import {z} from 'zod'

export type GetApiTransformationschemeAgencyIDResourceIDVersionArgs = {agencyID: string, resourceID: string, version: string, references?: ('none' | 'parents' | 'parentsandsiblings' | 'children' | 'descendants' | 'all' | 'datastructure' | 'metadatastructure' | 'categoryscheme' | 'conceptscheme' | 'codelist' | 'hierarchicalcodelist' | 'organisationscheme' | 'agencyscheme' | 'dataproviderscheme' | 'dataconsumerscheme' | 'organisationunitscheme' | 'dataflow' | 'metadataflow' | 'reportingtaxonomy' | 'provisionagreement' | 'structureset' | 'process' | 'categorisation' | 'contentconstraint' | 'actualconstraint' | 'allowedconstraint' | 'attachmentconstraint' | 'transformationscheme' | 'rulesetscheme' | 'userdefinedoperatorscheme' | 'customtypescheme' | 'namepersonalisationscheme' | 'namealiasscheme') | undefined, detail?: ('allstubs' | 'referencestubs' | 'referencepartial' | 'allcompletestubs' | 'referencecompletestubs' | 'full') | undefined, 'Accept-Encoding'?: ('br' | 'compress' | 'deflate' | 'exi' | 'gzip' | 'identity' | 'pack200-gzip' | 'zstd') | undefined, 'Accept-Language'?: string | undefined, 'If-Modified-Since'?: string | undefined};

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

export const getApiTransformationschemeAgencyIDResourceIDVersionResponse = z.string();

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
};

/**
 * Get transformation schemes
 * 
 * GET /transformationscheme/{agencyID}/{resourceID}/{version}
 */
export const getApiTransformationschemeAgencyIDResourceIDVersion = async (args: GetApiTransformationschemeAgencyIDResourceIDVersionArgs, options?: GetApiTransformationschemeAgencyIDResourceIDVersionOptions) => {
const {baseUrl = "https://sdw-wsrest.ecb.europa.eu/service", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/vnd.sdmx.structure+json;version=1.0.0")

if (args.references != null) query.append("references", String(args.references))
if (args.detail != null) query.append("detail", String(args.detail))
if (args['Accept-Encoding'] != null) headers.set("Accept-Encoding", String(args['Accept-Encoding']))
if (args['Accept-Language'] != null) headers.set("Accept-Language", String(args['Accept-Language']))
if (args['If-Modified-Since'] != null) headers.set("If-Modified-Since", String(args['If-Modified-Since']))

const url = `${baseUrl.replace(/\/+$/, '')}/transformationscheme/${encodeURIComponent(String(args.agencyID))}/${encodeURIComponent(String(args.resourceID))}/${encodeURIComponent(String(args.version))}${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(getApiTransformationschemeAgencyIDResourceIDVersionResponse, await res.json())
};