/* eslint-disable camelcase */
import React, { Fragment } from 'react';
import { compose, graphql } from 'react-apollo';
import ReduxForm from 'declarative-redux-form';
import { set } from 'react-redux-values';
import { connect } from 'react-redux';
import { Margin } from 'styled-components-spacing';
import Flex, { FlexItem } from 'styled-flex-component';
import get from 'lodash.get';
import forceArray from 'force-array';

import { FirewallIcon, H3, Button, P } from 'joyent-ui-toolkit';

import {
  ToggleFirewallForm,
  ToggleInactiveForm,
  TagRules,
  DefaultRules
} from '@components/firewall';

import Title from '@components/create-instance/title';
import Description from '@components/description';
import Empty from '@components/empty';
import ListFwRules from '@graphql/list-fw-rules.gql';

const FORM_NAME = 'CREATE-INSTANCE-FIREWALL';

const Firewall = ({
  defaultRules = [],
  tagRules = [],
  expanded = false,
  proceeded = false,
  loading = false,
  enabled = false,
  handleNext,
  handleEdit,
  step
}) => (
  <Fragment>
    <Title
      id={step}
      onClick={!expanded && !proceeded && handleEdit}
      collapsed={!expanded && !proceeded}
      icon={<FirewallIcon />}
    >
      Firewall
    </Title>
    {expanded ? (
      <Description>
        Cloud Firewall rules control traffic across instances. Enabling the
        firewall adds a default set of rules and rules defined by your chosen
        tags.{' '}
        <a
          target="__blank"
          href="https://docs.joyent.com/public-cloud/network/firewall"
          rel="noopener noreferrer"
        >
          Read more
        </a>
      </Description>
    ) : null}
    <Flex>
      <FlexItem>
        <ReduxForm
          form={`${FORM_NAME}-enabled`}
          destroyOnUnmount={false}
          forceUnregisterOnUnmount={true}
        >
          {props =>
            expanded ? (
              <Margin right={4}>
                <ToggleFirewallForm {...props} submitting={loading} left />
              </Margin>
            ) : null
          }
        </ReduxForm>
      </FlexItem>
      <FlexItem>
        <ReduxForm
          form={`${FORM_NAME}-inactive`}
          destroyOnUnmount={false}
          forceUnregisterOnUnmount={true}
        >
          {props =>
            enabled && expanded && !loading ? (
              <ToggleInactiveForm {...props} />
            ) : null
          }
        </ReduxForm>
      </FlexItem>
    </Flex>
    {enabled &&
    expanded &&
    !loading &&
    !defaultRules.length &&
    !tagRules.length ? (
      <Margin top={4}>
        <Empty borderTop>
          Sorry, but we weren’t able to find any firewall rules.
        </Empty>
      </Margin>
    ) : null}
    {!loading && expanded && enabled && defaultRules.length ? (
      <Margin top={4}>
        <DefaultRules rules={defaultRules} />
      </Margin>
    ) : null}
    {!loading && expanded && enabled && tagRules.length ? (
      <Margin top={4}>
        <TagRules rules={tagRules} />
      </Margin>
    ) : null}
    {!loading &&
    expanded &&
    enabled &&
    (tagRules.length || defaultRules.length) ? (
      <Margin TOP={4}>
        <P>
          *Other firewall rules may apply as defined by wildcard(s), IP(s),
          subnet(s), tag(s) or VM(s). Please see{' '}
          <a
            href="https://apidocs.joyent.com/cloudapi/#firewall-rule-syntax"
            target="_blank"
            rel="noopener noreferrer"
          >
            firewall rule list
          </a>{' '}
          for more details.
        </P>
      </Margin>
    ) : null}
    {proceeded && !expanded ? (
      <Margin bottom={4}>
        <H3>{enabled ? 'Firewall enabled' : 'Firewall not enabled'}</H3>
      </Margin>
    ) : null}
    {expanded ? (
      <Margin top={4} bottom={7}>
        <Button type="button" onClick={handleNext}>
          Next
        </Button>
      </Margin>
    ) : proceeded ? (
      <Margin top={4} bottom={7}>
        <Button type="button" onClick={handleEdit} secondary>
          Edit
        </Button>
      </Margin>
    ) : null}
  </Fragment>
);

export default compose(
  connect(
    ({ form, values }, ownProps) => ({
      ...ownProps,
      proceeded: get(values, 'create-instance-firewall-proceeded', false),
      enabled: get(form, `${FORM_NAME}-enabled.values.enabled`, false),
      showInactive: get(form, `${FORM_NAME}-inactive.values.inactive`, false),
      tags: get(values, 'create-instance-tags', [])
    }),
    (dispatch, { history }) => ({
      handleNext: () => {
        dispatch(
          set({ name: 'create-instance-firewall-proceeded', value: true })
        );

        return history.push(`/~create/cns${history.location.search}`);
      },
      handleEdit: () => {
        return history.push(`/~create/firewall${history.location.search}`);
      }
    })
  ),
  graphql(ListFwRules, {
    options: ({ tags, expanded, enabled }) => ({
      ssr: false,
      fetchPolicy: expanded && enabled ? 'cache-first' : 'cache-only',
      variables: {
        tags: tags.map(({ name, value }) => ({ name, value }))
      }
    }),
    props: ({ ownProps, data }) => {
      const { showInactive } = ownProps;

      const {
        firewall_rules_create_machine = [],
        loading,
        error,
        refetch
      } = data;

      const rules = forceArray(firewall_rules_create_machine).filter(
        ({ enabled }) => enabled || showInactive
      );

      return {
        defaultRules: rules.filter(({ rule_obj = {} }) => rule_obj.isWildcard),
        tagRules: rules.filter(({ rule_obj = {} }) => rule_obj.tags.length),
        loading,
        error,
        refetch
      };
    }
  })
)(Firewall);