# *********************************************************************************
# URBANopt™, Copyright (c) 2019-2022, Alliance for Sustainable Energy, LLC, and other
# contributors. All rights reserved.

# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:

# Redistributions of source code must retain the above copyright notice, this list
# of conditions and the following disclaimer.

# Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.

# Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.

# Redistribution of this software, without modification, must refer to the software
# by the same designation. Redistribution of a modified version of this software
# (i) may not refer to the modified version by the same designation, or by any
# confusingly similar designation, and (ii) must refer to the underlying software
# originally provided by Alliance as “URBANopt”. Except to comply with the foregoing,
# the term “URBANopt”, or any confusingly similar designation may not be used to
# refer to any modified version of this software or any modified version of the
# underlying software originally provided by Alliance without the prior written
# consent of Alliance.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
# *********************************************************************************

require 'json'
require 'json-schema'

module URBANopt
  module Reporting
    module DefaultReports
      ##
      # Onsite wind system attributes
      ##
      class Wind
        ##
        # _Float_ - power capacity in kilowatts
        #
        attr_accessor :size_kw, :average_yearly_energy_produced_kwh, :size_class

        ##
        # Initialize Wind attributes from a hash. Wind attributes currently are limited to power capacity.
        ##
        # [parameters:]
        #
        # * +hash+ - _Hash_ - A hash containting a +:size_kw+ key/value pair which represents the nameplate capacity in kilowatts (kW)
        #
        def initialize(hash = {})
          hash.delete_if { |k, v| v.nil? }

          @size_kw = hash[:size_kw]
          @avg_energy_kwh = hash[:average_yearly_energy_produced_kwh]
          @size_class = hash[:size_class]

          # initialize class variables @@validator and @@schema
          @@validator ||= Validator.new
          @@schema ||= @@validator.schema

          # initialize @@logger
          @@logger ||= URBANopt::Reporting::DefaultReports.logger
        end

        ##
        # Convert to a Hash equivalent for JSON serialization
        ##
        def to_hash
          result = {}

          result[:size_kw] = @size_kw if @size_kw
          result[:average_yearly_energy_produced_kwh] = @avg_energy_kwh if @avg_energy_kwh
          result[:size_class] = @size_class if @size_class

          return result
        end

        ##
        # Merge Wind systems
        ##
        def self.add_wind(existing_wind, new_wind)
          if existing_wind.size_kw.nil? && new_wind.size_kw.nil?
            existing_wind.size_kw = nil
          else
            existing_wind.size_kw = (existing_wind.size_kw || 0) + (new_wind.size_kw || 0)
          end
          if existing_wind.average_yearly_energy_produced_kwh.nil? && new_wind.average_yearly_energy_produced_kwh.nil?
            existing_wind.average_yearly_energy_produced_kwh = nil
          else
            existing_wind.average_yearly_energy_produced_kwh = (existing_wind.average_yearly_energy_produced_kwh || 0) + (new_wind.average_yearly_energy_produced_kwh || 0)
          end

          return existing_wind
        end
      end
    end
  end
end