/*
    * Copyright (C) 2014 Atlassian
    *
    * 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.
   */
  package com.atlassian.jira.rest.client.api.domain;
  
  import com.google.common.base.Objects;
  import com.google.common.collect.Maps;
  
  import javax.annotation.Nullable;
  import java.util.Map;
  
  public class Permissions {
      /**
       * Permission key for ability to log work done against an issue. Only useful if Time Tracking is turned on.
       */
      public static final String WORK_ISSUE = "WORK_ISSUE";
      private final Map<String, Permission> permissionMap;
  
      public Permissions(final Iterable<Permission> permissions) {
          this.permissionMap = Maps.uniqueIndex(permissions, Permission.TO_KEY);
      }
  
      public Map<String, Permission> getPermissionMap() {
          return permissionMap;
      }
  
      public boolean havePermission(final String permissionKey) {
          final Permission permission = getPermission(permissionKey);
          return (permission != null && permission.havePermission());
      }
  
      @Nullable
      public Permission getPermission(final String permissionKey) {
          return permissionMap.get(permissionKey);
      }
  
      @Override
      public String toString() {
          return Objects.toStringHelper(this)
                  .add("permissionMap", permissionMap)
                  .toString();
      }
  
      @Override
      public boolean equals(Object o) {
          if (o instanceof Permissions) {
              Permissions that = (Permissions) o;
              return Objects.equal(permissionMap, that.permissionMap);
          }
          return false;
      }
  
      @Override
      public int hashCode() {
          return permissionMap.hashCode();
      }
  }