import {getRoleFromToken, getSubjectFromToken, type UserRole} from '../utils/jwt'

let _accessToken = $state<string | null>(localStorage.getItem('accessToken'))
let _refreshToken = $state<string | null>(localStorage.getItem('refreshToken'))
let _name = $state<string | null>(localStorage.getItem('hunterName'))

export const auth = {
  get accessToken() { return _accessToken },
  get refreshToken() { return _refreshToken },
  get isLoggedIn() { return _accessToken !== null },
  get role(): UserRole | null { return _accessToken ? getRoleFromToken(_accessToken) : null },
  get isAdmin() { return auth.role === 'ADMIN' },
  get subject() { return _accessToken ? getSubjectFromToken(_accessToken) : null },
  get name() { return _name },
}

export function setTokens(accessToken: string, refreshToken: string, name?: string) {
  _accessToken = accessToken
  _refreshToken = refreshToken
  localStorage.setItem('accessToken', accessToken)
  localStorage.setItem('refreshToken', refreshToken)
  if (name !== undefined) {
    _name = name
    localStorage.setItem('hunterName', name)
  }
}

export function setAccessToken(token: string) {
  _accessToken = token
  localStorage.setItem('accessToken', token)
}

export function getAccessToken() { return _accessToken }
export function getRefreshToken() { return _refreshToken }

export function clearTokens() {
  _accessToken = null
  _refreshToken = null
  _name = null
  localStorage.removeItem('accessToken')
  localStorage.removeItem('refreshToken')
  localStorage.removeItem('hunterName')
}