import { queryNotices } from '@/services/user'

const GlobalModel = {
  namespace: 'global',
  state: {
    collapsed: false,
    notices: []
  },
  effects: {
    *fetchNotices(_, { call, put, select }) {
      const data = yield call(queryNotices)
      yield put({
        type: 'saveNotices',
        payload: data
      })
      const unreadCount = yield select(
        state => state.global.notices.filter(item => !item.read).length
      )
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: data.length,
          unreadCount
        }
      })
    },

    *clearNotices({ payload }, { put, select }) {
      yield put({
        type: 'saveClearedNotices',
        payload
      })
      const count = yield select(state => state.global.notices.length)
      const unreadCount = yield select(
        state => state.global.notices.filter(item => !item.read).length
      )
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: count,
          unreadCount
        }
      })
    },

    *changeNoticeReadState({ payload }, { put, select }) {
      const notices = yield select(state =>
        state.global.notices.map(item => {
          const notice = { ...item }

          if (notice.id === payload) {
            notice.read = true
          }

          return notice
        })
      )
      yield put({
        type: 'saveNotices',
        payload: notices
      })
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: notices.length,
          unreadCount: notices.filter(item => !item.read).length
        }
      })
    }
  },
  reducers: {
    changeLayoutCollapsed(
      state = {
        notices: [],
        collapsed: true
      },
      { payload }
    ) {
      return { ...state, collapsed: payload }
    },

    saveNotices(state, { payload }) {
      return {
        collapsed: false,
        ...state,
        notices: payload
      }
    },

    saveClearedNotices(
      state = {
        notices: [],
        collapsed: true
      },
      { payload }
    ) {
      return {
        ...state,
        collapsed: false,
        notices: state.notices.filter(item => item.type !== payload)
      }
    }
  }
}
export default GlobalModel