require_relative 'rolled_dice'

class Hazard

  def self.method_missing( method_name )

    # Transform the method_name to string
    method_name = method_name.to_s

    # If first character is 's'
    if method_name[0] == 's'
      method_name = method_name[1..-1]
      # Then we will return a splitted result
      splitted_result = true
    end

    # Parse the method name to get how many dice and what size of dice was required
    dice_match = method_name.to_s.match( /(\d*)d(\d+)/ )
    # Raise an error if match fail
    raise "Method mising : #{method_name}" unless dice_match

    # Get the dice amount
    dice_amount = dice_match[1].to_i
    # If no amount is given then the amount is 1
    dice_amount = 1 if dice_amount == 0
    # Get the type of dice
    dice_type = dice_match[2].to_i

    # Rolls the dice
    rolls = (1..dice_amount).map{ Kernel.rand( 1..dice_type ) }

    # Unless splitted_result was requested, return the sum of the rolled dice
    return rolls.reduce(:+) unless splitted_result

    # Return a RolledDice otherwise
    RolledDice.new(rolls )

  end

end