import {z} from 'zod'

export type GetApiApiSignupStartArgs = {ref?: (string | null) | undefined, confirmed?: (string | null) | undefined, missing?: (string | null) | undefined, select_account?: (string | null) | undefined, mode?: (string | null) | undefined, phone?: (string | null) | undefined, sms_consent?: (string | null) | undefined};

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

export const getApiApiSignupStartResponse = z.unknown();

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
};

/**
 * Signup Start
 * 
 * GET /api/signup/start
 */
export const getApiApiSignupStart = async (args: GetApiApiSignupStartArgs, options: GetApiApiSignupStartOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.ref != null) query.append("ref", String(args.ref))
if (args.confirmed != null) query.append("confirmed", String(args.confirmed))
if (args.missing != null) query.append("missing", String(args.missing))
if (args.select_account != null) query.append("select_account", String(args.select_account))
if (args.mode != null) query.append("mode", String(args.mode))
if (args.phone != null) query.append("phone", String(args.phone))
if (args.sms_consent != null) query.append("sms_consent", String(args.sms_consent))

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