import {z} from 'zod'

export type URI = string;

export type Algorithm = string;

export type Hash = string;

export type Checksum = {algorithm: Algorithm, hash: Hash};

export type KeyValuePairs = {[key: string]: unknown};

export type CreateAppPkg = {appPkgName: string, appPkgPath: URI, appPkgVersion: string, appProvider?: string | undefined, checksum: Checksum, userDefinedData?: KeyValuePairs | undefined};

export type CreateApiAppPackagesArgs = {body: CreateAppPkg};

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

export const appPkgId = z.string();

export const appDId = z.string();

export const appProvider = z.string();

export const appName = z.string();

export const appSoftwareVersion = z.string();

export const appDVersion = z.string();

export const algorithm = z.string();

export const hash = z.string();

export const checksum = z.object({algorithm: algorithm, hash: hash});

export const appPkgSWImageInfo = z.unknown();

export const appPkgArtifactInfo = z.unknown();

export const onboardingState = z.enum(["CREATED", "UPLOADING", "PROCESSING", "ONBOARDED"]);

export const appPkgOperationalState = z.enum(["ENABLED", "DISABLED"]);

export const usageState = z.enum(["IN_USE", "NOT_IN_USE"]);

export const keyValuePairs = z.record(z.string(), z.unknown());

export const linkType = z.object({href: z.string()});

export const appPkgInfoLinks = z.object({self: linkType, appD: linkType, appPkgContent: linkType});

export const appPkgInfo = z.object({id: appPkgId, appDId: appDId, appProvider: appProvider.optional(), appName: appName, appSoftwareVersion: appSoftwareVersion, appDVersion: appDVersion, checksum: checksum, softwareImages: appPkgSWImageInfo, additionalArtifacts: appPkgArtifactInfo.optional(), onboardingState: onboardingState, operationalState: appPkgOperationalState, usageState: usageState, userDefinedData: keyValuePairs.optional(), _links: appPkgInfoLinks});

export const createApiAppPackagesResponse = z.array(appPkgInfo);

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
};

/**
 * Create a resource for on-boarding an application package to a MEO
 * 
 * POST /app_packages
 */
export const createApiAppPackages = async (args: CreateApiAppPackagesArgs, options?: CreateApiAppPackagesOptions) => {
const {baseUrl = "https://localhost/app_pkgm/v1", 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 = `${baseUrl.replace(/\/+$/, '')}/app_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(createApiAppPackagesResponse, await res.json())
};