import {z} from 'zod'

export type CreateApiCounterpartyArgs = {body: {ach?: ({account_number?: string | undefined, account_type?: string | undefined, routing_number?: string | undefined}) | undefined, name_on_account: string, plaid_processor_token?: string | undefined, userdata?: Record<string, never> | undefined, wire?: ({account_number?: string | undefined, address_on_account?: ({city?: string | undefined, country?: string | undefined, postal_code?: string | undefined, state?: string | undefined, street_line_1?: string | undefined, street_line_2?: string | undefined}) | undefined, bank_address?: ({city?: string | undefined, country?: string | undefined, postal_code?: string | undefined, state?: string | undefined, street_line_1?: string | undefined, street_line_2?: string | undefined}) | undefined, bank_name?: string | undefined, routing_number?: string | undefined}) | undefined}};

export type CreateApiCounterpartyOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createApiCounterpartyResponse = z.object({ach: z.object({account_number: z.string().optional(), account_type: z.string().optional(), routing_number: z.string().optional()}).optional(), id: z.string().optional(), name_on_account: z.string().optional(), plaid_processor_token: z.string().optional(), userdata: z.object({}).optional(), wire: z.object({account_number: z.string().optional(), address_on_account: z.object({city: z.string().optional(), country: z.string().optional(), postal_code: z.string().optional(), state: z.string().optional(), street_line_1: z.string().optional(), street_line_2: z.string().optional()}).optional(), bank_address: z.object({city: z.string().optional(), country: z.string().optional(), postal_code: z.string().optional(), state: z.string().optional(), street_line_1: z.string().optional(), street_line_2: z.string().optional()}).optional(), bank_name: z.string().optional(), routing_number: z.string().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
};

/**
 * Create a Counterparty
 * 
 * POST /counterparty
 * 
 * Also accepts auth: apiKey
 */
export const createApiCounterparty = async (args: CreateApiCounterpartyArgs, options?: CreateApiCounterpartyOptions) => {
const {baseUrl = "https://api.treasuryprime.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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