import {z} from 'zod'

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

export const account = z.object({id: z.string().optional(), accountId: z.string().optional(), accountVan: z.string().optional(), accountTitle: z.string().optional(), displayName: z.enum(["accountTitle", "accountVan", "accountId"]).optional(), accountAlias: z.string().optional(), accountStatus: z.number().optional(), currency: z.enum(["AUD", "GBP", "CAD", "CNH", "CZK", "DKK", "EUR", "HKD", "HUF", "INR", "ILS", "JPY", "MXN", "NOK", "NZD", "PLN", "RUB", "SGD", "SEK", "CHF", "USD"]).optional(), type: z.enum(["INDIVIDUAL", "JOINT", "ORG", "TRUST", "DEMO"]).optional(), tradingType: z.string().optional(), faclient: z.boolean().optional(), clearingStatus: z.enum(["O", "P", "N", "A", "R", "C"]).optional(), covestor: z.boolean().optional(), parent: z.object({mmc: z.array(z.string()).optional(), accountId: z.string().optional(), isMParent: z.boolean().optional(), isMChild: z.boolean().optional(), isMultiplex: z.boolean().optional()}).optional(), desc: z.string().optional()});

export const accounts = z.array(account);

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
};

/**
 * Portfolio Accounts
 * 
 * GET /portfolio/accounts
 */
export const getApiPortfolioAccounts = async (options?: GetApiPortfolioAccountsOptions) => {
const {baseUrl = "http://localhost:5000/v1/api", fetch: fetchFn = fetch} = options ?? {}

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

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