// base rc-table 6.4.3
import T from './src/Table';
import Column from './src/Column';
import ColumnGroup from './src/ColumnGroup';
import {
  getOptionProps,
  getKey,
  getClass,
  getStyle,
  getEvents,
  getSlotOptions,
  camelize,
  getSlots,
} from '../_util/props-util';
const Table = {
  name: 'Table',
  Column,
  ColumnGroup,
  props: T.props,
  methods: {
    normalize(elements = []) {
      const columns = [];
      elements.forEach(element => {
        if (!element.tag) {
          return;
        }
        const key = getKey(element);
        const style = getStyle(element);
        const cls = getClass(element);
        const props = getOptionProps(element);
        const events = getEvents(element);
        const listeners = {};
        Object.keys(events).forEach(e => {
          const k = `on-${e}`;
          listeners[camelize(k)] = events[e];
        });
        const { default: children, title } = getSlots(element);
        const column = { title, ...props, style, class: cls, ...listeners };
        if (key) {
          column.key = key;
        }
        if (getSlotOptions(element).isTableColumnGroup) {
          column.children = this.normalize(typeof children === 'function' ? children() : children);
        } else {
          const customRender =
            element.data && element.data.scopedSlots && element.data.scopedSlots.default;
          column.customRender = column.customRender || customRender;
        }
        columns.push(column);
      });
      return columns;
    },
  },
  render() {
    const { $listeners, $slots, normalize } = this;
    const props = getOptionProps(this);
    const columns = props.columns || normalize($slots.default);
    const tProps = {
      props: {
        ...props,
        columns,
      },
      on: $listeners,
    };
    return <T {...tProps} />;
  },
};

export default Table;
export { Column, ColumnGroup };