import {z} from 'zod'

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

export const topUpFundingDetails = z.object({beneficiary_account_name: z.string(), beneficiary_address: z.string().optional(), bank_name: z.string(), bank_address: z.string().optional(), account_number: z.string().optional(), sort_code: z.string().optional(), routing_number: z.string().optional(), iban: z.string().optional(), swift_code: z.string().optional()});

export const topUpBankDetails = z.object({domestic: topUpFundingDetails.optional(), international: topUpFundingDetails.optional()});

export const topUpInstructionsResponse = z.object({currency_account_id: z.string(), currency: z.string(), payment_reference: z.string(), bank_details: topUpBankDetails});

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
};

/**
 * Retrieve top-up instructions
 * 
 * GET /entities/{entityId}/currency-accounts/{currencyAccountId}/top-up-instructions
 * 
 * Also accepts auth: ApiSecretKey
 */
export const getApiEntitiesEntityIdCurrencyAccountsCurrencyAccountIdTopUpInstructions = async (options: GetApiEntitiesEntityIdCurrencyAccountsCurrencyAccountIdTopUpInstructionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth} = options ?? {}

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

if (OAuth !== undefined) headers.set('authorization', `Bearer ${OAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/entities/${encodeURIComponent(String(args.entityId))}/currency-accounts/${encodeURIComponent(String(args.currencyAccountId))}/top-up-instructions${query.size > 0 ? `?${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(topUpInstructionsResponse, await res.json())
};