module OasRails::Spec::Specable

def as_json(options = nil)
  to_spec
end

def oas_fields
  []
end

def snake_to_camel(snake_str)
  words = snake_str.to_s.split('_')
  words[1..].map!(&:capitalize)
  (words[0] + words[1..].join).to_sym
end

def to_spec
  hash = {}
  oas_fields.each do |var|
    key = var.to_s
    camel_case_key = key.camelize(:lower).to_sym
    value = send(var)
    processed_value = if value.respond_to?(:to_spec)
                        value.to_spec
                      elsif value.is_a?(Array) && value.all? { |elem| elem.respond_to?(:to_spec) }
                        value.map(&:to_spec)
                      # elsif value.is_a?(Hash)
                      #   hash = {}
                      #   value.each do |key, object|
                      #     hash[key] = object.to_spec
                      #   end
                      #   hash
                      else
                        value
                      end
    hash[camel_case_key] = processed_value unless valid_processed_value?(processed_value)
  end
  hash
end

def valid_processed_value?(processed_value)
  ((processed_value.is_a?(Hash) || processed_value.is_a?(Array)) && processed_value.empty?) || processed_value.nil?
end