class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/libvips/libvips"
  url "https://github.com/libvips/libvips/releases/download/v8.7.1/vips-8.7.1.tar.gz"
  sha256 "1ab080fc7970e6f0a16b1499e44628ea55f80d34c991f5c015d21ede2e486bf0"

  bottle do
    sha256 "c511c6aa3b5a8a85e4fd8feaa0086fd864f0939cf2f2e3977163ede38a1ce479" => :mojave
    sha256 "6bf5f39ff9d5137a3d4d8c369fb4e2a43339ef1ce0d11206a5a91b4536d8a3d4" => :high_sierra
    sha256 "ef2b32a0cce490d39f65a92bf95f02b2cd19e64236555e35cab3b646eebe7eb8" => :sierra
  end

  depends_on "gobject-introspection" => :build
  depends_on "pkg-config" => :build
  depends_on "fontconfig"
  depends_on "gettext"
  depends_on "giflib"
  depends_on "glib"
  depends_on "jpeg"
  depends_on "libexif"
  depends_on "libgsf"
  depends_on "libpng"
  depends_on "librsvg"
  depends_on "libtiff"
  depends_on "little-cms2"
  depends_on "orc"
  depends_on "pango"
  depends_on "webp"
  depends_on "fftw" => :recommended
  depends_on "graphicsmagick" => :recommended
  depends_on "poppler" => :recommended
  depends_on "imagemagick" => :optional
  depends_on "openexr" => :optional
  depends_on "openslide" => :optional

  if build.with?("graphicsmagick") && build.with?("imagemagick")
    odie "vips: --with-imagemagick requires --without-graphicsmagick"
  end

  def install
    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
    ]

    if build.with? "graphicsmagick"
      args << "--with-magick" << "--with-magickpackage=GraphicsMagick"
    elsif build.with? "imagemagick"
      args << "--with-magick"
    end

    system "./configure", *args
    system "make", "install"
  end

  test do
    system "#{bin}/vips", "-l"
    cmd = "#{bin}/vipsheader -f width #{test_fixtures("test.png")}"
    assert_equal "8", shell_output(cmd).chomp
  end
end