import { h, Component, createRef } from 'preact';
import WBNavbarCommon from 'wb-navbar-common';
import WBArvadosCrumbs from 'wb-arvados-crumbs';
import WBNameAndUuid from 'wb-name-and-uuid';
import WBSelect from 'wb-select';
import WBTable from 'wb-table';
import WBPickObjectDialog from 'wb-pick-object-dialog';
import makeArvadosRequest from 'make-arvados-request';

class WBSharingPage extends Component {
  constructor(...args) {
    super(...args);
    this.state.rows = [];
    this.dialogRef = createRef();
  }

  componentDidMount() {
    this.fetchData();
  }

  fetchData() {
    const { app, uuid } = this.props;
    const { arvHost, arvToken } = app.state;
    let prom = makeArvadosRequest(arvHost, arvToken,
      '/arvados/v1/permissions/' + encodeURIComponent(uuid));
    prom = prom.then(xhr => this.setState({
      'rows': this.prepareRows(xhr.response.items)
    }));
  }

  deletePermission(uuid) {
    throw Error('Not implemented');
  }

  prepareRows(items) {
    const { app } = this.props;
    return items.map(it => [
      ( <WBNameAndUuid app={ app } uuid={ it.tail_uuid } /> ),
      ( <WBSelect value={ it.name } options={ ['can_read', 'can_write', 'can_manage'] } /> ),
      ( <button class="btn btn-outline-danger m-1" title="Delete"
        onclick={ () => this.deletePermission(it.uuid) }>
        <i class="fas fa-trash"></i>
      </button> )
    ]);
  }

  addEntry(it) {
    throw Error('Not implemented');
  }

  save() {
    throw Error('Not implemented');
  }

  render({ app, uuid }, { rows }) {
    return (
      <div>
        <WBNavbarCommon app={ app } />

        <WBArvadosCrumbs app={ app } uuid={ uuid } />

        <div class="container-fluid">
          <div class="my-2">
            This is the sharing management page for { uuid }
          </div>

          <WBTable columns={ [ 'Name', 'Permission', '' ] }
            headerClasses={ [ null, null, 'w-1' ] }
            rows={ rows } />

          <WBPickObjectDialog app={ app } ref={ this.dialogRef } />

          <button class="btn btn-outline-secondary mr-2"
            onclick={ () => this.dialogRef.current.show('Select User', 'user', it => this.addEntry(it)) }>Add User...</button>
          <button class="btn btn-outline-secondary mr-2"
            onclick={ () => this.dialogRef.current.show('Select Group', 'group', it => this.addEntry(it), [['group_class', '=', 'role']]) }>Add Group...</button>
          <button class="btn btn-primary mr-2"
            onclick={ () => this.save() }>Save</button>
        </div>
      </div>
    );
  }
}

export default WBSharingPage;