require 'formula'

class Ledger < Formula
  homepage 'http://ledger-cli.org'

  stable do
    url "https://github.com/ledger/ledger/archive/v3.0.3.tar.gz"
    sha1 "b65c2dc78f366fc3c2db9e2b7900b727b91f4656"

    resource "utfcpp" do
      url "http://downloads.sourceforge.net/project/utfcpp/utf8cpp_2x/Release%202.3.4/utf8_v2_3_4.zip"
      sha1 "638910adb69e4336f5a69c338abeeea88e9211ca"
    end
  end

  bottle do
    sha1 "a40e25cd2449c3c44bd9385c895d55f4967ca3bc" => :mavericks
    sha1 "3383a59b4a242dc537bb3be81f3e8e588622b442" => :mountain_lion
  end

  head "https://github.com/ledger/ledger.git", :branch => "master"

  option 'debug', 'Build with debugging symbols enabled'

  depends_on "cmake" => :build
  depends_on "ninja" => :build
  depends_on "mpfr"
  depends_on "gmp"
  depends_on :python => :optional

  boost_opts = []
  boost_opts << "with-python" if build.with? "python"
  boost_opts << "c++11" if MacOS.version < "10.9"
  depends_on "boost" => boost_opts

  needs :cxx11

  def install
    ENV.cxx11

    (buildpath/"lib/utfcpp").install resource("utfcpp") unless build.head?

    flavor = build.include?("debug") ? "debug" : "opt"

    args = %W[
      --prefix=#{prefix}
      #{flavor} make install -N -j#{ENV.make_jobs}
      --output=build
      --boost=#{Formula["boost"].opt_prefix}
    ]

    if build.with? 'python'
      # Per #25118, CMake does a poor job of detecting a brewed Python.
      # We need to tell CMake explicitly where our default python lives.
      # Inspired by
      # https://github.com/Homebrew/homebrew/blob/51d054c/Library/Formula/opencv.rb
      args << "--python" << "--"
      python_prefix = `python-config --prefix`.strip
      args << "-DPYTHON_LIBRARY=#{python_prefix}/Python"
      args << "-DPYTHON_INCLUDE_DIR=#{python_prefix}/Headers"
    end

    system "./acprep", *args
    (share+'ledger/examples').install Dir['test/input/*.dat']
    (share+'ledger').install 'contrib'
    (share+"ledger").install "python/demo.py" if build.with? "python"
  end

  test do
    balance = testpath/"output"
    system bin/"ledger",
      "--args-only",
      "--file", share/"ledger/examples/sample.dat",
      "--output", balance,
      "balance", "--collapse", "equity"
    assert_equal "          $-2,500.00  Equity", balance.read.chomp
    assert_equal 0, $?.exitstatus

    if build.with? 'python'
      system "python", "#{share}/ledger/demo.py"
    end
  end
end