import {z} from 'zod'

export type GetApiSubMerchantsArgs = {since_token?: string | undefined, count?: string | undefined, order?: string | undefined};

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

export const subMerchantProperties = z.object({token: z.string().optional(), name: z.string().optional(), environment_key: z.string().optional(), organization_key: z.string().optional(), merchant_url: z.string().optional(), ein: z.string().optional(), merchant_email: z.string().optional(), merchant_defined_uid: z.string().optional(), merchant_data: z.object({card_network: z.string().optional(), acquirer_merchant_id: z.string().optional(), mcc: z.string().optional(), acquirer_bin: z.string().optional(), business_id: z.string().optional(), merchant_data_id: z.string().optional()}).optional(), address: z.object({address1: z.string().optional(), address2: z.string().optional(), city: z.string().optional(), state: z.string().optional(), zip: z.string().optional(), country: z.string().optional()}).optional(), metadata: z.object({}).optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const listSubMerchantsResponse = z.object({sub_merchants: z.array(subMerchantProperties).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
};

/**
 * List sub_merchants
 * 
 * GET /sub_merchants
 */
export const getApiSubMerchants = async (args: GetApiSubMerchantsArgs, options?: GetApiSubMerchantsOptions) => {
const {baseUrl = "https://core.spreedly.com/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.since_token != null) query.append("since_token", String(args.since_token))
if (args.count != null) query.append("count", String(args.count))
if (args.order != null) query.append("order", String(args.order))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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