import { requestGetJson } from '@/shared/api/http'

export interface PermissionMenuItem {
  id: number | string
  name?: string
  column_key?: string
  route_path?: string
  menu_type?: string
  sort_order?: number
  created_at?: string
}

interface PermissionMenuResponse {
  success: boolean
  items?: PermissionMenuItem[]
  error?: string
}

function getCurrentUserId() {
  const raw = typeof window === 'undefined' ? '' : window.localStorage.getItem('uid') || ''
  const value = Number(raw)
  if (!Number.isFinite(value) || value <= 0) {
    throw new Error('未获取到用户ID')
  }
  return value
}

function getAppPermissionCacheKey(uid: number) {
  return `app_column_permissions:${String(uid)}`
}

export async function getCurrentUserAppColumnKeys() {
  const uid = getCurrentUserId()
  const cacheKey = getAppPermissionCacheKey(uid)

  try {
    const cachedItems = JSON.parse(window.localStorage.getItem(cacheKey) || 'null') as PermissionMenuItem[] | null
    if (Array.isArray(cachedItems)) {
      return cachedItems
        .map((item) => String(item.column_key || '').trim().toLowerCase())
        .filter(Boolean)
    }
  } catch (_error) {}

  const res = await requestGetJson<PermissionMenuResponse>(
    `/api/admin/user/${encodeURIComponent(String(uid))}/column-permissions`,
    {
      params: { menu_type: 'app' },
    },
  )

  if (!res.success) {
    throw new Error(res.error || '获取菜单权限失败')
  }

  try {
    window.localStorage.setItem(cacheKey, JSON.stringify(res.items || []))
  } catch (_error) {}

  return (res.items || [])
    .map((item) => String(item.column_key || '').trim().toLowerCase())
    .filter(Boolean)
}