import {z} from 'zod'

export type GetApiV5TransactionsHealthcheckArgs = {type?: string | undefined, period?: number | undefined};

export type GetApiV5TransactionsHealthcheckOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const healhtcheck = z.object({kpiAvailability: z.string().nullable().optional(), statusKPIAvailability: z.string().nullable().optional(), statusAverageTime: z.string().nullable().optional(), averageTime: z.string().nullable().optional(), thresholdKPIAvailabilityDown: z.number().optional(), thresholdKPIAvailabilityUP: z.number().optional(), thresholdAverageTimeDown: z.number().optional(), thresholdAverageTimeUP: z.number().optional(), transaction: z.string().nullable().optional()});

export const healthcheckResponse = z.object({healhtcheck: z.array(healhtcheck).nullable().optional(), errorCode: z.string().nullable().optional(), message: z.string().nullable().optional(), status: z.number().int().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
};

/**
 * Retorna a saúde de um determinado tipo de transação
 * 
 * GET /v5/transactions/healthcheck
 */
export const getApiV5TransactionsHealthcheck = async (args: GetApiV5TransactionsHealthcheckArgs, options?: GetApiV5TransactionsHealthcheckOptions) => {
const {baseUrl = "https://sandbox.openfinance.celcoin.dev", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))
if (args.period != null) query.append("period", String(args.period))
if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/v5/transactions/healthcheck${query.size > 0 ? `?${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(healthcheckResponse, await res.json())
};