// ============================================================
// ZCLAW SaaS Admin — JWT Token 管理
// ============================================================

import type { AccountPublic } from './types'

const TOKEN_KEY = 'zclaw_admin_token'
const ACCOUNT_KEY = 'zclaw_admin_account'

/** 保存登录凭证 */
export function login(token: string, account: AccountPublic): void {
  if (typeof window === 'undefined') return
  localStorage.setItem(TOKEN_KEY, token)
  localStorage.setItem(ACCOUNT_KEY, JSON.stringify(account))
}

/** 清除登录凭证 */
export function logout(): void {
  if (typeof window === 'undefined') return
  localStorage.removeItem(TOKEN_KEY)
  localStorage.removeItem(ACCOUNT_KEY)
}

/** 清除认证状态（用于 Token 验证失败时） */
export function clearAuth(): void {
  if (typeof window === 'undefined') return
  localStorage.removeItem(TOKEN_KEY)
  localStorage.removeItem(ACCOUNT_KEY)
}

/** 获取 JWT token */
export function getToken(): string | null {
  if (typeof window === 'undefined') return null
  return localStorage.getItem(TOKEN_KEY)
}

/** 获取当前登录用户信息 */
export function getAccount(): AccountPublic | null {
  if (typeof window === 'undefined') return null
  const raw = localStorage.getItem(ACCOUNT_KEY)
  if (!raw) return null
  try {
    return JSON.parse(raw) as AccountPublic
  } catch {
    return null
  }
}

/** 是否已认证 */
export function isAuthenticated(): boolean {
  return !!getToken()
}