/** 后台单页应用可导航的路由标识，入口公告独立于入口开关维护。 */
export type AdminRouteId =
  | 'overview'
  | 'tables'
  | 'debug'
  | 'tracking'
  | 'redeem'
  | 'invite'
  | 'tasks'
  | 'recharge-products'
  | 'creation-announcement'
  | 'creation-entry'
  | 'work-visibility';

/** 后台导航项定义，hash 是浏览器地址栏和移动底栏共用入口。 */
export interface AdminRouteDefinition {
  id: AdminRouteId;
  label: string;
  hash: string;
}

export const adminRoutes: AdminRouteDefinition[] = [
  {id: 'overview', label: '总览', hash: '#overview'},
  {id: 'tables', label: '表查询', hash: '#tables'},
  {id: 'debug', label: 'API 调试', hash: '#debug'},
  {id: 'tracking', label: '埋点数据', hash: '#tracking'},
  {id: 'redeem', label: '兑换码', hash: '#redeem'},
  {id: 'invite', label: '邀请码', hash: '#invite'},
  {id: 'tasks', label: '任务配置', hash: '#tasks'},
  {id: 'recharge-products', label: '充值商品', hash: '#recharge-products'},
  {id: 'creation-announcement', label: '入口公告', hash: '#creation-announcement'},
  {id: 'creation-entry', label: '入口开关', hash: '#creation-entry'},
  {id: 'work-visibility', label: '作品可见性', hash: '#work-visibility'},
];

/** 根据地址栏 hash 解析后台路由，未知 hash 回落到总览页。 */
export function resolveAdminRoute(hash: string): AdminRouteId {
  const normalizedHash = hash.trim().toLowerCase().split('?')[0] ?? '';
  return (
    adminRoutes.find((route) => route.hash === normalizedHash)?.id ??
    'overview'
  );
}

/** 根据后台路由标识反查 hash，供导航点击时同步地址栏。 */
export function routeHash(routeId: AdminRouteId) {
  return (
    adminRoutes.find((route) => route.id === routeId)?.hash ??
    adminRoutes[0]?.hash ??
    '#overview'
  );
}