import {z} from 'zod'

export type V2UsersTosAcceptance = {ip: string, unix_timestamp: number};

export type CreateApiV2GuestUsersArgs = {body: {country_code: string, email: string, first_name?: string | undefined, last_name?: string | undefined, tos_acceptance: V2UsersTosAcceptance}};

export type CreateApiV2GuestUsersOptions = {baseUrl?: string | undefined, APIKey?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const v2UsersUser = z.object({created_at: z.string(), deleted_at: z.string().optional(), email: z.string(), first_name: z.string().min(1).optional(), id: z.string(), last_name: z.string().min(1).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 new guest user
 * 
 * POST /v2/guest_users
 */
export const createApiV2GuestUsers = async (args: CreateApiV2GuestUsersArgs, options?: CreateApiV2GuestUsersOptions) => {
const {baseUrl = "https://api.test.trustap.com", fetch: fetchFn = fetch, APIKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/guest_users${query.size > 0 ? `?${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(v2UsersUser, await res.json())
};