class ApplicationRecord < ActiveRecord::Base
  self.abstract_class = true

  include Danbooru::Paginator::ActiveRecordExtension

  concerning :SearchMethods do
    class_methods do
      # range: "5", ">5", "<5", ">=5", "<=5", "5..10", "5,6,7"
      def attribute_matches(attribute, range)
        return all if range.blank?

        column = column_for_attribute(attribute)
        qualified_column = "#{table_name}.#{column.name}"
        parsed_range = Tag.parse_helper(range, column.type)

        PostQueryBuilder.new(nil).add_range_relation(parsed_range, qualified_column, self)
      end

      def search(params = {})
        params ||= {}

        q = all
        q = q.attribute_matches(:id, params[:id])
        q = q.attribute_matches(:created_at, params[:created_at]) if attribute_names.include?("created_at")
        q = q.attribute_matches(:updated_at, params[:updated_at]) if attribute_names.include?("updated_at")
        q
      end
    end
  end

  module ApiMethods
    extend ActiveSupport::Concern

    def as_json(options = {})
      options ||= {}
      options[:except] ||= []
      options[:except] += hidden_attributes

      options[:methods] ||= []
      options[:methods] += method_attributes

      super(options)
    end

    def to_xml(options = {}, &block)
      options ||= {}

      options[:except] ||= []
      options[:except] += hidden_attributes

      options[:methods] ||= []
      options[:methods] += method_attributes

      super(options, &block)
    end

    def serializable_hash(*args)
      hash = super(*args)
      hash.transform_keys { |key| key.delete("?") }
    end

    protected

    def hidden_attributes
      [:uploader_ip_addr, :updater_ip_addr, :creator_ip_addr, :ip_addr]
    end

    def method_attributes
      []
    end
  end

  concerning :ActiveRecordExtensions do
    class_methods do
      def without_timeout
        connection.execute("SET STATEMENT_TIMEOUT = 0") unless Rails.env == "test"
        yield
      ensure
        connection.execute("SET STATEMENT_TIMEOUT = #{CurrentUser.user.try(:statement_timeout) || 3_000}") unless Rails.env == "test"
      end

      def with_timeout(n, default_value = nil, new_relic_params = {})
        connection.execute("SET STATEMENT_TIMEOUT = #{n}") unless Rails.env == "test"
        yield
      rescue ::ActiveRecord::StatementInvalid => x
        if Rails.env.production?
          NewRelic::Agent.notice_error(x, :custom_params => new_relic_params.merge(:user_id => CurrentUser.id, :user_ip_addr => CurrentUser.ip_addr))
        end
        return default_value
      ensure
        connection.execute("SET STATEMENT_TIMEOUT = #{CurrentUser.user.try(:statement_timeout) || 3_000}") unless Rails.env == "test"
      end
    end

    %w(execute select_value select_values select_all).each do |method_name|
      define_method("#{method_name}_sql") do |sql, *params|
        self.class.connection.__send__(method_name, self.class.send(:sanitize_sql_array, [sql, *params]))
      end

      self.class.__send__(:define_method, "#{method_name}_sql") do |sql, *params|
        connection.__send__(method_name, send(:sanitize_sql_array, [sql, *params]))
      end
    end
  end

  concerning :PostgresExtensions do
    class_methods do
      def columns(*params)
        super.reject {|x| x.sql_type == "tsvector"}
      end
    end
  end

  def warnings
    @warnings ||= ActiveModel::Errors.new(self)
  end

  include ApiMethods
end