# frozen_string_literal: true

require 'games_dice/version'
begin
  require 'games_dice/games_dice'
rescue LoadError
  require 'games_dice/probabilities'
end
require 'games_dice/constants'
require 'games_dice/die'
require 'games_dice/die_result'
require 'games_dice/reroll_rule'
require 'games_dice/map_rule'
require 'games_dice/complex_die'
require 'games_dice/bunch'
require 'games_dice/dice'
require 'games_dice/parser'
require 'games_dice/marshal'

module GamesDice
  # @!visibility private
  @@parser = GamesDice::Parser.new

  # Creates an instance of GamesDice::Dice from a string description.
  # @param [String] dice_description Uses a variation of common game notation, examples: '1d6', '3d8+1d4+7', '5d10k2'
  # @param [#rand] prng Optional random number generator, default is to use Ruby's built-in #rand()
  # @return [GamesDice::Dice] A new dice object.
  #
  def self.create(dice_description, prng = nil)
    parsed = @@parser.parse(dice_description)
    parsed[:bunches].each { |bunch| bunch.merge!(prng: prng) } if prng
    GamesDice::Dice.new(parsed[:bunches], parsed[:offset])
  end
end