require 'formula'

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

  stable do
    url "https://github.com/maxmind/geoip-api-c/releases/download/v1.6.0/GeoIP-1.6.0.tar.gz"
    sha1 "41ed21fb2d40e54648cae2a1f73e8a5210676def"

    # 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 "f342950837e46ac3ba90be79c77c8c770fbc9c2d" => :mavericks
    sha1 "f3b27eb5aef8815b2c01f03938e5c8f7af8d1371" => :mountain_lion
    sha1 "a39b59af4ee01c7a1e224e9d98ee83d2230f7993" => :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.glob("#{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