tabletop-companion/app/models/stat.rb

# frozen_string_literal: true

class Stat < ApplicationRecord
  has_one :character_sheet_feature, as: :featurable, dependent: :destroy
  has_one :character_sheet_section, through: :character_sheet_feature
  accepts_nested_attributes_for :character_sheet_feature, allow_destroy: true

  has_one :character, through: :character_sheet_section
  has_many :dice_rolls, as: :rollable, dependent: :destroy
  has_many :dice_roll_types, as: :rollable, dependent: :destroy

  validates :name, presence: true,
                   length: { maximum: 100 }
  validates :min_allowed, numericality: true, allow_nil: true
  validates :max_allowed, numericality: true, allow_nil: true
  validates :value, presence: true,
                    numericality: true
  validate :validate_roll_command

  def rollable?
    roll_command.present?
  end

  def roll(table)
    roller = DiceRoller.new(roll_command, stat: self)
    result = roller.roll
    dice_rolls.create(result: roller.roll, table:, dice: roller.dice)
    result
  end

  private

    def validate_roll_command
      return if roll_command.blank?

      DiceRoller.new(roll_command).valid?
    end
end