import {z} from 'zod'

export type GetApiV01DiscoveryResourcesIdArgs = {id: string, items_size?: number | undefined, items_from?: number | undefined, all_items?: boolean | undefined, item_location?: string | undefined, item_status?: string | undefined, item_format?: string | undefined};

export type GetApiV01DiscoveryResourcesIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const entityStub = z.object({"@type": z.string().optional(), "@id": z.string().optional(), prefLabel: z.string().optional()});

export const item = z.object({"@id": z.string().optional(), accessMessage: z.array(entityStub).optional(), deliveryLocation: z.array(entityStub).optional(), eddRequestable: z.boolean().optional(), holdingLocation: z.array(entityStub).optional(), idBarcode: z.string().optional(), identifier: z.array(z.string()).optional(), owner: z.array(entityStub).optional(), physRequestable: z.boolean().optional(), requestable: z.array(z.boolean()).optional(), shelfMark: z.array(z.string()).optional(), specRequestable: z.boolean().optional(), status: z.array(entityStub).optional(), uri: z.string().optional()});

export const resource = z.object({"@type": z.array(z.string()).optional(), "@id": z.string().optional(), carrierType: z.array(entityStub).optional(), creatorLiteral: z.array(z.string()).optional(), contributorLiteral: z.array(z.string()).optional(), created: z.string().optional(), createdYear: z.number().int().optional(), dateStartYear: z.number().int().optional(), depiction: z.string().optional(), description: z.string().optional(), endYear: z.number().int().optional(), extent: z.array(z.string()).optional(), holdingCount: z.number().int().optional(), issuance: z.array(entityStub).optional(), items: z.array(item).optional(), "^id": z.string().optional(), language: z.array(entityStub).optional(), materialType: z.array(entityStub).optional(), mediaType: z.array(entityStub).optional(), note: z.array(z.object({"@type": z.literal("bf:Note").optional(), noteType: z.string().optional(), label: z.string().optional()})).optional(), numAvailable: z.number().int().optional(), placeOfPublication: z.array(z.string()).optional(), prefLabel: z.array(z.string()).optional(), "roles:ROLE": z.array(z.string()).optional(), startYear: z.number().int().optional(), subject: z.array(entityStub).optional(), suppressed: z.boolean().optional(), title: z.array(z.string()).optional(), titleDisplay: z.array(z.string()).optional(), type: z.array(z.enum(["nypl:Item", "nypl:Collection"])).optional(), uri: z.string().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
};

/**
 * Fetch a resource by ID
 * 
 * GET /v0.1/discovery/resources/{id}
 */
export const getApiV01DiscoveryResourcesId = async (args: GetApiV01DiscoveryResourcesIdArgs, options?: GetApiV01DiscoveryResourcesIdOptions) => {
const {baseUrl = "https://platform.nypl.org/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.items_size != null) query.append("items_size", String(args.items_size))
if (args.items_from != null) query.append("items_from", String(args.items_from))
if (args.all_items != null) query.append("all_items", String(args.all_items))
if (args.item_location != null) query.append("item_location", String(args.item_location))
if (args.item_status != null) query.append("item_status", String(args.item_status))
if (args.item_format != null) query.append("item_format", String(args.item_format))

const url = `${baseUrl.replace(/\/+$/, '')}/v0.1/discovery/resources/${encodeURIComponent(String(args.id))}${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(resource, await res.json())
};