import { reactive } from 'vue'

const AUTH_KEY = '36wisdom_auth'
const CHILD_KEY = '36wisdom_child'
const AGE_KEY = '36wisdom_child_age'

function loadAuth() {
  const saved = uni.getStorageSync(AUTH_KEY)
  return saved || { token: '', parentId: 0 }
}

const state = reactive({
  token: loadAuth().token,
  parentId: loadAuth().parentId,
  childId: Number(uni.getStorageSync(CHILD_KEY) || 0)
})

export function isLoggedIn() {
  return !!state.token
}

export function getToken() {
  return state.token
}

export function getParentId() {
  return state.parentId
}

export function getChildId() {
  return state.childId
}

export function setChildId(childId) {
  state.childId = childId
  uni.setStorageSync(CHILD_KEY, childId)
}

export function setAuth(token, parentId) {
  state.token = token
  state.parentId = parentId
  uni.setStorageSync(AUTH_KEY, { token, parentId })
}

export function clearAuth() {
  state.token = ''
  state.parentId = 0
  uni.removeStorageSync(AUTH_KEY)
}

export function getChildAge() {
  return uni.getStorageSync(AGE_KEY) || '4-6'
}

export function setChildAge(age) {
  uni.setStorageSync(AGE_KEY, age)
}