# This file is part of CPEE.
#
# CPEE is free software: you can redistribute it and/or modify it under the terms
# of the GNU General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
#
# CPEE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# CPEE (file COPYING in the main directory).  If not, see
# <http://www.gnu.org/licenses/>.

module CPEE

  module Message
    WHO = 'cpee'
    TYPE = 'instance'

    def self::send(type, event, cpee, instance, instance_uuid, instance_name, content={}, backend)
      topic = ::File::dirname(event)
      name = ::File::basename(event)
      payload = {
        WHO => cpee,
        TYPE + '-url' => File.join(cpee,instance.to_s),
        TYPE => instance,
        'topic' => topic,
        'type' => type,
        'name' => name,
        'timestamp' =>  Time.now.xmlschema(3),
        'content' => content
      }
      payload[TYPE + '-uuid'] = instance_uuid if instance_uuid
      payload[TYPE + '-name'] = instance_name if instance_name
      backend.publish(type.to_s + ':' + event,
        instance.to_s + ' ' +
        JSON::generate(payload)
      )
    end

    def self::send_url(type, event, cpee, content={}, backend)
      topic = ::File::dirname(event)
      name = ::File::basename(event)
      client = Riddl::Client.new(backend)
      payload = {
        WHO => cpee,
        'topic' => topic,
        'type' => type,
        'name' => name,
        'timestamp' =>  Time.now.xmlschema(3),
        'content' => content
      }
      client = Riddl::Client.new(backend)
      client.post [
        Riddl::Parameter::Simple::new('type',type),
        Riddl::Parameter::Simple::new('topic',topic),
        Riddl::Parameter::Simple::new('event',name),
        Riddl::Parameter::Complex::new('notification','application/json',JSON::generate(payload))
      ]
    end
  end

end