import type {Cash} from 'cash-dom/dist/cash';
import {inRange} from 'lodash';
import type {
  Vnode,
  VnodeDOM
} from 'mithril';

import Component from '../Component';

declare global {
  namespace JSX {
    interface IntrinsicElements {
      TableCell: TableCell;
    }
  }
}

type Attributes = {type?: string};

export default class TableCell extends Component<Attributes> {
  view(vnode: Vnode) {
    this.attrs.addClassNames('mdc-data-table__cell', {
      [`mdc-data-table__cell--${this.attrs.get('type') as string}`]: this.attrs.has(
        'type'
      )
    });

    if (
      (!Array.isArray(vnode.children) || vnode.children.length === 0)
      && this.attrs.get('type') === 'checkbox'
    ) {
      vnode.children = [<mwc-checkbox key="checkbox" className="mdc-data-table__row-checkbox" />];
    }

    return <td {...this.attrs.all()}>{vnode.children}</td>;
  }

  oncreate(vnode: VnodeDOM<Attributes>) {
    super.oncreate(vnode);

    const checkboxes = (): Cash => $(this.element)
      .closest('.mdc-data-table')
      .find('tbody tr[checkable] mwc-checkbox');

    const cell: Cash = $(this.element);
    cell.children('mwc-checkbox').on('change', () => {
      const row = cell.parent();
      row.toggleClass('mdc-data-table__row--selected');
      const headerCheckbox = cell
        .closest('.mdc-data-table')
        .find('thead th mwc-checkbox');
      const checks = checkboxes();
      const checked = checks.filter('[checked]');

      if (inRange(checked.length, 1, checks.length)) {
        headerCheckbox.prop('indeterminate', true);
        headerCheckbox.prop('checked', false);
      } else {
        headerCheckbox.prop('checked', checks.length === checked.length);
        headerCheckbox.prop('indeterminate', false);
      }
    });
  }
}