require "formula"

class Geoip < Formula
  homepage "https://github.com/maxmind/geoip-api-c"

  stable do
    url "https://github.com/maxmind/geoip-api-c/archive/v1.6.2.tar.gz"
    sha1 "aa9a91b61667b605f62964c613e15400cbca2cae"

    # Download test data so `make check` works. Fixed in HEAD.
    # See https://github.com/maxmind/geoip-api-c/commit/722707cc3a0adc06aec3e98bc36e7262f67ec0da
    patch :DATA
  end

  head "https://github.com/maxmind/geoip-api-c.git"

  bottle do
    cellar :any
    sha1 "2a60e65d979e66b54a12534f8c11f7f4d8c81033" => :mavericks
    sha1 "0c658d03041b1b3e7eb4c0196fb692020f0615b2" => :mountain_lion
    sha1 "d35b588961572032297c353fa6e549e4b0086740" => :lion
  end

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "libtool" => :build
  depends_on "geoipupdate" => :optional

  option :universal

  def install
    ENV.universal_binary if build.universal?

    # Fixes a build error on Lion when configure does a variant of autoreconf
    # that results in a botched Makefile, causing this error:
    # No rule to make target '../libGeoIP/libGeoIP.la', needed by 'geoiplookup'
    # This works on Snow Leopard also when it tries but fails to run autoreconf.
    # Also fixes the tests by downloading required data file
    system "./bootstrap"

    system "./configure", "--disable-dependency-tracking",
                          "--disable-silent-rules",
                          "--datadir=#{var}",
                          "--prefix=#{prefix}"
    system "make", "check"
    system "make", "install"
  end

  def post_install
    geoip_data = Pathname.new "#{var}/GeoIP"
    geoip_data.mkpath

    # Since default data directory moved, copy existing DBs
    legacy_data = Pathname.new "#{HOMEBREW_PREFIX}/share/GeoIP"
    cp Dir["#{legacy_data}/*"], geoip_data if legacy_data.exist?

    ["City", "Country"].each do |type|
      full = Pathname.new "#{geoip_data}/GeoIP#{type}.dat"
      next if full.exist? or full.symlink?
      ln_s "GeoLite#{type}.dat", full
    end
  end

  test do
    system "curl", "-O", "http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz"
    system "gunzip", "GeoIP.dat.gz"
    system "#{bin}/geoiplookup", "-f", "GeoIP.dat", "8.8.8.8"
  end
end

__END__
diff --git a/bootstrap b/bootstrap
index 30fc0f9..f20f095 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,5 +1,14 @@
 #!/bin/sh

+# dl the dat file if needed
+DIR="$( cd "$( dirname "$0"  )" && pwd  )"
+
+# download geolite database for the tests
+mkdir -p $DIR/data
+if [ ! -f $DIR/data/GeoIP.dat  ]; then
+      curl http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz | gzip -d > $DIR/data/GeoIP.dat
+fi
+
 # make sure  to use the installed libtool
 rm -f ltmain.sh
 autoreconf -fiv