# encoding: UTF-8

# (c) Copyright 2014 Hewlett-Packard Development Company, L.P.
#
#    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.

# It requires Core objects to be defined + default ForjProcess functions.

# rubocop: disable Style/ClassAndModuleChildren

# Subnetwork Management
class CloudProcess
  def forj_get_or_create_subnetwork(sCloudObj, hParams)
    subnets = query_subnet(sCloudObj, hParams)
    unless subnets.length == 0
      register(subnets[0])
      return subnets[0]
    end

    # Create the subnet
    subnet = create_subnet(sCloudObj, hParams)

    return nil if subnet.nil?
    register(subnet)
    subnet
  end
end

# Define framework object on BaseDefinition
# Identify subnetwork as part of network.
class Lorj::BaseDefinition
  define_obj(:subnetwork,
             :create_e => :forj_get_or_create_subnetwork
            )

  obj_needs :CloudObject,  :network_connection
  obj_needs :CloudObject,  :network
  obj_needs :data,         :subnetwork_name

  def_attribute :network_id
end

# Subnetwork Management - internal functions
class CloudProcess
  def create_subnet(sCloudObj, hParams)
    name = hParams[:subnetwork_name]
    PrcLib.state("Creating subnet '%s'", name)
    begin
      subnet = controller_create(sCloudObj, hParams)
      PrcLib.info("Subnet '%s' created.", subnet[:name])
   rescue => e
     PrcLib.fatal(1, "Unable to create '%s' subnet.", name, e)
    end
    subnet
  end

  def delete_subnet
    net_conn_obj = get_cloudObj(:network_connection)
    sub_net_obj = get_cloudObj(:subnetwork)

    PrcLib.state("Deleting subnet '%s'", sub_net_obj.name)
    begin
      provider_delete_subnetwork(net_conn_obj, sub_net_obj)
      net_conn_obj.subnets.get(sub_net_obj.id).destroy
   rescue => e
     PrcLib.error("%s\n%s", e.message, e.backtrace.join("\n"))
    end
  end

  def query_subnet(sCloudObj, hParams)
    PrcLib.state('Searching for sub-network attached to '\
                 "network '%s'", hParams[:network, :name])
    #######################
    begin
      query = { :network_id => hParams[:network, :id] }
      info = {
        :notfound => "No %s found from '%s' network",
        :checkmatch => "Found 1 %s. checking exact match for network '%s'.",
        :nomatch => "No %s for network '%s' match"
      }
      query_single(sCloudObj, query, hParams[:network, :name], info)
    rescue => e
      PrcLib.error("%s\n%s", e.message, e.backtrace.join("\n"))
    end
  end
end