import {z} from 'zod'

export type GetApiWalletUserTokenArgs = {user_token: string, 'Idempotency-Key'?: string | undefined, client_only?: boolean | undefined};

export type GetApiWalletUserTokenOptions = {baseUrl?: string | undefined, AUTHORIZERNAME?: string | undefined, fetch?: typeof fetch | undefined};

export const walletTxnResp = z.object({user_token: z.string(), token: z.string(), balance: z.number(), currency_code: z.string(), type: z.enum(["MASSPAY_CARD", "USER_FUNDS", "CLIENT_FUNDS", "SUBLEDGER_FUNDS"]), card_type: z.enum(["MASTERCARD", "VISA", "AMEX", "DISCOVER", "UNIONPAY"]).optional(), last_4: z.string().optional(), active: z.boolean(), client_paying_fees: z.boolean().optional(), fee_wallet_token: z.string().optional(), wiring_instructions: z.record(z.string(), z.unknown()).optional()});

export const getApiWalletUserTokenResponse = z.array(walletTxnResp);

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 all available wallets for a user
 * 
 * GET /wallet/{user_token}
 * 
 * Also accepts auth: api_key
 */
export const getApiWalletUserToken = async (args: GetApiWalletUserTokenArgs, options?: GetApiWalletUserTokenOptions) => {
const {baseUrl = "https://api.masspay.io/v1.0.0", fetch: fetchFn = fetch, AUTHORIZERNAME} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (args.client_only != null) query.append("client_only", String(args.client_only))
if (AUTHORIZERNAME !== undefined) headers.set("Authorization", AUTHORIZERNAME)

const url = `${baseUrl.replace(/\/+$/, '')}/wallet/${encodeURIComponent(String(args.user_token))}${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(getApiWalletUserTokenResponse, await res.json())
};