module Eco::Data::Locations
  module NodeBase
    require_relative 'node_base/tag_validations'
    include Eco::Data::Locations::NodeBase::TagValidations

    require_relative 'node_base/treeify'
    require_relative 'node_base/parsing'
    require_relative 'node_base/serial'
    require_relative 'node_base/csv_convert'
    require_relative 'node_base/builder'
    extend Eco::Data::Locations::NodeBase::Builder

    ALL_ATTRS = []

    attr_accessor :tracked_level, :parent

    def copy
      self.class.new.set_attrs(**self.to_h)
    end

    def attr(sym)
      self.send(sym.to_sym)
    end

    def attr?(sym)
      !attr(sym).to_s.strip.empty?
    end

    def set_attrs(**kargs)
      kargs.each {|attr, value| set_attr(attr, value)}
      self
    end

    def set_attr(attr, value)
      self.send("#{attr}=", value)
    end

    def values_at(*attrs)
      attrs.map {|a| attr(a)}
    end

    def to_h(*attrs)
      attrs = self.class::ALL_ATTRS if attrs.empty?
      attrs.zip(values_at(*attrs)).to_h
    end

    def slice(*attrs)
      return {} if attrs.empty?
      to_h(*attrs)
    end
  end
end