import {z} from 'zod'

export type GetApiRegistriesRegistryNamePackageNamesArgs = {registryName: string, page?: number | undefined, per_page?: number | undefined, created_after?: string | undefined, updated_after?: string | undefined, created_before?: string | undefined, updated_before?: string | undefined, sort?: ('updated_at' | 'created_at' | 'name' | 'downloads' | 'dependent_repos_count' | 'dependent_packages_count' | 'latest_release_published_at' | 'versions_count' | 'maintainers_count' | 'docker_downloads_count' | 'docker_dependents_count' | 'stargazers_count' | 'forks_count') | undefined, order?: string | undefined, critical?: boolean | undefined, funding?: boolean | undefined, prefix?: string | undefined, postfix?: string | undefined};

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

export const getApiRegistriesRegistryNamePackageNamesResponse = z.array(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 a list of package names from a registry
 * 
 * GET /registries/{registryName}/package_names
 */
export const getApiRegistriesRegistryNamePackageNames = async (args: GetApiRegistriesRegistryNamePackageNamesArgs, options?: GetApiRegistriesRegistryNamePackageNamesOptions) => {
const {baseUrl = "https://packages.ecosyste.ms/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.created_after != null) query.append("created_after", String(args.created_after))
if (args.updated_after != null) query.append("updated_after", String(args.updated_after))
if (args.created_before != null) query.append("created_before", String(args.created_before))
if (args.updated_before != null) query.append("updated_before", String(args.updated_before))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.order != null) query.append("order", String(args.order))
if (args.critical != null) query.append("critical", String(args.critical))
if (args.funding != null) query.append("funding", String(args.funding))
if (args.prefix != null) query.append("prefix", String(args.prefix))
if (args.postfix != null) query.append("postfix", String(args.postfix))

const url = `${baseUrl.replace(/\/+$/, '')}/registries/${encodeURIComponent(String(args.registryName))}/package_names${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(getApiRegistriesRegistryNamePackageNamesResponse, await res.json())
};