import {z} from 'zod'

export type HubLabelKind = 'rack' | 'package';

export type HubLabelPackageIdentity = {orderId: string, itemId: string};

export type HubLabelRequest = {manifestVersion: string, kinds: Array<HubLabelKind>, packages?: (Array<HubLabelPackageIdentity> | null) | undefined};

export type CreateApiV1HubScanningRoutesRouteIdLabelsArgs = {routeId: string, body: HubLabelRequest};

export type CreateApiV1HubScanningRoutesRouteIdLabelsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const hubLabelMedia = z.object({widthInches: z.literal(4).optional(), heightInches: z.literal(2).optional(), dpi: z.literal(203).optional()});

export const hubLabelKind = z.enum(["rack", "package"]);

export const hubLabel = z.object({kind: hubLabelKind, symbology: z.enum(["qr", "code128"]), barcode: z.string(), routeId: z.string(), orderId: z.string().nullable().optional(), itemId: z.string().nullable().optional(), stopNumber: z.number().int().nullable().optional(), zpl: z.string()});

export const hubLabelResponse = z.object({routeId: z.string(), manifestVersion: z.string(), templateVersion: z.string(), media: hubLabelMedia.optional(), labels: z.array(hubLabel)});

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
};

/**
 * Generate rack and package labels from a current hub route manifest
 * 
 * POST /v1/hub-scanning/routes/{route_id}/labels
 */
export const createApiV1HubScanningRoutesRouteIdLabels = async (args: CreateApiV1HubScanningRoutesRouteIdLabelsArgs, options?: CreateApiV1HubScanningRoutesRouteIdLabelsOptions) => {
const {baseUrl = "https://api.sandbox.usenash.com", 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/hub-scanning/routes/${encodeURIComponent(String(args.route_id))}/labels${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(hubLabelResponse, await res.json())
};