import {z} from 'zod'

export type UserID = string;

export type UserSecret = string;

export type AccountID = string;

export type GetApiAccountsAccountIdBalancesArgs = {userId: UserID, userSecret: UserSecret, accountId: AccountID};

export type GetApiAccountsAccountIdBalancesOptions = {baseUrl?: string | undefined, PartnerSignature?: string | undefined, PartnerClientId?: string | undefined, PartnerTimestamp?: string | undefined, fetch?: typeof fetch | undefined};

export const currencyID = z.string();

export const currency = z.object({id: currencyID.optional(), code: z.string().optional(), name: z.string().optional()});

export const balance = z.object({currency: currency.optional(), cash: z.number().nullable().optional(), buying_power: z.number().nullable().optional()});

export const getApiAccountsAccountIdBalancesResponse = z.array(balance);

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 account balances
 * 
 * GET /accounts/{accountId}/balances
 */
export const getApiAccountsAccountIdBalances = async (args: GetApiAccountsAccountIdBalancesArgs, options?: GetApiAccountsAccountIdBalancesOptions) => {
const {baseUrl = "https://api.snaptrade.com", fetch: fetchFn = fetch, PartnerSignature, PartnerClientId, PartnerTimestamp} = options ?? {}

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

if (args.userId != null) query.append("userId", String(args.userId))
if (args.userSecret != null) query.append("userSecret", String(args.userSecret))
if (PartnerSignature !== undefined) headers.set("Signature", PartnerSignature)
if (PartnerClientId !== undefined) query.set("clientId", PartnerClientId)
if (PartnerTimestamp !== undefined) query.set("timestamp", PartnerTimestamp)

const url = `${baseUrl.replace(/\/+$/, '')}/accounts/${encodeURIComponent(String(args.accountId))}/balances${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(getApiAccountsAccountIdBalancesResponse, await res.json())
};