import { login } from '@/api/user'
import {
  getToken,
  setToken,
  setEmail,
  removeToken,
  setAuthRoutes,
  removeAuthRoutes,
  setUserName,
  setRoleName,
} from '@/utils/auth'
import router, { resetRouter } from '@/router'

const state = {
  token: getToken(),
  name: '',
  avatar: '',
  introduction: '',
  roles: [],
  resources: []
}

const mutations = {
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_INTRODUCTION: (state, introduction) => {
    state.introduction = introduction
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  },
  SET_RESOURCES: (state, resources) => {
    state.resources = resources
  }
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    return new Promise((resolve, reject) => {
      login({
        email: userInfo.email,
        //userName: userInfo.username.trim(),
        password: userInfo.password,
        otp: userInfo.otp
      }).then(response => {
        const {
          data: {
            accessToken: token,
            resources,
            roleName,
            userName,
            email
          }
        } = response
        commit('SET_TOKEN', token)
        setToken(token)
        setEmail(email)
        setAuthRoutes(resources)
        setUserName(userName)
        setRoleName(roleName)
        resolve(response)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      commit('SET_ROLES', ['admin'])
      resolve({ roles: ['admin'] })
    })
  },

  // user logout
  logout({ commit, state, dispatch }) {
    return new Promise((resolve, reject) => {
      commit('SET_TOKEN', '')
      commit('SET_ROLES', [])
      removeToken()
      removeAuthRoutes()
      resetRouter()

      // reset visited views and cached views
      // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
      dispatch('tagsView/delAllViews', null, { root: true })
      resolve()
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      commit('SET_TOKEN', '')
      commit('SET_ROLES', [])
      removeToken()
      removeAuthRoutes()
      resolve()
    })
  },

  // dynamically modify permissions
  async changeRoles({ commit, dispatch }, role) {
    const token = role + '-token'

    commit('SET_TOKEN', token)
    setToken(token)

    const { roles } = await dispatch('getInfo')

    resetRouter()

    // generate accessible routes map based on roles
    const accessRoutes = await dispatch('permission/generateRoutes', roles, { root: true })
    // dynamically add accessible routes
    router.addRoutes(accessRoutes)

    // reset visited views and cached views
    dispatch('tagsView/delAllViews', null, { root: true })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
