require 'formula'

class Abcmidi < Formula
  homepage 'http://www.ifdo.ca/~seymour/runabc/top.html'
  url 'http://www.ifdo.ca/~seymour/runabc/abcMIDI-2014-11-18.zip'
  version '2014-11-18'
  sha1 '8a4ab723c689300535f0e7eeb7c1dc50629018f3'

  bottle do
    cellar :any
    sha1 "caa541f475f5a062989ab28ba02f0e81bfaa301a" => :yosemite
    sha1 "5ae503fe5b1753c9c0a29a64b105c3986757d5b0" => :mavericks
    sha1 "5d4c6bad566b33e63739a8a085d9689ac3609c20" => :mountain_lion
  end

  def install
    # configure creates a "Makefile" file. A "makefile" file already exist in
    # the tarball. On case-sensitive file-systems, the "makefile" file won't
    # be overridden and will be chosen over the "Makefile" file.
    system "rm", "makefile"

    system "./configure", "--disable-debug", "--prefix=#{prefix}", "--mandir=#{man}"
    # The Makefile is broken when using --prefix (value is added to path twice).
    # abcmidi author is notified (2012-06-20). In the meantime, here's a fix.
    inreplace "Makefile", "$(DESTDIR)${prefix}", "$(DESTDIR)"

    system "make", "install"
  end

  test do
    (testpath/"balk.abc").write <<-EOF.undent
      X: 1
      T: Abdala
      F: http://www.youtube.com/watch?v=YMf8yXaQDiQ
      L: 1/8
      M: 2/4
      K:Cm
      Q:1/4=180
      %%MIDI bassprog 32 % 32 Acoustic Bass
      %%MIDI program 23 % 23 Tango Accordian
      %%MIDI bassvol 69
      %%MIDI gchord fzfz
      |:"G"FDEC|D2C=B,|C2=B,2 |C2D2   |\
        FDEC   |D2C=B,|C2=B,2 |A,2G,2 :|
      |:=B,CDE |D2C=B,|C2=B,2 |C2D2   |\
        =B,CDE |D2C=B,|C2=B,2 |A,2G,2 :|
      |:C2=B,2 |A,2G,2| C2=B,2|A,2G,2 :|
    EOF

    system "#{bin}/abc2midi", (testpath/"balk.abc")
  end
end