/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 DS from 'ember-data';
import Converter from 'yarn-ui/utils/converter';

export default DS.Model.extend({
  name: DS.attr("string"),
  queuePath: DS.attr("string"),
  children: DS.attr("array"),
  parent: DS.attr("string"),
  capacity: DS.attr("number"),
  partitions: DS.attr("array"),
  partitionMap: DS.attr("object"),
  resourceUsagesByPartitionMap: DS.attr("object"),
  maxCapacity: DS.attr("number"),
  usedCapacity: DS.attr("number"),
  absCapacity: DS.attr("number"),
  absMaxCapacity: DS.attr("number"),
  absUsedCapacity: DS.attr("number"),
  weight: DS.attr("number"),
  normalizedWeight: DS.attr("number"),
  creationMethod: DS.attr("string"),
  orderingPolicyInfo: DS.attr("string"),
  state: DS.attr("string"),
  userLimit: DS.attr("number"),
  userLimitFactor: DS.attr("number"),
  preemptionDisabled: DS.attr("string"),
  intraQueuePreemptionDisabled: DS.attr("string"),
  defaultPriority: DS.attr("number"),
  numPendingApplications: DS.attr("number"),
  numActiveApplications: DS.attr("number"),
  numContainers: DS.attr("number"),
  maxApplications: DS.attr("number"),
  maxApplicationsPerUser: DS.attr("number"),
  nodeLabels: DS.attr("string"),
  defaultNodeLabelExpression: DS.attr("string"),
  users: DS.hasMany("YarnUser"),
  type: DS.attr("string"),
  resources: DS.attr("object"),

  isLeafQueue: function() {
    var len = this.get("children.length");
    if (!len) {
      return true;
    }
    return len <= 0;
  }.property("children"),

  isWeightMode: function() {
   return this.get("weight") !== -1;
  }.property("children"),

  isFlexibleDynamicQueue: function() {
    return this.get("creationMethod") === "dynamicFlexible";
  }.property("children"),

  capacitiesBarChartData: function() {
    var floatToFixed = Converter.floatToFixed;
    return [
      {
        label: "Absolute Used",
        style: "primary",
        value:
          this.get("name") === "root"
            ? floatToFixed(this.get("usedCapacity"))
            : floatToFixed(this.get("absUsedCapacity"))
      },
      {
        label: "Absolute Capacity",
        style: "primary",
        value:
          this.get("name") === "root"
            ? 100
            : floatToFixed(this.get("absCapacity"))
      },
      {
        label: "Absolute Max Capacity",
        style: "secondary",
        value:
          this.get("name") === "root"
            ? 100
            : floatToFixed(this.get("absMaxCapacity"))
      }
    ];
  }.property("absCapacity", "usedCapacity", "absMaxCapacity"),
  userUsagesDonutChartData: function() {
    var data = [];
    if (this.get("users")) {
      this.get("users").forEach(function(o) {
        data.push({
          label: o.get("name"),
          value: o.get("usedMemoryMB")
        });
      });
    }

    return data;
  }.property("users"),

  hasUserUsages: function() {
    return this.get("userUsagesDonutChartData").length > 0;
  }.property("userUsagesDonutChartData"),

  numOfApplicationsDonutChartData: function() {
    return [
      {
        label: "Pending Apps",
        value: this.get("numPendingApplications") || 0 // TODO, fix the REST API so root will return #applications as well.
      },
      {
        label: "Active Apps",
        value: this.get("numActiveApplications") || 0
      }
    ];
  }.property("numPendingApplications", "numActiveApplications")
});