<template>
  <BasicDrawer
    v-bind="$attrs"
    @register="registerDrawer"
    showFooter
    :title="getTitle"
    width="500px"
    @ok="handleSubmit"
  >
    <BasicForm @register="registerForm">
      <template #menu>
        <Spin :spinning="spinning">
          <BasicTree
            v-if="treeData.length"
            :treeData="treeData"
            :replaceFields="{ title: 'name', key: 'id' }"
            :checkedKeys="roleMenus"
            @check="handleCheckClick"
            @unSelectAll="handleUnSelectAll"
            checkable
            toolbar
            ref="treeRef"
            :title="t('tenant.rule.form.permission')"
          />
        </Spin>
      </template>
    </BasicForm>
  </BasicDrawer>
</template>
<script lang="ts">
  import { defineComponent, ref, computed, unref, nextTick } from 'vue';
  import { BasicForm, useForm } from '/@/components/Form/index';
  import { formSchema } from './role.data';
  import { BasicDrawer, useDrawerInner } from '/@/components/Drawer';
  import { BasicTree, CheckEvent, TreeActionType, TreeItem, CheckKeys } from '/@/components/Tree';

  // 加载菜单数据
  import { getAdminMenuList, getMenuList, getMenusIdsByRoleId } from '/@/api/sys/menu';
  import { useI18n } from '/@/hooks/web/useI18n';
  import { MenuRecord } from '/@/api/sys/model/menuModel';
  import { saveOrUpdateRoleInfoWithMenu } from '/@/api/system/system';
  import { RoleEnum } from '/@/enums/roleEnum';
  import { useMessage } from '/@/hooks/web/useMessage';
  import { KeysTypeEnum, RoleMenuDictEnum } from '../../system/role/role.data';
  import { findDictItemByCode } from '/@/api/system/dict';
  import { Spin } from 'ant-design-vue';
  import { useRole } from '/@/hooks/business/useRole';

  type TreeData = MenuRecord & TreeItem;

  export default defineComponent({
    name: 'RoleDrawer',
    components: { BasicDrawer, BasicForm, BasicTree, Spin },
    emits: ['success', 'register'],
    setup(_, { emit }) {
      const { t } = useI18n(); // 加载国际化
      const isUpdate = ref(true);
      const treeData = ref<TreeData[]>([]);
      const roleMenus = ref<string[]>([]);
      const roleId = ref('');
      const treeRef = ref<Nullable<TreeActionType>>(null);
      const checked = ref<string[]>([]); //需要选中的节点
      const spinning = ref(false);
      const checkedKeysWithHalfChecked = ref<(string | number)[]>([]);

      const [registerForm, { resetFields, setFieldsValue, validate }] = useForm({
        labelWidth: 90,
        schemas: formSchema,
        showActionButtonGroup: false,
      });

      const transformName = (data: TreeData[]) => {
        return data.map((item) => {
          item.name = t(item.name);
          if (item.children && item.children.length) {
            item.children = transformName(item.children as unknown as TreeData[]);
          }
          return item;
        });
      };

      const { isPlatformAdmin } = useRole();
      const [registerDrawer, { setDrawerProps, closeDrawer }] = useDrawerInner(async (data) => {
        resetFields();
        roleId.value = '';
        // 在打开弹窗时清除所有选择的菜单
        treeRef.value && treeRef.value?.setCheckedKeys([]);
        isUpdate.value = data.isUpdate;
        const roleType = RoleEnum.TENANT_ADMIN;
        try {
          spinning.value = true;

          if (!unref(treeData).length) {
            // 获取全部的菜单
            const menuListModel = unref(isPlatformAdmin)
              ? await getAdminMenuList()
              : await getMenuList();
            treeData.value = transformName(menuListModel as unknown as TreeData[]);
          }
          const keys = await getPermissionByRole(roleType);
          const { keyType } = RoleMenuDictEnum[roleType];
          treeData.value = filterPermissionTreeData(
            unref(treeData) as unknown as TreeData[],
            keys,
            keyType
          );

          // 更新
          if (unref(isUpdate)) {
            checked.value = [];
            roleId.value = data.record.id;

            //通过角色id去获取角色对应的菜单的ids
            checkedKeysWithHalfChecked.value = roleMenus.value = await getMenusIdsByRoleId(
              data.record.id
            );

            excludeHalfCheckedKeys(unref(treeData));

            await nextTick();
            treeRef.value?.setCheckedKeys(roleMenus.value);
            setFieldsValue(data.record);
          } else {
          }
        } catch (error) {
          throw error;
        } finally {
          spinning.value = false;
        }
      });
      const getTitle = computed(
        () =>
          (!unref(isUpdate) ? t('common.createText') : t('common.editText')) + t('tenant.rule.role')
      );

