import Vue from 'vue'
import Vuex from 'vuex'
import getters from './getters'
Vue.use(Vuex)
const modulesFiles = require.context('./modules', true, /\.js$/)
const modules = modulesFiles.keys().reduce((modules, modulePath) => {
  const moduleName = modulePath.replace(/^\.\/(.*)\.\w+$/, '$1')
  const value = modulesFiles(modulePath)
  modules[moduleName] = value.default
  return modules
}, {})

const store = new Vuex.Store({
  modules,
  getters,
})

// Vue.prototype.$state  = store.state

/**
 * 原vuex
 * 取值 this.$store.state.xxx
 * 设值 this.$store.commit('beichen/setState', { state, value })
 *
 * 下面则
 * 取值 this.$state.xxx
 * 设值 this.$state.xxx = xxx
 * */
 Vue.prototype.$state = new Proxy(
  {},
  {
    get(target, state) {
      return store.state[state]
    },
    set(target, state, value) {
      store.commit('app/setState', { state, value })
      return true
    }
  }
)

export default store