import Vue from 'vue'
import Vuex from 'vuex'
import { isObject, isArray } from '@/utils/is'

let qnToken = null,
  /**
   * @value avatar 头像
   * @value name 用户名
   * @value userId 用户id
   * @value mobile 手机号
   */
  userInfo = null,
  openId = null
const userInfoParams = ['name', 'userId', 'mobile', 'avatar']
try {
  openId = uni.getStorageSync('openId')
  qnToken = uni.getStorageSync('qnToken')
  userInfo = uni.getStorageSync('userInfo')
  if (userInfo) {
    userInfo = JSON.parse(userInfo)
  }
} catch (e) {
  console.warn('初始化错误:', e)
}

Vue.use(Vuex)
let store = null
if (!store) {
  store = new Vuex.Store({
    state: {
      openId: openId || '',
      qnToken: qnToken || '', // token
      userInfo: userInfo || {}, // 用户信息
      nextPage: {
        name: '',
        data: {}
      },
      /**
       * 监听cache的type即可,每次取值后都必须调用commit('resetCache')
       */
      cache: {
        type: 'none',
        data: null
      }
    },
    mutations: {
      setCache(state, { type, data }) {
        state.cache.type = type
        state.cache.data = data
      },
      resetCache(state) {
        state.cache.type = 'none'
        state.cache.data = null
      },
      setOpenId(state, token) {
        try {
          uni.setStorageSync('openId', token)
          state.openId = token
        } catch (e) {
          console.warn('更改openId失败:', e)
        }
      },
      removeOpenId(state) {
        try {
          uni.removeStorageSync('openId')
          state.openId = ''
        } catch (e) {
          console.warn('删除openId失败:', e)
        }
      },
      setToken(state, token) {
        try {
          uni.setStorageSync('qnToken', token)
          console.log('设置token成功')
          state.qnToken = token
        } catch (e) {
          console.warn('更改token失败:', e)
        }
      },
      removeToken(state) {
        try {
          uni.removeStorageSync('qnToken')
          console.log('删除token')
          state.qnToken = ''
        } catch (e) {
          console.warn('删除token失败:', e)
        }
      },
      setUserInfo(state, userInfo) {
        if (!isObject(userInfo)) {
          console.warn('userInfo必须是对象')
          return
        }
        for (let param of userInfoParams) {
          if (userInfo[param] === undefined) {
            console.warn('userInfo必须包含' + param + '属性')
            return
          }
        }
        try {
          uni.setStorageSync('userInfo', JSON.stringify(userInfo))
          state.userInfo = userInfo
        } catch (e) {
          console.warn('设置userInfo失败:', e)
        }
      },
      /**
       * 更改当前用户信息
       * @param {*} state 状态
       * @param {arr} map 以key-value形式存储的数组
       * @value key 需要更改的key
       * @value value 更改后的值
       */
      changeUserInfo(state, map) {
        if (!isArray(map)) {
          console.warn('map必须是数组')
          return
        }
        let userInfo = state.userInfo
        map.forEach((item) => {
          if (userInfoParams.includes(item.key)) {
            userInfo[item.key] = item.value
          }
        })
        try {
          uni.setStorageSync('userInfo', JSON.stringify(userInfo))
          state.userInfo = userInfo
        } catch (e) {
          console.warn('更改userInfo失败:', e)
        }
      },
      removeUserInfo(state) {
        try {
          uni.removeStorageSync('userInfo')
          state.userInfo = {}
        } catch (e) {
          console.warn('删除userInfo失败:', e)
        }
      },
      setNextPage(state, nextPage) {
        if (!isObject(nextPage)) {
          console.warn('nextPage必须是对象')
          return
        }
        state.nextPage.name = nextPage.name || ''
        state.nextPage.data = nextPage.data || {}
      },
      removeNextPage(state) {
        state.nextPage.name = ''
        state.nextPage.data = {}
      }
    },
    actions: {
      logout({ commit }) {
        commit('removeOpenId')
        commit('removeToken')
        commit('removeUserInfo')
      }
    }
  })
}

export default store