import {
  fetchOaCcUnreadCount,
  fetchOaInstanceDraftCount,
  fetchOaMentionUnreadCount,
  fetchOaPendingTaskCount
} from './oa-api.js'

const PATH_DRAFTS = '/pages/oa/drafts/index'
const PATH_PENDING = '/pages/oa/pending/index'
const PATH_CC = '/pages/oa/cc/index'
const PATH_MENTIONS = '/pages/oa/mentions/index'

function readCount(data) {
  if (data == null) return 0
  if (typeof data === 'number') return Math.max(0, data)
  const n = Number(data.count)
  return Number.isFinite(n) && n > 0 ? n : 0
}

/**
 * 并行拉取草稿 / 待办 / 抄送未读 / 提到我的未读数量。
 * @returns {Promise<Record<string, number>>} path → 原始 count（>99 仍保留真实数字）
 */
export async function refreshOaMenuBadges() {
  const [draftRes, pendingRes, ccRes, mentionRes] = await Promise.all([
    fetchOaInstanceDraftCount().catch(() => null),
    fetchOaPendingTaskCount().catch(() => null),
    fetchOaCcUnreadCount().catch(() => null),
    fetchOaMentionUnreadCount().catch(() => null)
  ])
  return {
    [PATH_DRAFTS]: readCount(draftRes),
    [PATH_PENDING]: readCount(pendingRes),
    [PATH_CC]: readCount(ccRes),
    [PATH_MENTIONS]: readCount(mentionRes)
  }
}

/** 展示层：0 → 空串；>99 → `99+` */
export function formatOaBadgeCount(n) {
  const c = Number(n) || 0
  if (c <= 0) return ''
  return c > 99 ? '99+' : String(c)
}