# frozen_string_literal: true

module HumanAttributeValues
  extend ActiveSupport::Concern

  def human_attribute_value(attribute, options = {})
    value = public_send(attribute)
    self.class.human_attribute_value(attribute, value, options)
  end

  module ClassMethods
    def human_attribute_value(attribute, value, options = {})
      return '' if value.nil? || value == ''

      options = {count: 1}.merge!(options)
      parts = attribute.to_s.split('.')
      attribute = parts.pop
      namespace = parts.join('/') unless parts.empty?
      value_scope = "#{i18n_scope}.values"

      # dots would mean a new nesting level in YAML files
      key = value.to_s.tr('.', '_')

      if namespace
        defaults = lookup_ancestors.map do |klass|
          :"#{value_scope}.#{klass.model_name.i18n_key}/#{namespace}.#{attribute}.#{key}"
        end
        defaults << :"#{value_scope}.#{namespace}.#{attribute}.#{key}"
      else
        defaults = lookup_ancestors.map do |klass|
          :"#{value_scope}.#{klass.model_name.i18n_key}.#{attribute}.#{key}"
        end
      end

      defaults << :"values.#{attribute}.#{key}"
      defaults << options.delete(:default) if options[:default]
      defaults << value.to_s

      options[:default] = defaults
      I18n.t(defaults.shift, **options)
    end
  end
end

ActiveRecord::Base.include HumanAttributeValues
ActiveModel::Model.include HumanAttributeValues