module CookingSpoon

# File lib/cooking_spoon/config.rb, line 17
def configure(&block)
  block.call(CookingSpoon::Config.instance)
end

# File lib/cooking_spoon.rb, line 22
def quantity(quantity)
  "#{spoon_format(quantity)}"
end

# File lib/cooking_spoon.rb, line 7
def quantity_and_unit(quantity, unit=1)
  CookingSpoon::Unit::check_unit(unit)
  
  case unit
    when 0, :gram
      "#{quantity.floor}グラム"
    when 1, :small_spoon
      "小さじ#{spoon_format(quantity)}"
    when 2, :big_spoon
      "大さじ#{spoon_format(quantity)}"
    when 3, :a_little
      "少々"
  end
end

# File lib/cooking_spoon.rb, line 28
def spoon_format(quantity)
  quantity = Rational(quantity)
  if quantity - quantity.floor > 0
    if quantity < 1
      "#{Rational(quantity)}"
    else
      "#{(quantity.floor)}と#{Rational(quantity - quantity.floor)}"
    end
  else
    "#{quantity.floor}"
  end
end