import type { OAuthTokenResponse, Result } from "./types"
import * as querystring from "node:querystring"
import { baseUrl, failure, success } from "./common"
import logger from "@common/logger"

export async function refreshToken(
  clientId: string,
  clientSecret: string,
  refreshToken: string,
): Promise<Result<OAuthTokenResponse, string>> {
  const queries = querystring.stringify({
    client_id: clientId,
    client_secret: clientSecret,
    refresh_token: refreshToken,
    grant_type: "refresh_token",
  })
  const url = `${baseUrl}/oauth/token?${queries}`
  logger.debug(`Sending POST request to url: '${url}'`)
  const response = await fetch(url, {
    method: "post",
    headers: {
      "Content-Type": "application/x-www-form-urlencoded",
    },
  })
  logger.debug(`Received response with status '${response.status}'`)
  if (!response.ok) {
    return failure(await response.text())
  }
  return success(await response.json())
}