# == Schema Information

#

#

#  id          :integer          not null, primary key

#  name        :string(255)

#  language_id :integer

#  created_at  :datetime

#  updated_at  :datetime

#

class Runtime < ActiveRecord::Base

  belongs_to :language, dependent: :destroy, inverse_of: :runtimes

  has_many :benchmark_configurations, inverse_of: :runtime

  validates_presence_of :language_id, :name

  def all_benchmark_infos

    result = Set.new

    benchmark_batches.each do |batch|

      batch.benchmark_results.each { |r| result.add r.benchmark_info }

    end

    result

  end

  def all_dates_when_performed

    SortedSet.new(benchmark_batches.map(&:performed_at).flatten).to_a

  end

  def results_at(time)

    batch = benchmark_batches.where(performed_at: time).first

    all_benchmark_infos.map do |info|

      batch.result_for(info)

    end

  end

  def results_of(benchmark_info, time)

    batch_with_given_date = benchmark_batches

    .where(performed_at: time)

    .first

    if batch_with_given_date

      batch_with_given_date

      .benchmark_results(benchmark_info: benchmark_info)

      .first

    else

      nil

    end

  end

end