import {z} from 'zod'

export type CreateUserRequest = {email: string, name: string, role: string};

export type CreateApiUsersArgs = {body: CreateUserRequest};

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

export const userDetailsRole = z.object({id: z.string(), name: z.string()});

export const user = z.object({email: z.string(), id: z.string(), name: z.string(), role: userDetailsRole});

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
};

/**
 * Adds a user to the organization with the given role and sends them an invite email. If the email address already belongs to an Axiom account, Axiom keeps its existing name. API tokens can't assign the `owner` role.
 * 
 * POST /users
 */
export const createApiUsers = async (args: CreateApiUsersArgs, options?: CreateApiUsersOptions) => {
const {baseUrl = "https://api.axiom.co/v2", fetch: fetchFn = fetch, Auth} = options ?? {}

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

if (Auth !== undefined) headers.set('authorization', `Bearer ${Auth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/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(user, await res.json())
};