class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/libvips/libvips"
  url "https://github.com/libvips/libvips/releases/download/v8.8.4/vips-8.8.4.tar.gz"
  sha256 "9f7ae87814d990b67913ae69dc5f26fe62719e29aa7e6cc8908066f31ee15a35"

  bottle do
    sha256 "37a80755048b73d6300a9a3aa5365ac4b8738ca446301387cbf20cf454229700" => :catalina
    sha256 "6383094b1ba9901efa3f3ad9080f78ab2907b59886c55eacd33a78cdfcdbbb04" => :mojave
    sha256 "3319c91a618088ed3a81baf07617bd45d0263520c24c920d3cec03d4fb2e4da8" => :high_sierra
  end

  depends_on "pkg-config" => :build
  depends_on "cfitsio"
  depends_on "fftw"
  depends_on "fontconfig"
  depends_on "gettext"
  depends_on "giflib"
  depends_on "glib"
  depends_on "imagemagick"
  depends_on "libexif"
  depends_on "libgsf"
  depends_on "libheif"
  depends_on "libmatio"
  depends_on "libpng"
  depends_on "librsvg"
  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"

  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}
      --with-magick
    ]

    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)
  end
end