# Custom changes for the QuickServiceRestaurant prototype.
# These are changes that are inconsistent with other prototype
# building types.
module QuickServiceRestaurant
  def model_custom_hvac_tweaks(building_type, climate_zone, prototype_input, model)
    OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific adjustments')

    # add extra equipment for kitchen
    add_extra_equip_kitchen(model)
    # add extra infiltration for dining room door and attic
    add_door_infiltration(climate_zone, model)
    # add zone_mixing between kitchen and dining
    add_zone_mixing(model)
    # Update Sizing Zone
    update_sizing_zone(model)
    # adjust the cooling setpoint
    adjust_clg_setpoint(climate_zone, model)
    # reset the design OA of kitchen
    reset_kitchen_oa(model)

    OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished building type specific adjustments')

    return true
  end

  def add_door_infiltration(climate_zone, model)
    # add extra infiltration for dining room door and attic (there is no attic in 'DOE Ref Pre-1980')
    unless template == 'DOE Ref 1980-2004' || template == 'DOE Ref Pre-1980'
      dining_space = model.getSpaceByName('Dining').get
      attic_space = model.getSpaceByName('Attic').get
      infiltration_diningdoor = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
      infiltration_attic = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
      infiltration_diningdoor.setName('Dining door Infiltration')
      infiltration_per_zone_diningdoor = 0
      infiltration_per_zone_attic = 0.0729
      if template == '90.1-2004'
        infiltration_per_zone_diningdoor = 0.902834611
        infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantFastFood DOOR_INFIL_SCH'))
      elsif template == '90.1-2007'
        case climate_zone
          when 'ASHRAE 169-2006-1A',
               'ASHRAE 169-2006-2A',
               'ASHRAE 169-2006-2B',
               'ASHRAE 169-2006-3A',
               'ASHRAE 169-2006-3B',
               'ASHRAE 169-2006-3C',
               'ASHRAE 169-2006-4A',
               'ASHRAE 169-2006-4B',
               'ASHRAE 169-2006-4C',
               'ASHRAE 169-2013-1A',
               'ASHRAE 169-2013-2A',
               'ASHRAE 169-2013-2B',
               'ASHRAE 169-2013-3A',
               'ASHRAE 169-2013-3B',
               'ASHRAE 169-2013-3C',
               'ASHRAE 169-2013-4A',
               'ASHRAE 169-2013-4B',
               'ASHRAE 169-2013-4C'
            infiltration_per_zone_diningdoor = 0.902834611
            infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantFastFood DOOR_INFIL_SCH'))
          else
            infiltration_per_zone_diningdoor = 0.583798439
            infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantFastFood VESTIBULE_DOOR_INFIL_SCH'))
        end
      elsif template == '90.1-2010' || template == '90.1-2013'
        case climate_zone
          when 'ASHRAE 169-2006-1A',
               'ASHRAE 169-2006-2A',
               'ASHRAE 169-2006-2B',
               'ASHRAE 169-2006-3A',
               'ASHRAE 169-2006-3B',
               'ASHRAE 169-2006-3C',
               'ASHRAE 169-2013-1A',
               'ASHRAE 169-2013-2A',
               'ASHRAE 169-2013-2B',
               'ASHRAE 169-2013-3A',
               'ASHRAE 169-2013-3B',
               'ASHRAE 169-2013-3C',
            infiltration_per_zone_diningdoor = 0.902834611
            infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantFastFood DOOR_INFIL_SCH'))
          else
            infiltration_per_zone_diningdoor = 0.583798439
            infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantFastFood VESTIBULE_DOOR_INFIL_SCH'))
        end
      end
      infiltration_diningdoor.setDesignFlowRate(infiltration_per_zone_diningdoor)
      infiltration_diningdoor.setSpace(dining_space)
      infiltration_attic.setDesignFlowRate(infiltration_per_zone_attic)
      infiltration_attic.setSchedule(model_add_schedule(model, 'Always On'))
      infiltration_attic.setSpace(attic_space)
    end
  end

  # add extra equipment for kitchen
  def add_extra_equip_kitchen(model)
    kitchen_space = model.getSpaceByName('Kitchen')
    kitchen_space = kitchen_space.get
    kitchen_space_type = kitchen_space.spaceType.get
    elec_equip_def1 = OpenStudio::Model::ElectricEquipmentDefinition.new(model)
    elec_equip_def2 = OpenStudio::Model::ElectricEquipmentDefinition.new(model)
    elec_equip_def1.setName('Kitchen Electric Equipment Definition1')
    elec_equip_def2.setName('Kitchen Electric Equipment Definition2')
    case template
      when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
        elec_equip_def1.setFractionLatent(0)
        elec_equip_def1.setFractionRadiant(0.25)
        elec_equip_def1.setFractionLost(0)
        elec_equip_def2.setFractionLatent(0)
        elec_equip_def2.setFractionRadiant(0.25)
        elec_equip_def2.setFractionLost(0)
        if template == '90.1-2013'
          elec_equip_def1.setDesignLevel(457.5)
          elec_equip_def2.setDesignLevel(570)
        else
          elec_equip_def1.setDesignLevel(515.917)
          elec_equip_def2.setDesignLevel(851.67)
        end
        # Create the electric equipment instance and hook it up to the space type
        elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1)
        elec_equip2 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def2)
        elec_equip1.setName('Kitchen_Reach-in-Freezer')
        elec_equip2.setName('Kitchen_Reach-in-Refrigerator')
        elec_equip1.setSpaceType(kitchen_space_type)
        elec_equip2.setSpaceType(kitchen_space_type)
        elec_equip1.setSchedule(model_add_schedule(model, 'RestaurantFastFood ALWAYS_ON'))
        elec_equip2.setSchedule(model_add_schedule(model, 'RestaurantFastFood ALWAYS_ON'))
      when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
        elec_equip_def1.setDesignLevel(577)
        elec_equip_def1.setFractionLatent(0)
        elec_equip_def1.setFractionRadiant(0)
        elec_equip_def1.setFractionLost(1)
        # Create the electric equipment instance and hook it up to the space type
        elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1)
        elec_equip1.setName('Kitchen_ExhFan_Equip')
        elec_equip1.setSpaceType(kitchen_space_type)
        elec_equip1.setSchedule(model_add_schedule(model, 'RestaurantFastFood Kitchen_Exhaust_SCH'))
    end
  end

