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# Honeybee OpenStudio Gem, Copyright (c) 2020, Alliance for Sustainable
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require 'honeybee/load/gas_equipment'

require 'to_openstudio/model_object'

module Honeybee
  class GasEquipmentAbridged

    def find_existing_openstudio_object(openstudio_model)
      model_gas_equipment = openstudio_model.getGasEquipmentByName(@hash[:identifier])
      return model_gas_equipment.get unless model_gas_equipment.empty?
      nil
    end

    def to_openstudio(openstudio_model)

      # create gas equipment and set identifier
      os_gas_equip_def = OpenStudio::Model::GasEquipmentDefinition.new(openstudio_model)
      os_gas_equip = OpenStudio::Model::GasEquipment.new(os_gas_equip_def)
      os_gas_equip_def.setName(@hash[:identifier])
      unless @hash[:display_name].nil?
        os_gas_equip_def.setDisplayName(@hash[:display_name])
      end
      os_gas_equip.setName(@hash[:identifier])

      # assign watts per space floor area
      os_gas_equip_def.setWattsperSpaceFloorArea(@hash[:watts_per_area])

      # assign schedule
      gas_equipment_schedule = openstudio_model.getScheduleByName(@hash[:schedule])
      unless gas_equipment_schedule.empty?
        gas_equipment_schedule_object = gas_equipment_schedule.get
        os_gas_equip.setSchedule(gas_equipment_schedule_object)
      end

      # ensure that it's always reported under electric equipment
      os_gas_equip.setEndUseSubcategory('Gas Equipment')

      # assign radiant fraction if it exists
      if @hash[:radiant_fraction]
        os_gas_equip_def.setFractionRadiant(@hash[:radiant_fraction])
      else
        os_gas_equip_def.setFractionRadiant(defaults[:radiant_fraction][:default])
      end

      # assign latent fraction if it exists
      if @hash[:latent_fraction]
        os_gas_equip_def.setFractionLatent(@hash[:latent_fraction])
      else
        os_gas_equip_def.setFractionLatent(defaults[:latent_fraction][:default])
      end

      # assign lost fraction if it exists
      if @hash[:lost_fraction]
        os_gas_equip_def.setFractionLost(@hash[:lost_fraction])
      else
        os_gas_equip_def.setFractionLost(defaults[:lost_fraction][:default])
      end

      os_gas_equip
    end

  end #GasEquipmentAbridged
end #Honeybee