import fetch, { type RequestInit, type Response } from "node-fetch"

// TODO use node-auth0 sdk for this
export async function userNickname(userId: string): Promise<string | null> {
  const url = new URL(`${process.env.AUTH0_ISSUER_BASE_URL}/api/v2/users/${userId}`)
  const params = new URLSearchParams({
    fields: "nickname",
    include_fields: "true",
  })
  url.search = params.toString()

  const options: RequestInit = {
    method: "GET",
    headers: {
      authorization: `Bearer ${process.env.AUTH0_MANAGEMENT_API_TOKEN}`,
    },
  }

  const response: Response = await fetch(url, options)
  if (response.ok) {
    const user: { nickname } = await response.json()
    return user.nickname
  } else return null
}