module Scoring
  class Engine
    ENGINES = {
      "volley" => Engines::VolleyEngine,
      "racket" => Engines::RacketEngine,
      "generic" => Engines::GenericEngine,
      "basket" => Engines::BasketEngine,
      "timed" => Engines::TimedEngine,
      "timer" => Engines::TimerEngine
    }.freeze

    def self.for_match(match)
      board = match.effective_board_type
      klass = ENGINES.fetch(board) { Engines::GenericEngine }
      klass.new(match: match)
    end

    def self.for_session(session)
      for_match(session.match)
    end

    def self.ensure_score_for(session)
      for_match(session.match).ensure_score(session)
    end
  end
end