import {z} from 'zod'

export type KeyPairEncoding = 'PEM' | 'JWK';

export type ServiceAccountKeyPair = {id?: string | undefined, publicKey?: string | undefined, privateKey?: string | undefined, encoding?: KeyPairEncoding | undefined, defaultToken?: string | undefined};

export type Tsbv2ServiceAccount = {fqn?: string | undefined, displayName?: string | undefined, etag?: string | undefined, description?: string | undefined, keys?: Array<ServiceAccountKeyPair> | undefined};

export type CreateApiV2OrganizationsOrganizationServiceaccountsArgs = {organization: string, body: {keyEncoding?: KeyPairEncoding | undefined, name: string, serviceAccount: Tsbv2ServiceAccount}};

export type CreateApiV2OrganizationsOrganizationServiceaccountsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const keyPairEncoding = z.enum(["PEM", "JWK"]);

export const serviceAccountKeyPair = z.object({id: z.string().optional(), publicKey: z.string().optional(), privateKey: z.string().optional(), encoding: keyPairEncoding.optional(), defaultToken: z.string().optional()});

export const tsbv2ServiceAccount = z.object({fqn: z.string().optional(), displayName: z.string().optional(), etag: z.string().optional(), description: z.string().optional(), keys: z.array(serviceAccountKeyPair).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
};

/**
 * Create Service Account in TSB.
 * Service Accounts are local to TSB and can be used to access the platform using
 * JWT tokens signed with the Service Account's private key for authentication.
 * 
 * POST /v2/organizations/{organization}/serviceaccounts
 */
export const createApiV2OrganizationsOrganizationServiceaccounts = async (args: CreateApiV2OrganizationsOrganizationServiceaccountsArgs, options: CreateApiV2OrganizationsOrganizationServiceaccountsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/v2/organizations/${encodeURIComponent(String(args.organization))}/serviceaccounts${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(tsbv2ServiceAccount, await res.json())
};