      // 取消全部的时候清除回显时获取的
      const handleUnSelectAll = () => {
        checkedKeysWithHalfChecked.value = [];
      };

      async function handleSubmit() {
        setDrawerProps({ loading: true, confirmLoading: true });
        const { createMessage } = useMessage();
        let treeCheckedKeys: string[] | CheckKeys =
          (unref(treeRef)?.getCheckedKeys() as string[] | CheckKeys) || [];
        //fix 取消层级独立后(unref(treeRef)?.getCheckedKeys() as string[])的数据不是数组，是{checked:[],halfChecked:[]}对象，迭代报错
        if (!Array.isArray(treeCheckedKeys)) {
          treeCheckedKeys = treeCheckedKeys?.checked;
        }
        const menu = [...new Set([...unref(checkedKeysWithHalfChecked), ...treeCheckedKeys])];
        try {
          const values = await validate();
          const req = {
            id: roleId.value,
            name: values.name,
            remark: values.remark,
            status: values.status,
            roleType: RoleEnum.TENANT_ADMIN,
            menu,
          };
          if (req.menu == undefined || !req.menu.length)
            return createMessage.error(t('system.role.placeMenu'));
          const res = await saveOrUpdateRoleInfoWithMenu(req);
          if (res) {
            closeDrawer();
            emit('success');
            createMessage.success(
              `${unref(isUpdate) ? t('common.editText') : t('common.createText')}${t(
                'common.successText'
              )}`
            );
            setDrawerProps({ loading: false });
            setDrawerProps({ confirmLoading: false });
          }
        } finally {
          setTimeout(() => {
            setDrawerProps({ loading: false });
            setDrawerProps({ confirmLoading: false });
          }, 300);
        }
      }

      const getPermissionByRole = async (roleType: RoleEnum) => {
        try {
          const { key } = RoleMenuDictEnum[roleType];
          const res = await findDictItemByCode({ dictCode: key });
          return res.map((item) => item.itemValue);
        } catch (error) {}
        return [];
      };

      const filterPermissionTreeData = (
        data: MenuRecord[],
        permissionKeys: string[],
        keysType: KeysTypeEnum
      ): TreeData[] => {
        const permissionCompare = (
          data: MenuRecord[],
          permissionKeys: string[],
          keysType: KeysTypeEnum
        ): TreeData[] => {
          return data.filter((item) => {
            item.name = t(item.name);
            const findFlag = permissionKeys.includes(item.permission);

            item.show = findFlag ? keysType === KeysTypeEnum.ENABLED : undefined;

            if (item.children && item.children.length) {
              if (item.show) return true;
              if (item.show === undefined) {
                item.children = permissionCompare(item.children, permissionKeys, keysType);
                item.show = item.children.some((item) =>
                  keysType === KeysTypeEnum.ENABLED
                    ? item.show
                    : item.show === undefined
                    ? true
                    : item.show
                );
                return item.show;
              }
            }

            return keysType === KeysTypeEnum.ENABLED
              ? item.show
              : item.show === undefined
              ? true
              : item.show;
          }) as unknown as TreeData[];
        };

        return permissionCompare(data, permissionKeys, keysType);
      };

      const excludeHalfCheckedKeys = (treeData: MenuRecord[]) => {
        const needExcludeKeys: string[] = [];
        const query = (data: MenuRecord[]) => {
          data.forEach((item) => {
            item.checked = roleMenus.value.includes(item.id);
            if (item.children && item.children.length) {
              query(item.children);
              item.checked = item.children.every((item) => item.checked);
            }
            if (!item.checked) {
              needExcludeKeys.push(item.id);
            }
          });
        };
        query(treeData);
        roleMenus.value = unref(roleMenus).filter((key) => !needExcludeKeys.includes(key));
        return needExcludeKeys;
      };

      const handleCheckClick = (selectedKeys: CheckKeys, event: CheckEvent) => {
        //fix 取消层级独立后selectedKeys不是数组，是{checked:[],halfChecked:[]}对象 迭代报错
        if (!Array.isArray(selectedKeys)) {
          selectedKeys = selectedKeys?.checked;
          event.halfCheckedKeys = [];
        }
        checkedKeysWithHalfChecked.value = [
          ...selectedKeys,
          ...(event.halfCheckedKeys as string[]),
        ];
      };

      return {
        spinning,
        registerDrawer,
        registerForm,
        getTitle,
        handleSubmit,
        treeData,
        roleMenus,
        treeRef,
        handleCheckClick,
        handleUnSelectAll,
        t,
      };
    },
  });
</script>

<style scoped lang="less">
  :deep(.vben-basic-tree) {
    width: 100% !important;
  }

  :deep(.is-unflod) {
    display: none !important;
  }

  :deep(.is-flod) {
    display: none !important;
  }
</style>