# *******************************************************************************
# Honeybee OpenStudio Gem, Copyright (c) 2020, Alliance for Sustainable
# Energy, LLC, Ladybug Tools LLC and other contributors. All rights reserved.
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require 'honeybee/construction/shade'
require 'from_openstudio/model_object'

module Honeybee
  class ShadeConstruction < ModelObject

    def self.from_construction(construction)
        # create an empty hash
        hash = {}
        hash[:type] = 'ShadeConstruction'
        # set hash values from OpenStudio Object
        hash[:identifier] = clean_name(construction.nameString)
        # get outermost construction layers
        layer = construction.layers[0]
        if layer.to_StandardGlazing.is_initialized
          layer = layer.to_StandardGlazing.get
          hash[:is_specular] = true
          # set reflectance properties from outermost layer
          unless layer.frontSideSolarReflectanceatNormalIncidence.empty?
            hash[:solar_reflectance] = layer.frontSideSolarReflectanceatNormalIncidence.get
          end
          unless layer.frontSideVisibleReflectanceatNormalIncidence.empty?
            hash[:visible_reflectance] = layer.frontSideVisibleReflectanceatNormalIncidence.get
          end
        elsif layer.to_StandardOpaqueMaterial.is_initialized
          layer = layer.to_StandardOpaqueMaterial.get
          hash[:is_specular] = false
          # set reflectance properties from outermost layer
          unless layer.solarReflectance.empty?
            hash[:solar_reflectance] = layer.solarReflectance.get
          end
          unless layer.visibleReflectance.empty?
            hash[:visible_reflectance] = layer.visibleReflectance.get
          end
        elsif layer.to_MasslessOpaqueMaterial.is_initialized
          layer = layer.to_MasslessOpaqueMaterial.get
          hash[:is_specular] = false
          # set reflectance properties from outermost layer
          unless layer.solarAbsorptance.empty?
            hash[:solar_reflectance] = 1 - layer.solarAbsorptance.get
          end
          unless layer.visibleAbsorptance.empty?
            hash[:visible_reflectance] = 1 - layer.visibleAbsorptance.get
          end
        end

        hash
    end

  end # ShadeConstruction
end # Honeybee