/*
 * Copyright 2015 Mirantis, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 **/

import registerSuite from 'intern!object';
import assert from 'intern/chai!assert';
import Common from 'tests/functional/pages/common';
import ClusterPage from 'tests/functional/pages/cluster';
import 'tests/functional/helpers';

registerSuite(() => {
  var common, clusterPage, clusterName;
  var nodesAmount = 3;
  var applyButtonSelector = 'button.btn-apply';

  return {
    name: 'Cluster page',
    setup() {
      common = new Common(this.remote);
      clusterPage = new ClusterPage(this.remote);
      clusterName = common.pickRandomName('Test Cluster');

      return this.remote
        .then(() => common.getIn())
        .then(() => common.createCluster(clusterName))
        .then(() => clusterPage.goToTab('Nodes'));
    },
    'Add Cluster Nodes'() {
      return this.remote
        .assertElementExists(
          '.node-list .alert-warning',
          'Node list shows warning if there are no nodes in environment'
        )
        .clickByCssSelector('.btn-add-nodes')
        .waitForElementDeletion('.btn-add-nodes', 3000)
        .assertElementsAppear('.node', 3000, 'Unallocated nodes loaded')
        .assertElementDisabled(applyButtonSelector,
          'Apply button is disabled until both roles and nodes chosen')
        .assertElementsExist('.role-panel .row', 4, 'Roles are splitted in groups')
        .assertElementExists('.role-block.ironic.unavailable', 'Unavailable role is locked')
        .assertElementExists(
          '.role-block.ironic i.glyphicon-warning-sign',
          'Unavailable role has warning icon'
        )
        .findByCssSelector('.role-block.ironic')
          .then((element) => this.remote.moveMouseTo(element))
          .end()
        // the following timeout as we have 0.5s transition time for role popover
        .sleep(1000)
        .assertElementExists(
          '.role-block.ironic .popover .text-warning',
          'Role popover is opened and the role warning is shown in the popover'
        )
        // closing role popover by moving mouse
        .findByCssSelector('.page-title')
          .then((element) => this.remote.moveMouseTo(element))
          .end()
        .sleep(500)
        .then(() => clusterPage.checkNodeRoles(['Controller', 'Cinder']))
        .assertElementExists(
          '.role-block.controller i.glyphicon-selected-role',
          'Selected role has checkbox icon'
        )
        .assertElementExists(
          '.role-block.compute.unavailable',
          'Compute role can not be added together with selected roles'
        )
        .assertElementDisabled(
          applyButtonSelector,
          'Apply button is disabled until both roles and nodes chosen'
        )
        .then(() => clusterPage.checkNodes(nodesAmount))
        .clickByCssSelector(applyButtonSelector)
        .waitForElementDeletion(applyButtonSelector, 2000)
        .assertElementAppears('.nodes-group', 2000, 'Cluster node list loaded')
        .assertElementsExist(
          '.node-list .node',
          nodesAmount,
          nodesAmount + ' nodes were successfully added to the cluster'
        )
        .assertElementExists('.nodes-group', 'One node group is present');
    },
    'Edit cluster node roles'() {
      return this.remote
        .then(() => common.addNodesToCluster(1, ['Cinder']))
        .assertElementsExist('.nodes-group', 2, 'Two node groups are present')
        // select all nodes
        .clickByCssSelector('.select-all label')
        .clickByCssSelector('.btn-edit-roles')
        .assertElementDisappears('.btn-edit-roles', 2000, 'Cluster nodes screen unmounted')
        .assertElementNotExists(
          '.node-box [type=checkbox]:not(:disabled)',
          'Node selection is locked on Edit Roles screen'
        )
        .assertElementNotExists(
          '[name=select-all]:not(:disabled)',
          'Select All checkboxes are locked on Edit Roles screen'
        )
        .assertElementExists(
          '.role-block.controller i.glyphicon-indeterminated-role',
          'Controller role has indeterminate state'
        )
        // uncheck Cinder role
        .then(() => clusterPage.checkNodeRoles(['Cinder', 'Cinder']))
        .clickByCssSelector(applyButtonSelector)
        .assertElementDisappears('.btn-apply', 3000, 'Role editing screen unmounted')
        .assertElementsExist(
          '.node-list .node',
          nodesAmount,
          'One node was removed from cluster after editing roles'
        );
    },
    'Remove Cluster'() {
      return this.remote
        .then(() => common.doesClusterExist(clusterName))
        .then((result) => assert.ok(result, 'Cluster exists'))
        .then(() => common.removeCluster(clusterName))
        .then(() => common.doesClusterExist(clusterName))
        .then((result) => assert.notOk(result, 'Cluster removed successfully'));
    }
  };
});