.string().optional(), originalTrainDepartureTime: z.string().optional(), originalTrainDepartureTypeCode: z.string().optional(), shipmentExceptionDescription: z.string().optional(), trainId: z.string().optional(), truckingCompanyName: z.string().optional(), unitTypeCode: z.string().optional(), waybillNumber: z.string().optional(), careOfParty633: z.string().optional(), careOfPartyFullName: z.string().optional(), consignee633: z.string().optional(), consigneeFullName: z.string().optional(), notifyParty633: z.string().optional(), notifyPartyFullName: z.string().optional(), shipper633: z.string().optional(), shipperFullName: z.string().optional(), stcc: z.string().optional(), bol: z.string().optional(), tofccofc: z.string().optional()});

export const createApiV1UnitsResponse = z.object({elements: z.array(intermodal).optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Units - Returns tracing details for requested units, up to 300 at a time.
 * 
 * POST /v1/units
 */
export const createApiV1Units = async (args: CreateApiV1UnitsArgs, options?: CreateApiV1UnitsOptions) => {
const {baseUrl = "https://api.bnsf.com:6443", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/v1/units${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV1UnitsResponse, await res.json())
};