import {z} from 'zod'

export type PublicPaymentRail = 'ACH' | 'WIRE' | 'INTERNATIONAL_PAYMENT_FX' | 'CHECK' | 'CRYPTO';

export type GetApiBillpayExpectedPaymentDateArgs = {payment_type: PublicPaymentRail, initiated_at: string, instant_eligible?: boolean | undefined, account_id?: (string | null) | undefined, 'x-entity-id'?: string | undefined};

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

export const dateString = z.string();

export const expectedPaymentDateResponse = z.object({expected_delivery_date: dateString});

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
};

/**
 * Get Expected Payment Date
 * 
 * GET /billpay/expected-payment-date
 */
export const getApiBillpayExpectedPaymentDate = async (args: GetApiBillpayExpectedPaymentDateArgs, options?: GetApiBillpayExpectedPaymentDateOptions) => {
const {baseUrl = "https://api.meow.com/v1", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (args.payment_type != null) query.append("payment_type", String(args.payment_type))
if (args.initiated_at != null) query.append("initiated_at", String(args.initiated_at))
if (args.instant_eligible != null) query.append("instant_eligible", String(args.instant_eligible))
if (args.account_id != null) query.append("account_id", String(args.account_id))
if (args['x-entity-id'] != null) headers.set("x-entity-id", String(args['x-entity-id']))
if (apiKeyAuth !== undefined) headers.set("x-api-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/billpay/expected-payment-date${query.size > 0 ? `?${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(expectedPaymentDateResponse, await res.json())
};