# frozen_string_literal: false

# Core SVG data for the pennants.
#
# This class should never need to be called directly.
# @private
class USPSFlags::Core::Pennant
  def initialize(type: :cruise)
    @type = type.to_s.upcase
    @fly = USPSFlags::Config::BASE_FLY
    @hoist = USPSFlags::Config::BASE_HOIST / 4
  end

  def svg
    return oic if @type == 'OIC'
    return cruise if @type == 'CRUISE'
  end

private

  def oic
    <<~SVG
      <polyline fill="#{USPSFlags::Config::BLUE}" points="0 0 #{USPSFlags::Config::BASE_FLY} #{USPSFlags::Config::BASE_HOIST / 8} 0 #{USPSFlags::Config::BASE_HOIST / 4}" />
    SVG
  end

  def cruise
    <<~SVG
      #{cruise_red}#{cruise_white}#{cruise_blue}
      <path d="M 0 0 l #{@fly} #{@hoist / 2} l -#{@fly} #{@hoist / 2}" fill="none" stroke="#000000" stroke-width="2" />
      <g transform=\"translate(385, 340)\">
        #{USPSFlags::Core.star}
      </g>"
    SVG
  end

  def cruise_red
    <<~SVG
      <path d="M 0 0 l #{@fly * 10 / 36} #{@hoist * 5 / 36} l 0 #{@hoist * 26 / 36} l -#{@fly * 10 / 36} #{@hoist * 5 / 36}" fill="#{USPSFlags::Config::RED}" />
    SVG
  end

  def cruise_white
    <<~SVG
      <path d="M #{@fly * 10 / 36} #{@hoist * 5 / 36} l #{@fly * 11 / 36} #{@hoist * 5.5 / 36} l 0 #{@hoist * 15 / 36} l -#{@fly * 11 / 36} #{@hoist * 5.5 / 36}" fill="#FFFFFF" />
    SVG
  end

  def cruise_blue
    <<~SVG
      <path d="M #{@fly * 21 / 36} #{@hoist * 10.5 / 36} l #{@fly * 15 / 36} #{@hoist * 7.5 / 36} l -#{@fly * 15 / 36} #{@hoist * 7.5 / 36}" fill="#{USPSFlags::Config::BLUE}" />
    SVG
  end
end