require "formula"

class Graphviz < Formula
  homepage "http://graphviz.org/"
  url "http://graphviz.org/pub/graphviz/stable/SOURCES/graphviz-2.38.0.tar.gz"
  sha1 "053c771278909160916ca5464a0a98ebf034c6ef"

  bottle do
    sha1 "112471c5d0e25a953ae64c09db48f434e744f558" => :mavericks
    sha1 "7dcc9f76ce2b8978a77d114354471c7c931a4b54" => :mountain_lion
    sha1 "9effcb470b301098a54566f6d335f2eee6491d71" => :lion
  end

  # To find Ruby and Co.
  env :std

  option :universal
  option "with-bindings", "Build Perl/Python/Ruby/etc. bindings"
  option "with-pangocairo", "Build with Pango/Cairo for alternate PDF output"
  option "with-x", "Build with X11 support"
  option "with-app", "Build GraphViz.app (requires full XCode install)"
  option "with-gts", "Build with GNU GTS support (required by prism)"

  depends_on "libpng"

  depends_on "pkg-config" => :build
  depends_on "pango" if build.with? "pangocairo"
  depends_on "swig" if build.with? "bindings"
  depends_on :python if build.with? "bindings"
  depends_on "gts" => :optional
  depends_on "librsvg" => :optional
  depends_on "freetype" => :optional
  depends_on :x11 if build.with? "x"
  depends_on :xcode => :build if build.with? "app"

  fails_with :clang do
    build 318
  end

  patch :p0 do
    url "https://trac.macports.org/export/103168/trunk/dports/graphics/graphviz/files/patch-project.pbxproj.diff"
    sha1 "b242fb8fa81489dd16830e5df6bbf5448a3874d5"
  end

  def install
    ENV.universal_binary if build.universal?
    args = ["--disable-debug",
            "--disable-dependency-tracking",
            "--prefix=#{prefix}",
            "--without-qt",
            "--with-quartz"]
    args << "--with-gts" if build.with? "gts"
    args << "--disable-swig" if build.without? "bindings"
    args << "--without-pangocairo" if build.without? "pangocairo"
    args << "--without-freetype2" if build.without? "freetype"
    args << "--without-x" if build.without? "x"
    args << "--without-rsvg" if build.without? "librsvg"

    if build.with? "bindings"
      # http://www.graphviz.org/mantisbt/view.php?id=2486
      inreplace "configure", 'PYTHON_LIBS="-lpython$PYTHON_VERSION_SHORT"',
                             'PYTHON_LIBS="-L$PYTHON_PREFIX/lib -lpython$PYTHON_VERSION_SHORT"'
    end

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

    if build.with? "app"
      cd "macosx" do
        xcodebuild "-configuration", "Release", "SYMROOT=build", "PREFIX=#{prefix}", "ONLY_ACTIVE_ARCH=YES"
      end
      prefix.install "macosx/build/Release/Graphviz.app"
    end

    (bin+"gvmap.sh").unlink
  end

  test do
    (testpath/"sample.dot").write <<-EOS.undent
    digraph G {
      a -> b
    }
    EOS

    system "#{bin}/dot", "-Tpdf", "-o", "sample.pdf", "sample.dot"
  end
end