/*
 * 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.
 **/

define([
  'intern/dojo/node!lodash',
  'intern/chai!assert',
  'tests/functional/helpers',
  'intern/dojo/node!leadfoot/helpers/pollUntil',
  'tests/functional/pages/login',
  'tests/functional/pages/welcome',
  'tests/functional/pages/cluster',
  'tests/functional/pages/clusters'
],
function(_, assert, Helpers, pollUntil, LoginPage, WelcomePage, ClusterPage, ClustersPage) {
  'use strict';
  function CommonMethods(remote) {
    this.remote = remote;
    this.loginPage = new LoginPage(remote);
    this.welcomePage = new WelcomePage(remote);
    this.clusterPage = new ClusterPage(remote);
    this.clustersPage = new ClustersPage(remote);
  }

  CommonMethods.prototype = {
    constructor: CommonMethods,
    pickRandomName: function(prefix) {
      return _.uniqueId((prefix || 'Item') + ' #');
    },
    getOut: function() {
      var self = this;
      return this.remote
        .then(function() {
          return self.welcomePage.skip();
        })
        .then(function() {
          return self.loginPage.logout();
        });
    },
    getIn: function() {
      var self = this;
      return this.remote
        .then(function() {
          return self.loginPage.logout();
        })
        .then(function() {
          return self.loginPage.login();
        })
        .waitForElementDeletion('.login-btn', 2000)
        .then(function() {
          return self.welcomePage.skip();
        })
        .waitForCssSelector('.navbar-nav', 1000)
        .clickByCssSelector('.global-alert.alert-warning .close');
    },
    createCluster: function(clusterName, stepsMethods) {
      var self = this;
      return this.remote
        .clickLinkByText('Environments')
        .waitForCssSelector('.clusters-page', 2000)
        .then(function() {
          return self.clustersPage.createCluster(clusterName, stepsMethods);
        });
    },
    removeCluster: function(clusterName, suppressErrors) {
      var self = this;
      return this.remote
        .clickLinkByText('Environments')
        .waitForCssSelector('.clusters-page', 2000)
        .then(function() {
          return self.clustersPage.goToEnvironment(clusterName);
        })
        .then(function() {
          return self.clusterPage.removeCluster(clusterName);
        })
        .catch(function(e) {
          if (!suppressErrors) {
            throw new Error('Unable to delete cluster ' + clusterName + ': ' + e);
          }
        });
    },
    doesClusterExist: function(clusterName) {
      var self = this;
      return this.remote
        .clickLinkByText('Environments')
        .waitForCssSelector('.clusters-page', 2000)
        .findAllByCssSelector(self.clustersPage.clusterSelector)
          .then(function(divs) {
            return divs.reduce(function(matchFound, element) {
              return element.getVisibleText().then(
                function(name) {
                  return (name === clusterName) || matchFound;
                }
              );
            }, false);
          });
    },
    addNodesToCluster: function(nodesAmount, nodesRoles, nodeStatus, nodeNameFilter) {
      var self = this;
      return this.remote
        .then(function() {
          return self.clusterPage.goToTab('Nodes');
        })
        .waitForCssSelector('button.btn-add-nodes', 3000)
        .clickByCssSelector('button.btn-add-nodes')
        .waitForCssSelector('.node', 3000)
        .then(pollUntil(function() {
          return window.$('.node-list-management-buttons').is(':visible') &&
            window.$('.role-panel').is(':visible') || null;
        }, 3000))
        .then(function() {
          if (nodeNameFilter) return self.clusterPage.searchForNode(nodeNameFilter);
        })
        .then(function() {
          return self.clusterPage.checkNodeRoles(nodesRoles);
        })
        .then(function() {
          return self.clusterPage.checkNodes(nodesAmount, nodeStatus);
        })
        .clickByCssSelector('.btn-apply')
        .waitForElementDeletion('.btn-apply', 3000);
    }
  };
  return CommonMethods;
});