import {z} from 'zod'

export type GetApiV2ShipmentsShipmentIdLabelsOptions = {baseUrl?: string | undefined, apiKeys?: string | undefined, fetch?: typeof fetch | undefined};

export const documentType = z.enum(["commercial_invoice", "certificate_of_origin", "usmca_commercial_invoice_certification_of_origin", "usmca_certification_of_origin", "pro_forma_invoice", "other", "authorization_form", "export_accompanying_document", "export_license", "import_permit", "one_time_nafta", "power_of_attorney", "packing_list", "sed_document", "shippers_letter_of_instruction", "declaration", "section_232_customs_affidavit"]);

export const documentStatusValue = z.enum(["awaiting_upload", "processing", "processing_claimed", "invalid", "uploaded", "queued", "sent", "failed"]);

export const documentStatus = z.object({document_id: z.string().optional(), type: documentType.optional(), file_name: z.string().optional(), status: documentStatusValue.optional(), error: z.string().nullable().optional(), external_id: z.string().nullable().optional()});

export const orderShipment = z.object({shipment_id: z.string().optional(), tracking_number: z.string().optional(), documents: z.array(documentStatus).optional()});

export const listShipmentLabelsResponseBody = z.array(orderShipment);

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
};

/**
 * List shipments and their document statuses
 * 
 * GET /v2/shipments/{shipment_id}/labels
 */
export const getApiV2ShipmentsShipmentIdLabels = async (options?: GetApiV2ShipmentsShipmentIdLabelsOptions) => {
const {baseUrl = "https://api.shipstation.com", fetch: fetchFn = fetch, apiKeys} = options ?? {}

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

if (apiKeys !== undefined) headers.set("api-key", apiKeys)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/shipments/${encodeURIComponent(String(args.shipment_id))}/labels${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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