module DndTreasureCalc

# File lib/dnd_treasure_calc.rb, line 50
def DndTreasureCalc.get_index(challenge_rating)
  idx = challenge_rating / 5
  idx = 3 if idx > 3
  idx
end

# File lib/dnd_treasure_calc.rb, line 36
def DndTreasureCalc.horde(challenge_rating)
  raise RuntimeError, 'Not yet implemented.'
end

# File lib/dnd_treasure_calc.rb, line 45
def DndTreasureCalc.horde_table_for(challenge_rating)
  idx = get_index(challenge_rating)
  HORDE_TABLES[idx]
end

# File lib/dnd_treasure_calc.rb, line 15
def DndTreasureCalc.individual(challenge_rating)
  table = individual_table_for(challenge_rating)
  roll = D_100.roll
  table.each do |threshold, dice|
    if roll <= threshold
      coins = []

      dice.each do |d|
        die = Dice.new(d[:rolls], d[:faces])
        amount = die.roll * d[:multiplier]
        coins << Coins.new(amount, d[:type])
      end

      return coins
    end
  end

  raise RuntimeError, "#{roll} did not meet any of the thresholds!"
end

# File lib/dnd_treasure_calc.rb, line 40
def DndTreasureCalc.individual_table_for(challenge_rating)
  idx = get_index(challenge_rating)
  INDIVIDUAL_TABLES[idx]
end