class Cassandra < Formula
  desc "Eventually consistent, distributed key-value store"
  homepage "https://cassandra.apache.org"
  url "https://www.apache.org/dyn/closer.cgi?path=cassandra/3.11.1/apache-cassandra-3.11.1-bin.tar.gz"
  sha256 "6feed696759e2f3219e0ebde13f4c9080cac0744a77eb3cb43af136ab527f0ed"

  bottle do
    cellar :any_skip_relocation
    sha256 "b499ca4bc8a68c3feb02d9771862b0423700445e9d221040d4b1c137e9e9e214" => :high_sierra
    sha256 "60411b38aed6d6a9dd1e43fcb72da7ab6dd1ce65aa0a1410b25e371b922cb364" => :sierra
    sha256 "3a0f52f778ccaceb6600d794b03d1bf3915df7f65314c4f5607b8a2632eea7c4" => :el_capitan
  end

  depends_on "python" if MacOS.version <= :snow_leopard
  depends_on "cython"

  # Only >=Yosemite has new enough setuptools for successful compile of the below deps.
  resource "setuptools" do
    url "https://files.pythonhosted.org/packages/a4/c8/9a7a47f683d54d83f648d37c3e180317f80dc126a304c45dc6663246233a/setuptools-36.5.0.zip"
    sha256 "ce2007c1cea3359870b80657d634253a0765b0c7dc5a988d77ba803fc86f2c64"
  end

  resource "futures" do
    url "https://files.pythonhosted.org/packages/cc/26/b61e3a4eb50653e8a7339d84eeaa46d1e93b92951978873c220ae64d0733/futures-3.1.1.tar.gz"
    sha256 "51ecb45f0add83c806c68e4b06106f90db260585b25ef2abfcda0bd95c0132fd"
  end

  resource "six" do
    url "https://files.pythonhosted.org/packages/16/d8/bc6316cf98419719bd59c91742194c111b6f2e85abac88e496adefaf7afe/six-1.11.0.tar.gz"
    sha256 "70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"
  end

  resource "thrift" do
    url "https://files.pythonhosted.org/packages/a3/ea/84a41e03f1ab14fb314c8bcf1c451090efa14c5cdfb9797d1079f502b54e/thrift-0.10.0.zip"
    sha256 "b7f6c09155321169af03f9fb20dc15a4a0c7481e7c334a5ba8f7f0d864633209"
  end

  resource "cql" do
    url "https://files.pythonhosted.org/packages/0b/15/523f6008d32f05dd3c6a2e7c2f21505f0a785b6dc8949cad325306858afc/cql-1.4.0.tar.gz"
    sha256 "7857c16d8aab7b736ab677d1016ef8513dedb64097214ad3a50a6c550cb7d6e0"
  end

  resource "cassandra-driver" do
    url "https://files.pythonhosted.org/packages/5a/96/a5b2458a0483d3cefdf13064d40119754c1552ea34b7f0e8c6e03e66eb0a/cassandra-driver-3.11.0.tar.gz"
    sha256 "643bed0fac08ee91630f0f35556bb62c3b4b007c20d4e6e8d349f769ea648150"
  end

  def install
    (var/"lib/cassandra").mkpath
    (var/"log/cassandra").mkpath

    pypath = libexec/"vendor/lib/python2.7/site-packages"
    ENV.prepend_create_path "PYTHONPATH", pypath
    resources.each do |r|
      r.stage do
        system "python", *Language::Python.setup_install_args(libexec/"vendor")
      end
    end

    inreplace "conf/cassandra.yaml", "/var/lib/cassandra", "#{var}/lib/cassandra"
    inreplace "conf/cassandra-env.sh", "/lib/", "/"

    inreplace "bin/cassandra", "-Dcassandra.logdir\=$CASSANDRA_HOME/logs", "-Dcassandra.logdir\=#{var}/log/cassandra"
    inreplace "bin/cassandra.in.sh" do |s|
      s.gsub! "CASSANDRA_HOME=\"`dirname \"$0\"`/..\"", "CASSANDRA_HOME=\"#{libexec}\""
      # Store configs in etc, outside of keg
      s.gsub! "CASSANDRA_CONF=\"$CASSANDRA_HOME/conf\"", "CASSANDRA_CONF=\"#{etc}/cassandra\""
      # Jars installed to prefix, no longer in a lib folder
      s.gsub! "\"$CASSANDRA_HOME\"/lib/*.jar", "\"$CASSANDRA_HOME\"/*.jar"
      # The jammm Java agent is not in a lib/ subdir either:
      s.gsub! "JAVA_AGENT=\"$JAVA_AGENT -javaagent:$CASSANDRA_HOME/lib/jamm-", "JAVA_AGENT=\"$JAVA_AGENT -javaagent:$CASSANDRA_HOME/jamm-"
      # Storage path
      s.gsub! "cassandra_storagedir\=\"$CASSANDRA_HOME/data\"", "cassandra_storagedir\=\"#{var}/lib/cassandra\""
    end

    rm Dir["bin/*.bat", "bin/*.ps1"]

