import {z} from 'zod'

export type Address = {city?: string | undefined, country?: string | undefined, line1?: string | undefined, line2?: string | undefined, postal_code?: string | undefined, state?: string | undefined};

export type NationalId = {id_value: string, county?: string | undefined, type?: string | undefined};

export type KycDataObject = {payload_version: string, type: 'individual' | 'entity', given_name?: string | undefined, surname?: string | undefined, address?: Address | undefined, dob?: string | undefined, place_of_birth?: Address | undefined, national_id?: NationalId | undefined, legal_entity_name?: string | undefined};

export type Balances = {XUS?: number | undefined, XDX?: number | undefined};

export type CreateAccountRequest = {kyc_data?: KycDataObject | undefined, balances?: Balances | undefined};

export type CreateApiAccountsArgs = {body: CreateAccountRequest};

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

export const resourceID = z.object({id: z.string()});

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
};

/**
 * Create a new account
 * 
 * POST /accounts
 */
export const createApiAccounts = async (args: CreateApiAccountsArgs, options: CreateApiAccountsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/accounts${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(resourceID, await res.json())
};