import React from 'react';
import stl from './notifications.css';
import ListItem from './ListItem';
import { connect } from 'react-redux';
import { Button, SlideModal, Icon, Popup, NoContent, SegmentSelection } from 'UI';
import { fetchList, setViewed, setLastRead, clearAll } from 'Duck/notifications';
import withToggle from 'Components/hocs/withToggle';
import { withRouter } from 'react-router-dom';
import { fetchList as fetchAlerts, init as initAlert } from 'Duck/alerts';
import cn from 'classnames';

const AUTOREFRESH_INTERVAL = 5 * 60 * 1000;

@withToggle('visible', 'toggleVisisble')
@withRouter
class Notifications extends React.Component {
  state = { alertType: '' };

  constructor(props) {
    super(props);
    props.fetchList();
    setInterval(() => {
      props.fetchList();
    }, AUTOREFRESH_INTERVAL);
  }

  writeOption = (e, { name, value }) => this.setState({ [ name ]: value });

  navigateToUrl = notification => { // TODO should be able to open the alert edit form
    if (notification.options.source === 'ALERT') {
      const { initAlert } = this.props;
      this.props.fetchAlerts().then(function() {
        const { alerts } = this.props;
        const alert = alerts.find(i => i.alertId === notification.options.sourceId)
        initAlert(alert.toJS());
      }.bind(this));
    }    
  }

  onClearAll = () => {
    const { notifications } = this.props;
    const firstItem = notifications.first();
    this.props.clearAll({ endTimestamp: firstItem.createdAt.ts });
  }

  onClear = notification => {
    this.props.setViewed(notification.notificationId)
  }

  toggleModal = () => {    
    this.props.toggleVisisble(!this.props.visible);
  }

  render() {
    const { notifications, visible, loading, clearing, clearingAll } = this.props;
    const { alertType } = this.state;
    const unReadNotificationsCount = notifications.filter(({viewed}) => !viewed).size

    const filteredList = alertType === '' ?
      notifications :
      notifications.filter(i => i.filterKey === alertType);    

    return (
      <div>       
        <Popup
          trigger={
            <div className={ stl.button } onClick={ this.toggleModal } data-active={ visible }>
            <div className={ stl.counter } data-hidden={ unReadNotificationsCount === 0 }>
              { unReadNotificationsCount }
            </div>
            <Icon name="bell" size="18" />
          </div>
          }
          content={ `Alerts` }
          size="tiny"
          inverted
          position="top center"
        />
        <SlideModal
          title={
            <div className="flex items-center justify-between">
              <div>Alerts</div>
              { unReadNotificationsCount > 0 && (
                <div className="">
                  <Button
                    loading={clearingAll}
                    plain
                    simple
                    onClick={this.props.setLastRead}
                    disabled={unReadNotificationsCount === 0}
                    noPadding
                  >
                    <span
                      className={ cn("text-sm color-gray-medium", { 'invisible' : clearingAll })}
                      onClick={this.onClearAll}>
                        IGNORE ALL
                    </span>
                  </Button>
                </div>
              )}
            </div>
          }
          right
          isDisplayed={ visible }
          onClose={ visible && this.toggleModal }
          bgColor="white"
          size="small"
          content={ 
            <div className="">
              <NoContent
                title=""
                subtext="There are no alerts to show."
                icon="exclamation-circle"
                show={ !loading && notifications.size === 0 }
                size="small"
              >
                {
                  filteredList.map(item => (
                    <div className="border-b" key={item.key}>
                      <ListItem
                        key={item.key}
                        alert={item}
                        onClear={() => this.onClear(item)}
                        loading={clearing}                        
                      />
                    </div>
                  ))
                }
              </NoContent>
            </div>
          }
        />
      </div>
    );
  }
}

export default connect(state => ({
  notifications: state.getIn(['notifications', 'list']),
  loading: state.getIn(['notifications', 'fetchRequest', 'loading']),
  clearing: state.getIn(['notifications', 'setViewed', 'loading']),
  clearingAll: state.getIn(['notifications', 'clearAll', 'loading']),
  alerts: state.getIn(['alerts', 'list']),
}), { fetchList, setLastRead, setViewed, clearAll, fetchAlerts, initAlert })(Notifications);