    # This breaks on `brew uninstall cassandra && brew install cassandra`
    # https://github.com/Homebrew/homebrew/pull/38309
    (etc/"cassandra").install Dir["conf/*"]

    libexec.install Dir["*.txt", "{bin,interface,javadoc,pylib,lib/licenses}"]
    libexec.install Dir["lib/*.jar"]

    pkgshare.install [libexec/"bin/cassandra.in.sh", libexec/"bin/stop-server"]
    inreplace Dir["#{libexec}/bin/cassandra*", "#{libexec}/bin/debug-cql", "#{libexec}/bin/nodetool", "#{libexec}/bin/sstable*"],
              %r{`dirname "?\$0"?`/cassandra.in.sh},
              "#{pkgshare}/cassandra.in.sh"

    # Make sure tools are installed
    rm Dir[buildpath/"tools/bin/*.bat"] # Delete before install to avoid copying useless files
    (libexec/"tools").install Dir[buildpath/"tools/lib/*.jar"]

    # Tools use different cassandra.in.sh and should be changed differently
    mv buildpath/"tools/bin/cassandra.in.sh", buildpath/"tools/bin/cassandra-tools.in.sh"
    inreplace buildpath/"tools/bin/cassandra-tools.in.sh" do |s|
      # Tools have slightly different path to CASSANDRA_HOME
      s.gsub! "CASSANDRA_HOME=\"`dirname $0`/../..\"", "CASSANDRA_HOME=\"#{libexec}\""
      # Store configs in etc, outside of keg
      s.gsub! "CASSANDRA_CONF=\"$CASSANDRA_HOME/conf\"", "CASSANDRA_CONF=\"#{etc}/cassandra\""
      # Core Jars installed to prefix, no longer in a lib folder
      s.gsub! "\"$CASSANDRA_HOME\"/lib/*.jar", "\"$CASSANDRA_HOME\"/*.jar"
      # Tools Jars are under tools folder
      s.gsub! "\"$CASSANDRA_HOME\"/tools/lib/*.jar", "\"$CASSANDRA_HOME\"/tools/*.jar"
      # Storage path
      s.gsub! "cassandra_storagedir\=\"$CASSANDRA_HOME/data\"", "cassandra_storagedir\=\"#{var}/lib/cassandra\""
    end

    pkgshare.install [buildpath/"tools/bin/cassandra-tools.in.sh"]

    # Update tools script files
    inreplace Dir[buildpath/"tools/bin/*"],
              "`dirname \"$0\"`/cassandra.in.sh",
              "#{pkgshare}/cassandra-tools.in.sh"

    # Make sure tools are available
    bin.install Dir[buildpath/"tools/bin/*"]
    bin.write_exec_script Dir["#{libexec}/bin/*"]

    rm %W[#{bin}/cqlsh #{bin}/cqlsh.py] # Remove existing exec scripts
    (bin/"cqlsh").write_env_script libexec/"bin/cqlsh", :PYTHONPATH => pypath
    (bin/"cqlsh.py").write_env_script libexec/"bin/cqlsh.py", :PYTHONPATH => pypath
  end

  plist_options :manual => "cassandra -f"

  def plist; <<~EOS
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
      <dict>
        <key>KeepAlive</key>
        <true/>
        <key>Label</key>
        <string>#{plist_name}</string>
        <key>ProgramArguments</key>
        <array>
            <string>#{opt_bin}/cassandra</string>
            <string>-f</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>WorkingDirectory</key>
        <string>#{var}/lib/cassandra</string>
      </dict>
    </plist>
    EOS
  end

  test do
    assert_match version.to_s, shell_output("#{bin}/cassandra -v")
    # This is enough to error out if env script is broken/insufficient.
    system bin/"cqlsh", "--version"
  end
end