import React, { Component } from 'react';
// Import PropTypes from 'prop-types';
import { compose, graphql } from 'react-apollo';
import InstancesQuery from '@graphql/Instances.gql';

import { LayoutContainer } from '@components/layout';
import { Loader, ErrorMessage } from '@components/messaging';
import { InstanceListItem, EmptyInstances } from '@components/instances';

class InstanceList extends Component {
  render() {
    const { instances, loading, error } = this.props;
    console.log('instances = ', instances);
    console.log('loading = ', loading);
    console.log('error = ', error);
    if (loading) {
      return (
        <LayoutContainer>
          <Loader />
        </LayoutContainer>
      );
    } else if (error) {
      return (
        <LayoutContainer>
          <ErrorMessage message="Oops, and error occured while loading your instances." />
        </LayoutContainer>
      );
    }

    const instanceList = instances
      ? instances.map((instance, index) =>
          <InstanceListItem
            instance={instance}
            key={instance.id}
            toggleCollapsed={() => null}
          />
        )
      : <EmptyInstances />;

    return (
      <LayoutContainer>
        <div>
          <h2>Instance List</h2>
        </div>
        {instanceList}
      </LayoutContainer>
    );
  }
}

const InstanceListGql = graphql(InstancesQuery, {
  options(props) {
    const params = props.match.params;
    const deploymentGroupSlug = params.deploymentGroup;
    const serviceSlug = params.service;
    return {
      variables: {
        deploymentGroupSlug,
        serviceSlug
      }
    };
  },
  props: ({ data: { deploymentGroup, loading, error } }) => ({
    instances: deploymentGroup && deploymentGroup.services
      ? deploymentGroup.services.reduce(
          (instances, service) => instances.concat(service.instances),
          []
        )
      : null,
    loading,
    error
  })
});

const InstanceListWithData = compose(InstanceListGql)(InstanceList);

export default InstanceListWithData;