class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/libvips/libvips"
  url "https://github.com/libvips/libvips/releases/download/v8.12.1/vips-8.12.1.tar.gz"
  sha256 "474d8439244cd26c504812fd623259f806c32553b38d2a54798c9766135f5a5c"
  license "LGPL-2.1-or-later"

  livecheck do
    url :stable
    strategy :github_latest
  end

  bottle do
    sha256 arm64_big_sur: "9c25395fd7c46809cd1fbc887fd53d7e1dadc74182ff48fc361c6f34b4706a68"
    sha256 monterey:      "3671ae76c280fda2dc28bdaf967669e5512f37b3d870e4fe020b07ab7bd119dd"
    sha256 big_sur:       "3ca7cf19414b876ca30e4451b015cff9f9055495dafdad804b38bfb3dfb93043"
    sha256 catalina:      "aaebf8e5098d8a4c9b11fa868176a0c18dd7c139fda45f642bc0de91b9fcc4e1"
  end

  depends_on "pkg-config" => :build
  depends_on "cfitsio"
  depends_on "cgif"
  depends_on "fftw"
  depends_on "fontconfig"
  depends_on "gettext"
  depends_on "glib"
  depends_on "imagemagick"
  depends_on "jpeg-xl"
  depends_on "libexif"
  depends_on "libgsf"
  depends_on "libheif"
  depends_on "libimagequant"
  depends_on "libmatio"
  depends_on "libpng"
  depends_on "librsvg"
  depends_on "libspng"
  depends_on "libtiff"
  depends_on "little-cms2"
  depends_on "mozjpeg"
  depends_on "openexr"
  depends_on "openslide"
  depends_on "orc"
  depends_on "pango"
  depends_on "poppler"
  depends_on "webp"

  uses_from_macos "zlib"

  on_linux do
    depends_on "gobject-introspection"
  end

  def install
    # mozjpeg needs to appear before libjpeg, otherwise it's not used
    ENV.prepend_path "PKG_CONFIG_PATH", Formula["mozjpeg"].opt_lib/"pkgconfig"

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

    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

    # --trellis-quant requires mozjpeg, vips warns if it's not present
    cmd = "#{bin}/vips jpegsave #{test_fixtures("test.png")} #{testpath}/test.jpg --trellis-quant 2>&1"
    assert_equal "", shell_output(cmd)

    # [palette] requires libimagequant, vips warns if it's not present
    cmd = "#{bin}/vips copy #{test_fixtures("test.png")} #{testpath}/test.png[palette] 2>&1"
    assert_equal "", shell_output(cmd)
  end
end