import {z} from 'zod'

export type GetApiInfosArgs = {Authorization?: string | undefined};

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

export const getApiInfosResponse = z.object({version: z.string().optional(), rateLimit: z.string().optional(), cache: z.object({certificado: z.string().optional(), contexto: z.string().optional(), download: z.string().optional()}).optional(), onPremisse: z.object({autenticacaoUtil: z.boolean().optional(), tipoCache: z.string().optional(), geracaoIdXml: z.string().optional(), validacaoCertificado: z.string().optional(), issuerIss: z.string().optional(), urls: z.object({pdde: z.string().optional(), fw: z.string().optional(), es: z.string().optional(), kms: z.string().optional(), gov: z.string().optional()}).optional(), timeout: z.object({pdde: z.string().optional(), fw: z.string().optional(), es: z.string().optional(), kms: z.string().optional(), gov: z.string().optional()}).optional(), tentativas: z.object({carimbo: z.string().optional()}).optional()}).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
};

/**
 * Informações referente a aplicação HUB
 * 
 * GET /infos
 */
export const getApiInfos = async (args: GetApiInfosArgs, options?: GetApiInfosOptions) => {
const {baseUrl = "https://cloud-hom.bry.com.br", fetch: fetchFn = fetch, JWTAccessToken} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (JWTAccessToken !== undefined) headers.set("Authorization", JWTAccessToken)

const url = `${baseUrl.replace(/\/+$/, '')}/infos${query.size > 0 ? `?${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(getApiInfosResponse, await res.json())
};