# open the class to add methods to return sizing values
class OpenStudio::Model::ZoneHVACTerminalUnitVariableRefrigerantFlow

  # Sets all auto-sizeable fields to autosize
  def autosize
    self.autosizeSupplyAirFlowRateDuringCoolingOperation
    self.autosizeSupplyAirFlowRateWhenNoCoolingisNeeded
    self.autosizeSupplyAirFlowRateDuringHeatingOperation
    self.autosizeSupplyAirFlowRateWhenNoHeatingisNeeded
    self.autosizeOutdoorAirFlowRateDuringCoolingOperation
    self.autosizeOutdoorAirFlowRateDuringHeatingOperation
    self.autosizeOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded
  end

  # Takes the values calculated by the EnergyPlus sizing routines
  # and puts them into this object model in place of the autosized fields.
  # Must have previously completed a run with sql output for this to work.
  def applySizingValues
    
    # Supply Air Flow Rate During Cooling Operation
    supply_air_flow_cooling = self.autosizedSupplyAirFlowRateDuringCoolingOperation
    if supply_air_flow_cooling.is_initialized
      self.setSupplyAirFlowRateDuringCoolingOperation(supply_air_flow_cooling.get)
    end
    
    # Supply Air Flow Rate During Heating Operation
    supply_air_flow_heating = self.autosizedSupplyAirFlowRateDuringHeatingOperation
    if supply_air_flow_heating.is_initialized
      self.setSupplyAirFlowRateDuringHeatingOperation(supply_air_flow_heating.get)
    end
    
    # Supply Air Flow Rate When No Cooling is Needed
    supply_air_flow_no_cool = self.autosizedSupplyAirFlowRateWhenNoCoolingisNeeded
    if supply_air_flow_no_cool.is_initialized
      self.setSupplyAirFlowRateWhenNoCoolingisNeeded(supply_air_flow_no_cool.get)
    end
    
    # Supply Air Flow Rate When No Heating is Needed
    supply_air_flow_no_heat  = self.autosizedSupplyAirFlowRateWhenNoHeatingisNeeded
    if supply_air_flow_no_heat.is_initialized
      self.setSupplyAirFlowRateWhenNoHeatingisNeeded(supply_air_flow_no_heat.get)
    end
    
    # Outdoor Air Flow Rate During Cooling Operation
    oa_air_flow_cooling = self.autosizedOutdoorAirFlowRateDuringCoolingOperation
    if oa_air_flow_cooling.is_initialized
      self.setOutdoorAirFlowRateDuringCoolingOperation(oa_air_flow_cooling.get)
    end
    
    # Outdoor Air Flow Rate During Heating Operation
    oa_air_flow_heating = self.autosizedOutdoorAirFlowRateDuringHeatingOperation
    if oa_air_flow_heating.is_initialized
      self.setOutdoorAirFlowRateDuringHeatingOperation(oa_air_flow_heating.get)
    end
    
    # Outdoor Air Flow Rate When No Cooling or Heating is Needed
    oa_air_flow_noload = self.autosizedOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded
    if oa_air_flow_noload.is_initialized
      self.setOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded(oa_air_flow_noload.get)
    end
        
  end

    # Supply Air Flow Rate During Cooling Operation
  def autosizedSupplyAirFlowRateDuringCoolingOperation
    return self.model.getAutosizedValue(self, 'Design Size Cooling Supply Air Flow Rate', 'm3/s')
  end
  
  # Supply Air Flow Rate During Heating Operation
  def autosizedSupplyAirFlowRateDuringHeatingOperation
    return self.model.getAutosizedValue(self, 'Design Size Heating Supply Air Flow Rate', 'm3/s')
  end
  
  # Supply Air Flow Rate During No Cooling Operation
  def autosizedSupplyAirFlowRateWhenNoCoolingisNeeded
    return self.model.getAutosizedValue(self, 'Design Size No Cooling Supply Air Flow Rate', 'm3/s')
  end
  
  # Supply Air Flow Rate During No Heating Operation
  def autosizedSupplyAirFlowRateWhenNoHeatingisNeeded
    return self.model.getAutosizedValue(self, 'Design Size No Heating Supply Air Flow Rate', 'm3/s')
  end
  
  
  # @todo verify on a fully autosize model that these three are actually named this way in the SQL file
  
  # Outdoor Air Flow Rate During Cooling Operation
  def autosizedOutdoorAirFlowRateDuringCoolingOperation
    return self.model.getAutosizedValue(self, 'Design Size Outdoor Air Flow Rate During Cooling Operation', 'm3/s')
  end

  # Outdoor Air Flow Rate During Heating Operation
  def autosizedOutdoorAirFlowRateDuringHeatingOperation
    return self.model.getAutosizedValue(self, 'Design Size Outdoor Air Flow Rate During Heating Operation', 'm3/s')
  end
  
  # Outdoor Air Flow Rate When No Cooling or Heating is Needed
  def autosizedOutdoorAirFlowRateWhenNoCoolingorHeatingisNeeded
    return self.model.getAutosizedValue(self, 'Design Size Outdoor Air Flow Rate When No Cooling or Heating is Needed', 'm3/s')
  end
  
  
end