# == Schema Information
#
# Table name: world_bets
#
#  id           :integer          not null, primary key
#  bet          :string
#  french_score :integer
#  name         :string
#  score        :integer
#  world_score  :integer
#  created_at   :datetime         not null
#  updated_at   :datetime         not null
#
class WorldBet < ApplicationRecord
  validates :name, presence: true, uniqueness: true
  validates :score, presence: true, numericality: { greater_than_or_equal_to: 0 }
  validates :french_score, presence: true, numericality: { greater_than_or_equal_to: 0 }
  validates :world_score, presence: true, numericality: { greater_than_or_equal_to: 0 }

  @@multiplier_array = [ 20, 15, 12, 10, 8, 6, 4, 3, 2, 1 ]
  @@points_array = [ 100, 70, 50, 40, 30, 26, 23, 20, 17, 15 ]

  def self.multiplier(i)
    if i < 0 or i > 9
      return 0
    end
    @@multiplier_array[i]
  end

  def self.points(i)
    if !i || i < 1
      return 0
    end
    if i <= 10
      return @@points_array[i - 1]
    end
    if i <= 20
      return 12
    end
    if i <= 30
      return 10
    end
    if i <= 40
      return 8
    end
    if i <= 50
      return 7
    end
    if i <= 60
      return 6
    end
    if i <= 70
      return 5
    end
    if i <= 80
      return 4
    end
    if i <= 90
      return 3
    end
    if i <= 100
      return 2
    end
    if i <= 150
      return 1
    end
    0
  end

  def serialize_bet(w, f)
    self.bet = "#{w.join(',')};#{f.join(',')}"
  end

  def compute_score(participant_scores)
    self.score = 0
    self.french_score = 0
    self.world_score = 0
    w = self.bet.split(";", -1).first.split(",", -1)
    w.each_with_index do |participant_id, i|
      if participant_scores.has_key?(Integer(participant_id))
        self.score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
        self.world_score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
      end
    end
    f = self.bet.split(";", -1).last.split(",", -1)
    f.each_with_index do |participant_id, i|
      if participant_scores.has_key?(Integer(participant_id))
        self.score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
        self.french_score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
      end
    end
  end
end