/**
 * 工具栏，排序、切换显示模式
 */
export const useToolbar = Behavior({
  data: {
    color: '#FA550F',
    sort: '',
    sortText: '默认排序',
    displayMode: 0,
  },
  methods: {
    handleSort() {
      let { sort, sortText } = this.data;
      if (sort === '') {
        sort = 'asc';
        sortText = '必填优先';
      } else if (sort === 'asc') {
        sort = 'desc';
        sortText = '选填优先';
      } else {
        sort = '';
        sortText = '默认排序';
      }
      this.setData({ sort, sortText });
      this.changeSort(sort);
    },

    changeStyle() {
      let { displayMode } = this.data;
      displayMode = !displayMode;
      this.setData({ displayMode });
    },

    changeSort(sort) {
      const { pageList } = this.data;
      pageList.forEach(page => {
        page.sort((a, b) => {
          // 默认排序
          if (sort === '') {
            return a.ledgerSubTypeId - b.ledgerSubTypeId;
          }
          // 选填优先
          else if (sort === 'asc') {
            return b.needUpdate - a.needUpdate;
          }
          // 选填优先
          else {
            return a.needUpdate - b.needUpdate;
          }
        });
      });
      this.setData({ pageList });
    },
  },
});