play_matrix.rb

module PlayByPlay
  module Model
    class PlayMatrix
      ACCESSIBLE_PLAYS = {
        technical_free_throws: [
          [ :ft ],
          [ :ft_miss ],
          [ :period_end ],
          [ :technical_foul, team: :defense ],
          [ :technical_foul, team: :offense ],
          [ :technical_foul, flagrant: true, team: :defense ],
          [ :technical_foul, flagrant: true, team: :offense ],
        ],
        free_throws: [
          [ :ft ],
          [ :ft_miss ],
          [ :offensive_foul ],
          [ :period_end ],
          [ :personal_foul, team: :defense ],
          [ :personal_foul, team: :offense ],
          [ :technical_foul, team: :defense ],
          [ :technical_foul, team: :offense ],
          [ :technical_foul, flagrant: true, team: :defense ],
          [ :technical_foul, flagrant: true, team: :offense ],
          [ :turnover ],
        ],
        team: [
          [ :block ],
          [ :block, point_value: 3 ],
          [ :fg ],
          [ :fg, and_one: true ],
          [ :fg, point_value: 3 ],
          [ :fg, point_value: 3, and_one: true ],
          [ :fg, assisted: true ],
          [ :fg, and_one: true, assisted: true ],
          [ :fg, point_value: 3, assisted: true ],
          [ :fg, point_value: 3, and_one: true, assisted: true ],
          [ :fg_miss ],
          [ :fg_miss, point_value: 3 ],
          [ :offensive_foul ],
          [ :period_end ],
          [ :personal_foul, away_from_play: true, team: :defense ],
          [ :personal_foul, away_from_play: true, team: :offense ],
          [ :personal_foul, clear_path: true, team: :defense ],
          [ :personal_foul, intentional: true, team: :defense ],
          [ :personal_foul, team: :defense ],
          [ :personal_foul, team: :offense ],
          [ :shooting_foul ],
          [ :shooting_foul, point_value: 3 ],
          [ :steal ],
          [ :technical_foul, team: :defense ],
          [ :technical_foul, team: :offense ],
          [ :technical_foul, flagrant: true, team: :defense ],
          [ :technical_foul, flagrant: true, team: :offense ],
          [ :turnover ],
        ],
        ball_in_play: [
          [ :offensive_foul ],
          [ :period_end ],
          [ :personal_foul, clear_path: true, team: :defense ],
          [ :personal_foul, intentional: true, team: :defense ],
          [ :personal_foul, team: :defense ],
          [ :personal_foul, team: :offense ],
          [ :rebound, team: :defense ],
          [ :rebound, team: :offense ],
          [ :team_rebound, team: :defense ],
          [ :team_rebound, team: :offense ],
          [ :technical_foul, team: :defense ],
          [ :technical_foul, team: :offense ],
          [ :technical_foul, flagrant: true, team: :defense ],
          [ :technical_foul, flagrant: true, team: :offense ],
        ],
        no_seconds_remaining: [
          [ :period_end ],
        ],
        nil => [
          [ :jump_ball, team: :home ],
          [ :jump_ball, team: :visitor ],
          [ :jump_ball_out_of_bounds, team: :home ],
          [ :jump_ball_out_of_bounds, team: :visitor ],
          [ :period_end ],
          [ :team_rebound, team: :home ],
          [ :team_rebound, team: :visitor ],
          [ :technical_foul, team: :home ],
          [ :technical_foul, team: :visitor ],
          [ :technical_foul, flagrant: true, team: :defense ],
          [ :technical_foul, flagrant: true, team: :offense ],
          [ :turnover, team: :home ],
          [ :turnover, team: :visitor ],
        ]
      }.freeze

      def self.play_keys
        ACCESSIBLE_PLAYS.values.flatten(1).uniq
      end

      def self.possession_key?(key)
        possession_keys.include? key
      end

      def self.possession_keys
        ACCESSIBLE_PLAYS.keys
      end

      def self.accessible_plays(possession_key)
        ACCESSIBLE_PLAYS[possession_key]
      end

      def self.accessible?(possession, play)
        accessible_plays(possession.key).include? play.key
      end
    end
  end
end