import { computed, ref } from 'vue';
import { SceneListInfo, SortSceneItemParam, SortSceneDataParam } from '@/types/business-scene/type';
import { getSceneList, deleteSceneData, sortSceneData } from '@/api/sys-config/business-scene';
export const useTableHook = () => {
  const tableData = ref<SceneListInfo[]>([]);
  const getTableData = async () => {
    tableData.value = await getSceneList();
  };
  const deleteTableData = async (id: number) => {
    await deleteSceneData(id);
    await getTableData();
  };
  const orderNums = computed(() => {
    const length = tableData.value.length;
    const firstOrderNum = length > 0 ? tableData.value[0].orderNum : null;
    const lastOrderNum = length > 0 ? tableData.value[length - 1].orderNum : null;
    return [firstOrderNum, lastOrderNum];
  });
  const getSwapParam = (id: number, sortType: 'increase' | 'decrease') => {
    const index = tableData.value.findIndex((item) => item.id === id);
    if (index === -1) return;
    let idAndOrderDTOList: SortSceneItemParam[] = [];
    const currentOrder = tableData.value[index].orderNum; //当前的顺序
    if (sortType === 'increase') {
      /**
       * @description prevId -- 上一个的ID prevOrder -- 上一个的oderNum
       */
      const prevData = tableData.value[index - 1];
      const prevId = prevData.id;
      const prevOrder = prevData.orderNum;
      idAndOrderDTOList = [
        { sceneId: prevId, orderNum: currentOrder },
        { sceneId: id, orderNum: prevOrder },
      ];
    } else {
      /**
       * @description nextId -- 下一个的ID nextOrder -- 下一个的oderNum
       */
      const nextData = tableData.value[index + 1];
      const nextId = nextData.id;
      const nextOrder = nextData.orderNum;
      idAndOrderDTOList = [
        { sceneId: nextId, orderNum: currentOrder },
        { sceneId: id, orderNum: nextOrder },
      ];
    }
    const sortSceneDataParam: SortSceneDataParam = {
      idAndOrderDTOList,
    };
    return sortSceneDataParam;
  };
  const sortTableData = async (id: number, sortType: 'increase' | 'decrease') => {
    const idAndOrderDTOList = getSwapParam(id, sortType);
    await sortSceneData(idAndOrderDTOList!);
    await getTableData();
  };
  return { orderNums, tableData, getTableData, deleteTableData, sortTableData };
};