module VotesHelper
  def debate_percentage_of_likes(debate)
    debate.likes.percent_of(debate.total_votes)
  end

  def votes_percentage(vote, debate)
    return "0%" if debate.total_votes == 0

    if vote == "likes"
      "#{debate_percentage_of_likes(debate)}%"
    elsif vote == "dislikes"
      "#{100 - debate_percentage_of_likes(debate)}%"
    end
  end

  def css_classes_for_vote(votes, votable)
    case votes[votable.id]
    when true
      { in_favor: "voted", against: "no-voted" }
    when false
      { in_favor: "no-voted", against: "voted" }
    else
      { in_favor: "", against: "" }
    end
  end

  def voted_for?(votes, votable)
    votes[votable.id]
  end
end