class Faker::Books::Dune

def character
  fetch('dune.characters')
end

def city
  fetch('dune.cities')
end

def planet
  fetch('dune.planets')
end

def quote(character: nil)
  quoted_characters = translate('faker.dune.quotes').keys
  if character.nil?
    character = sample(quoted_characters).to_s
  else
    character = character.to_s.downcase
    unless quoted_characters.include?(character.to_sym)
      raise ArgumentError,
            "Characters quoted can be left blank or #{quoted_characters.join(', ')}"
    end
  end
  fetch("dune.quotes.#{character}")
end

def saying(source: nil)
  sourced_sayings = translate('faker.dune.sayings').keys
  if source.nil?
    source = sample(sourced_sayings).to_s
  else
    source = source.to_s.downcase
    unless sourced_sayings.include?(source.to_sym)
      raise ArgumentError,
            "Sources quoted in sayings can be left blank or #{sourced_sayings.join(', ')}"
    end
  end
  fetch("dune.sayings.#{source}")
end

def title
  fetch('dune.titles')
end