const TOKEN_KEY = 'authserver_token'
const USER_KEY = 'authserver_user'

export function getToken(): string | null {
  return localStorage.getItem(TOKEN_KEY)
}

export function setToken(token: string): void {
  localStorage.setItem(TOKEN_KEY, token)
}

export function removeToken(): void {
  localStorage.removeItem(TOKEN_KEY)
}

export function getUser(): any {
  const userStr = localStorage.getItem(USER_KEY)
  return userStr ? JSON.parse(userStr) : null
}

export function setUser(user: any): void {
  localStorage.setItem(USER_KEY, JSON.stringify(user))
}

export function removeUser(): void {
  localStorage.removeItem(USER_KEY)
}

export function isTokenExpired(token: string): boolean {
  try {
    const payload = JSON.parse(atob(token.split('.')[1]))
    return payload.exp * 1000 < Date.now()
  } catch {
    return true
  }
}