import {z} from 'zod'

export type GetApiProfileVirtualAccountsRequestsOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const virtualAccountCurrency = z.enum(["NGN", "GHS", "KES", "TZS", "RWF", "UGX", "XAF", "USD", "EUR", "GBP", "CAD"]);

export const virtualAccountStatus = z.enum(["pending", "approved", "declined", "expired", "closed", "reviewed"]);

export const virtualAccountRequestOption = z.object({currency: virtualAccountCurrency, type: z.literal("fiat"), status: virtualAccountStatus.nullable().optional(), accountOpeningFee: z.number().gte(0).optional(), requested: z.boolean()});

export const virtualAccountRequestOptionsResponse = z.object({success: z.literal(true), message: z.string(), data: z.array(virtualAccountRequestOption)});

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
};

/**
 * List virtual-account request options
 * 
 * GET /profile/virtual-accounts/requests
 */
export const getApiProfileVirtualAccountsRequests = async (options?: GetApiProfileVirtualAccountsRequestsOptions) => {
const {baseUrl = "https://sandboxapi.fincra.com", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (sec0 !== undefined) headers.set("api-key", sec0)

const url = `${baseUrl.replace(/\/+$/, '')}/profile/virtual-accounts/requests${query.size > 0 ? `?${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(virtualAccountRequestOptionsResponse, await res.json())
};