import {
  login,
  logout,
  getInfo
} from '@/api/user'
import {
  getToken,
  setToken,
  removeToken
} from '@/utils/auth'
import {
  resetRouter
} from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    roles: []
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  }
}

const actions = {
  // user login
  login({
    commit
  }, userInfo) {
    const {
      username,
      password
    } = userInfo
    return new Promise((resolve, reject) => {
      login({
        username: username.trim(),
        password: password
      }).then(response => {
        console.log('返回的数据-- step 3------>', response);
        // const { token, name, id, password } = response
        const {
          token,
          name
        } = response
        console.log('返回的数据-- step 4------>', response);
        commit('SET_TOKEN', token)
        setToken(token)
        resolve()
      }).catch(error => {
        console.log('返回的数据-- step 4.1------>', error);
        reject(error)
      })
    })
  },

  // get user info
  getInfo({
    commit,
    state
  }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        console.log('返回的数据-- step 5------>', state);
        console.log('返回的数据-- step 5.1------>', response);
        const {
          avatar,
          id,
          name,
          password,
          roles,
          token
        } = response
        if (!roles) {
          reject('Verification failed, please Login again.')
        }
        console.error('返回的数据-- step 5.2------>', response);
        // roles must be a non-empty array
        if (!roles || roles.length <= 0) {
          reject('getInfo: roles must be a non-null array!')
        }
        commit('SET_ROLES', roles)
        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        resolve(response)
      }).catch(error => {
        console.log('返回的数据-- step 5.3------>', error);
        reject(error)
      })
    })
  },

  // user logout
  logout({
    commit,
    state
  }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({
    commit
  }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

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