import {z} from 'zod'

export type GetApiBankAccountsAccountIdentifierOrTokenArgs = {account_identifier_or_token: string, page?: number | undefined, per_page?: number | undefined};

export type GetApiBankAccountsAccountIdentifierOrTokenOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiBankAccountsAccountIdentifierOrTokenResponse = z.object({account_token: z.string().optional(), timestamp: z.string().optional(), external_account_id: z.string().optional(), external_entity_id: z.string().optional(), external_session_id: z.string().max(256).nullable().optional(), entity_token: z.string().nullable().optional(), account_class: z.enum(["credit", "deposit", "brokerage", "loan"]).nullable().optional(), account_name: z.string().nullable().optional(), account_number: z.string().optional(), routing_number: z.string().nullable().optional(), opening_date: z.string().nullable().optional(), maturity_date: z.string().nullable().optional(), closing_date: z.string().nullable().optional(), cif_number: z.string().nullable().optional(), card_network: z.string().nullable().optional(), country_code: z.string().nullable().optional(), currency: z.string().nullable().optional(), product_code: z.string().nullable().optional(), product_name: z.string().nullable().optional(), status: z.string().nullable().optional(), status_detail: z.string().nullable().optional(), credit_limit: z.number().nullable().optional(), account_balance: z.number().nullable().optional(), account_type_status: z.enum(["Written Off", "Active", "Refinanced", "Past Due", "Paid Off", "Cancelled"]).nullable().optional(), status_fraud: z.enum(["fraud", "not fraud"]).nullable().optional(), entity_group_token: z.string().nullable().optional(), external_entity_group_id: z.string().nullable().optional(), entities: z.array(z.union([z.object({account_holder_type: z.enum(["primary", "secondary", "power_of_attorney", "authorized_signer", "authorized_user", "beneficiary", "joint_owner", "custodian", "guardian", "trustee"]).optional(), external_entity_id: z.string(), entity_token: z.string().optional()}), z.object({account_holder_type: z.enum(["primary", "secondary", "power_of_attorney", "authorized_signer", "authorized_user", "beneficiary", "joint_owner", "custodian", "guardian", "trustee"]).optional(), external_entity_id: z.string().optional(), entity_token: z.string()})])).optional(), history: z.array(z.object({timestamp: z.string().optional(), status: z.string().optional(), status_detail: z.string().optional(), credit_limit: z.number().optional(), account_balance: z.number().optional(), status_fraud: z.enum(["fraud", "not fraud"]).optional()})).optional(), entity_groups: z.array(z.object({entity_group_token: z.string().optional(), entity_group_name: z.string().optional(), entity_group_type: z.enum(["business", "joint_account", "membership", "merchant"]).optional()})).optional()});

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 a single bank account, with historical and entity data, by unique token or identifier.
 * 
 * GET /bank-accounts/{account_identifier_or_token}
 * 
 * Also accepts auth: basic
 */
export const getApiBankAccountsAccountIdentifierOrToken = async (args: GetApiBankAccountsAccountIdentifierOrTokenArgs, options?: GetApiBankAccountsAccountIdentifierOrTokenOptions) => {
const {baseUrl = "https://sandbox.alloy.co/v1", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/bank-accounts/${encodeURIComponent(String(args.account_identifier_or_token))}${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(getApiBankAccountsAccountIdentifierOrTokenResponse, await res.json())
};