module Chamomile::ColorProfile

# File lib/chamomile/styling/color_profile.rb, line 56
def detect
  return NO_COLOR if ENV.key?("NO_COLOR")

  colorterm = ENV.fetch("COLORTERM", "")
  return TRUE_COLOR if %w[truecolor 24bit].include?(colorterm)

  term = ENV.fetch("TERM", "")
  return ANSI256 if term.include?("256color")
  return ANSI if term.include?("color") || term.include?("ansi")

  ANSI
end

# File lib/chamomile/styling/color_profile.rb, line 69
def downsample(color, target_profile)
  return Color::NoColor.new if target_profile == NO_COLOR

  case color
  when Color::TrueColor
    case target_profile
    when TRUE_COLOR then color
    when ANSI256 then truecolor_to_256(color)
    when ANSI then ansi256_to_ansi(truecolor_to_256(color))
    end
  when Color::ANSI256Color
    case target_profile
    when TRUE_COLOR, ANSI256 then color
    when ANSI then ansi256_to_ansi(color)
    end
  else # ANSIColor, NoColor, etc.
    color
  end
end