import {z} from 'zod'

export type ImportPackageLocation = {path: string, layerID?: string | undefined};

export type ImportPackage = {id?: string | undefined, name: string, version: string, type: string, foundBy?: string | undefined, locations: Array<ImportPackageLocation>, licenses: Array<string>, language: string, cpes: Array<string>, purl?: string | undefined, metadataType: string, metadata?: Record<string, never> | undefined};

export type ImportSource = {type: string, target: Record<string, never>};

export type ImportDistribution = {name: string, version: string, idLike: string};

export type ImportDescriptor = {name: string, version: string};

export type ImportSchema = {version: string, url: string};

export type ImportPackageRelationship = {parent: string, child: string, type: string, metadata?: Record<string, never> | undefined};

export type ImagePackageManifest = {artifacts: Array<ImportPackage>, source: ImportSource, distro: ImportDistribution, descriptor?: ImportDescriptor | undefined, schema?: ImportSchema | undefined, artifactRelationships?: Array<ImportPackageRelationship> | undefined};

export type CreateApiImportsImagesOperationIdPackagesArgs = {operation_id: string, body: ImagePackageManifest};

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

export const imageImportContentResponse = z.object({digest: z.string().optional(), created_at: 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
};

/**
 * Begin the import of an image analyzed by Syft into the system
 * 
 * POST /imports/images/{operation_id}/packages
 */
export const createApiImportsImagesOperationIdPackages = async (args: CreateApiImportsImagesOperationIdPackagesArgs, options: CreateApiImportsImagesOperationIdPackagesOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/imports/images/${encodeURIComponent(String(args.operation_id))}/packages${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(imageImportContentResponse, await res.json())
};