class Transmission < Formula
  desc "Lightweight BitTorrent client"
  homepage "https://www.transmissionbt.com/"
  url "https://github.com/transmission/transmission-releases/raw/dc77bea/transmission-2.94.tar.xz"
  sha256 "35442cc849f91f8df982c3d0d479d650c6ca19310a994eccdaa79a4af3916b7d"

  bottle do
    sha256 "f9d035ba6b2e2fe96080f368b9b396c05a643680bb1e6714b6eb4d2161ca63e0" => :high_sierra
    sha256 "cf4f5ccc5069e03addf77882152e6358f2aeb514ffab78d7ed20e54b22d42936" => :sierra
    sha256 "e31b76dc003d69cfeb5f67478a95dd8e824e26606b585270b15bfffe79cae59c" => :el_capitan
  end

  option "with-nls", "Build with native language support"

  depends_on "pkg-config" => :build
  depends_on "libevent"

  if build.with? "nls"
    depends_on "intltool" => :build
    depends_on "gettext"
  end

  def install
    ENV.append "LDFLAGS", "-framework Foundation -prebind"
    ENV.append "LDFLAGS", "-liconv"

    args = %W[--disable-dependency-tracking
              --prefix=#{prefix}
              --disable-mac
              --without-gtk]

    args << "--disable-nls" if build.without? "nls"

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

    (var/"transmission").mkpath
  end

  def caveats; <<~EOS
    This formula only installs the command line utilities.

    Transmission.app can be downloaded directly from the website:
      https://www.transmissionbt.com/

    Alternatively, install with Homebrew-Cask:
      brew cask install transmission
    EOS
  end

  plist_options :manual => "transmission-daemon --foreground"

  def plist; <<~EOS
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
      <dict>
        <key>Label</key>
        <string>#{plist_name}</string>
        <key>ProgramArguments</key>
        <array>
          <string>#{opt_bin}/transmission-daemon</string>
          <string>--foreground</string>
          <string>--config-dir</string>
          <string>#{var}/transmission/</string>
          <string>--log-info</string>
          <string>--logfile</string>
          <string>#{var}/transmission/transmission-daemon.log</string>
        </array>
        <key>KeepAlive</key>
        <dict>
          <key>NetworkState</key>
          <true/>
        </dict>
        <key>RunAtLoad</key>
        <true/>
      </dict>
    </plist>
    EOS
  end

  test do
    system "#{bin}/transmission-create", "-o", "#{testpath}/test.mp3.torrent", test_fixtures("test.mp3")
    assert_match /^magnet:/, shell_output("#{bin}/transmission-show -m #{testpath}/test.mp3.torrent")
  end
end