# frozen_string_literal: true

# A staff is a set of lines and spaces that provides context for a pitch
class HeadMusic::Staff
  DEFAULT_LINE_COUNT = 5

  attr_reader :default_clef, :line_count, :instrument

  def initialize(default_clef, instrument: nil, line_count: nil)
    @default_clef = HeadMusic::Clef.get(default_clef)
    @line_count = line_count || DEFAULT_LINE_COUNT
    @instrument = HeadMusic::Instrument.get(instrument) if instrument
  end

  def clef
    default_clef || instrument&.default_staffs&.first
  end
end