import {z} from 'zod'

export type GetApiRegistriesRegistryNameNamespacesNamespaceNamePackagesArgs = {registryName: string, namespaceName: string, page?: number | undefined, per_page?: number | undefined};

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

export const advisory = z.object({uuid: z.string(), url: z.string().nullable(), title: z.string().nullable(), description: z.string().nullable(), origin: z.string().nullable(), severity: z.string().nullable(), published_at: z.string().nullable(), withdrawn_at: z.string().nullable(), classification: z.string().nullable(), cvss_score: z.number().nullable(), cvss_vector: z.string().nullable(), references: z.array(z.string().nullable()), source_kind: z.string().nullable(), identifiers: z.array(z.string().nullable()), packages: z.array(z.object({})), created_at: z.string(), updated_at: z.string()});

export const maintainer = z.object({uuid: z.string(), login: z.string().nullable(), name: z.string().nullable(), email: z.string().nullable(), url: z.string().nullable(), created_at: z.string(), updated_at: z.string(), packages_count: z.number().int(), packages_url: z.string(), total_downloads: z.number().int(), html_url: z.string().nullable(), role: z.string().nullable()});

export const package = z.object({id: z.number().int(), name: z.string(), ecosystem: z.string(), description: z.string().nullable(), homepage: z.string().nullable(), licenses: z.string().nullable(), normalized_licenses: z.array(z.string()), repository_url: z.string().nullable(), keywords_array: z.array(z.string()), namespace: z.string().nullable(), versions_count: z.number().int(), first_release_published_at: z.string().nullable(), latest_release_published_at: z.string().nullable(), latest_release_number: z.string().nullable(), latest_published_release_number: z.string().nullable(), last_synced_at: z.string().nullable(), created_at: z.string(), updated_at: z.string(), registry_url: z.string().nullable(), documentation_url: z.string().nullable(), install_command: z.string().nullable(), metadata: z.object({}).nullable(), repo_metadata: z.object({}).nullable(), repo_metadata_updated_at: z.string().nullable(), dependent_packages_count: z.number().int(), downloads: z.number().int(), downloads_period: z.string().nullable(), dependent_repos_count: z.number().int(), rankings: z.object({}), purl: z.string(), advisories: z.array(advisory), versions_url: z.string(), latest_version_url: z.string(), version_numbers_url: z.string().optional(), dependent_packages_url: z.string(), related_packages_url: z.string(), codemeta_url: z.string(), docker_usage_url: z.string(), docker_dependents_count: z.number().int(), docker_downloads_count: z.number().int(), usage_url: z.string(), dependent_repositories_url: z.string(), status: z.string().nullable(), funding_links: z.array(z.string()), maintainers: z.array(maintainer), critical: z.boolean(), issue_metadata: z.object({})});

export const getApiRegistriesRegistryNameNamespacesNamespaceNamePackagesResponse = z.array(package);

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 packages for a namespace by login or UUID
 * 
 * GET /registries/{registryName}/namespaces/{namespaceName}/packages
 */
export const getApiRegistriesRegistryNameNamespacesNamespaceNamePackages = async (args: GetApiRegistriesRegistryNameNamespacesNamespaceNamePackagesArgs, options?: GetApiRegistriesRegistryNameNamespacesNamespaceNamePackagesOptions) => {
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))

const url = `${baseUrl.replace(/\/+$/, '')}/registries/${encodeURIComponent(String(args.registryName))}/namespaces/${encodeURIComponent(String(args.namespaceName))}/packages${query.size > 0 ? `?${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(getApiRegistriesRegistryNameNamespacesNamespaceNamePackagesResponse, await res.json())
};