import {z} from 'zod'

export type GetApiV1BankingFutureTransferArgs = {limit: number, offset: number, expected_date_begin: string, expected_date_end: string};

export type GetApiV1BankingFutureTransferOptions = {baseUrl: string, authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const futureTransferItem = z.object({expected_on: z.string(), amount: z.string(), bank_account: z.string()});

export const futureTransferResponse = z.object({limit: z.number(), offset: z.number(), has_more: z.boolean(), total: z.number(), total_pages: z.number(), page: z.number(), resource: z.string(), items: z.array(futureTransferItem)});

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 future account transfers
 * 
 * GET /v1/banking/future_transfer
 * 
 * Also accepts auth: x-api-key, authorization
 */
export const getApiV1BankingFutureTransfer = async (args: GetApiV1BankingFutureTransferArgs, options: GetApiV1BankingFutureTransferOptions) => {
const {baseUrl, fetch: fetchFn = fetch, authorization} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.expected_date_begin != null) query.append("expected_date_begin", String(args.expected_date_begin))
if (args.expected_date_end != null) query.append("expected_date_end", String(args.expected_date_end))
if (authorization !== undefined) headers.set("authorization", authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/banking/future_transfer${query.size > 0 ? `?${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(futureTransferResponse, await res.json())
};