class RRequirement < Requirement
  fatal true

  satisfy { which("r") }

  def message; <<~EOS
    R not found. The R integration module requires R.
    Do one of the following:
    - install R
    -- run brew install r or brew cask install r-app
    - remove the --with-r option
    EOS
  end
end

class Monetdb < Formula
  desc "Column-store database"
  homepage "https://www.monetdb.org/"
  url "https://www.monetdb.org/downloads/sources/Mar2018/MonetDB-11.29.3.tar.xz"
  sha256 "bf7c2d110add2ab3ce49db5c86cb3c415b20ebb736358f70f5e2ba33b4dd27c0"

  bottle do
    sha256 "524334a54122d87d29e15f15da8620d804ee6a791396a8da698cc378fe8db10a" => :high_sierra
    sha256 "b0c68409cc0783fcf83fd84496556a3a6c80bbe4bb1414f687cd10c3eddd85da" => :sierra
    sha256 "c17635a041cf7fdf5458ed70f4cf8b10f53fe1a5ccf2109d5c8e262b978eab16" => :el_capitan
  end

  head do
    url "https://dev.monetdb.org/hg/MonetDB", :using => :hg

    depends_on "libtool" => :build
    depends_on "gettext" => :build
    depends_on "automake" => :build
    depends_on "autoconf" => :build
  end

  option "with-java", "Build the JDBC driver"
  option "with-ruby", "Build the Ruby driver"
  option "with-r", "Build the R integration module"

  depends_on RRequirement => :optional

  depends_on "pkg-config" => :build
  depends_on "ant" => :build
  depends_on "libatomic_ops" => [:build, :recommended]
  depends_on "pcre"
  depends_on "readline" # Compilation fails with libedit.
  depends_on "openssl"

  depends_on "unixodbc" => :optional # Build the ODBC driver
  depends_on "geos" => :optional # Build the GEOM module
  depends_on "gsl" => :optional
  depends_on "cfitsio" => :optional

  def install
    ENV["M4DIRS"] = "#{Formula["gettext"].opt_share}/aclocal" if build.head?
    system "./bootstrap" if build.head?

    args = ["--prefix=#{prefix}",
            "--enable-debug=no",
            "--enable-assert=no",
            "--enable-optimize=yes",
            "--enable-testing=no",
            "--with-readline=#{Formula["readline"].opt_prefix}"]

    args << "--with-java=no" if build.without? "java"
    args << "--with-rubygem=no" if build.without? "ruby"
    args << "--disable-rintegration" if build.without? "r"

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