# module Locomotive
#   module Import
#     class AssetCollections < Base
#
#       def process
#         asset_collections = database['site']['asset_collections']
#
#         return if asset_collections.nil?
#
#         asset_collections.each do |name, attributes|
#           self.log "slug = #{attributes['slug']}"
#
#           asset_collection = site.asset_collections.where(:slug => attributes['slug']).first
#
#           asset_collection ||= self.build_asset_collection(attributes.merge(:name => name))
#
#           self.add_or_update_fields(asset_collection, attributes['fields'])
#
#           if options[:samples] && attributes['assets']
#             self.insert_samples(asset_collection, attributes['assets'])
#           end
#
#           asset_collection.save!
#
#           site.reload
#         end
#       end
#
#       protected
#
#       def build_asset_collection(data)
#         attributes = { :internal => false }.merge(data)
#
#         attributes.delete_if { |name, value| %w{fields assets}.include?(name) }
#
#         site.asset_collections.build(attributes)
#       end
#
#       def add_or_update_fields(asset_collection, fields)
#         return if fields.blank?
#
#         fields.each_with_index do |data, position|
#           name, data = data.keys.first, data.values.first
#
#           attributes = { :_alias => name, :label => name.humanize, :kind => 'string', :position => position }.merge(data).symbolize_keys
#
#           field = asset_collection.asset_custom_fields.detect { |f| f._alias == attributes[:_alias] }
#
#           field ||= asset_collection.asset_custom_fields.build(attributes)
#
#           field.send(:set_unique_name!) if field.new_record?
#
#           field.attributes = attributes
#         end
#       end
#
#       def insert_samples(asset_collection, assets)
#         assets.each_with_index do |data, position|
#           value, attributes = data.is_a?(Array) ? [data.first, data.last] : [data.keys.first, data.values.first]
#
#           url = attributes.delete('url')
#
#           # build with default attributes
#           asset = asset_collection.assets.build(:name => value, :position => position, :source => self.open_sample_asset(url))
#
#           attributes.each do |name, value|
#             field = asset_collection.asset_custom_fields.detect { |f| f._alias == name }
#
#             value = (case field.kind.downcase
#             when 'file'     then self.open_sample_asset(value)
#             when 'boolean'  then Boolean.set(value)
#             else
#               value
#             end)
#
#             asset.send("#{name}=", value)
#           end
#
#           asset.save
#
#           self.log "insert asset '#{asset.name}'"
#         end
#       end
#
#     end
#   end
# end