  def update_sizing_zone(model)
    case template
      when '90.1-2007', '90.1-2010', '90.1-2013'
        zone_sizing = model.getSpaceByName('Dining').get.thermalZone.get.sizingZone
        zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
        zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.003581176)
        zone_sizing = model.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
        zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
        zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
      when '90.1-2004'
        zone_sizing = model.getSpaceByName('Dining').get.thermalZone.get.sizingZone
        zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
        zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.007111554)
        zone_sizing = model.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
        zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
        zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
    end
  end

  def adjust_clg_setpoint(climate_zone, model)
    ['Dining', 'Kitchen'].each do |space_name|
      space_type_name = model.getSpaceByName(space_name).get.spaceType.get.name.get
      thermostat_name = space_type_name + ' Thermostat'
      thermostat = model.getThermostatSetpointDualSetpointByName(thermostat_name).get
      case template
        when '90.1-2004', '90.1-2007', '90.1-2010'
          case climate_zone
          when 'ASHRAE 169-2006-1B',
               'ASHRAE 169-2006-2B',
               'ASHRAE 169-2006-3B',
               'ASHRAE 169-2013-1B',
               'ASHRAE 169-2013-2B',
               'ASHRAE 169-2013-3B'
            case space_name
              when 'Dining'
                thermostat.setCoolingSetpointTemperatureSchedule(model_add_schedule(model, 'RestaurantFastFood CLGSETP_SCH_NO_OPTIMUM'))
              when 'Kitchen'
                thermostat.setCoolingSetpointTemperatureSchedule(model_add_schedule(model, 'RestaurantFastFood CLGSETP_KITCHEN_SCH_NO_OPTIMUM'))
            end
          end
      end
    end
  end

  # In order to provide sufficient OSA to replace exhaust flow through kitchen hoods (3,300 cfm),
  # modeled OSA to kitchen is different from OSA determined based on ASHRAE  62.1.
  # It takes into account the available OSA in dining as transfer air.
  def reset_kitchen_oa(model)
    space_kitchen = model.getSpaceByName('Kitchen').get
    ventilation = space_kitchen.designSpecificationOutdoorAir.get
    ventilation.setOutdoorAirFlowperPerson(0)
    ventilation.setOutdoorAirFlowperFloorArea(0)
    case template
      when '90.1-2007', '90.1-2010', '90.1-2013'
        ventilation.setOutdoorAirFlowRate(1.14135966)
      when '90.1-2004', 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
        ventilation.setOutdoorAirFlowRate(0.7312)
    end
  end

  def model_update_exhaust_fan_efficiency(model)
    case template
      when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
        model.getFanZoneExhausts.sort.each do |exhaust_fan|
          fan_name = exhaust_fan.name.to_s
          if fan_name.include? 'Dining'
            exhaust_fan.setFanEfficiency(1)
            exhaust_fan.setPressureRise(0)
          end
        end
      when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
        model.getFanZoneExhausts.sort.each do |exhaust_fan|
          exhaust_fan.setFanEfficiency(1)
          exhaust_fan.setPressureRise(0.000001)
        end
    end
  end

  def add_zone_mixing(model)
    # add zone_mixing between kitchen and dining
    space_kitchen = model.getSpaceByName('Kitchen').get
    zone_kitchen = space_kitchen.thermalZone.get
    space_dining = model.getSpaceByName('Dining').get
    zone_dining = space_dining.thermalZone.get
    zone_mixing_kitchen = OpenStudio::Model::ZoneMixing.new(zone_kitchen)
    zone_mixing_kitchen.setSchedule(model_add_schedule(model, 'RestaurantFastFood Hours_of_operation'))
    case template
      when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
        zone_mixing_kitchen.setDesignFlowRate(0.834532374)
      when '90.1-2007', '90.1-2010', '90.1-2013'
        zone_mixing_kitchen.setDesignFlowRate(0.416067345)
      when '90.1-2004'
        zone_mixing_kitchen.setDesignFlowRate(0.826232888)
    end
    zone_mixing_kitchen.setSourceZone(zone_dining)
    zone_mixing_kitchen.setDeltaTemperature(0)
  end

  def model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input)

    return true
  end

  def model_custom_geometry_tweaks(building_type, climate_zone, prototype_input, model)

    return true
  end
end