class Cassandra < Formula
  desc "Eventually consistent, distributed key-value store"
  homepage "https://cassandra.apache.org"
  url "https://www.apache.org/dyn/closer.lua/cassandra/3.9/apache-cassandra-3.9-bin.tar.gz"
  mirror "https://archive.apache.org/dist/cassandra/3.9/apache-cassandra-3.9-bin.tar.gz"
  sha256 "27cf88a6bce1ee2fb1a1c936094b9200ad844414c2b5b1491ba4991fcc0fd693"

  bottle do
    cellar :any_skip_relocation
    sha256 "2c048a66624ea693bcdf76230675e4e777699c8d5afe9f57dfbb9fefb6d796db" => :sierra
    sha256 "9d8bc3478ef69a724a21eaac3cd4ce3321dc57b90c995b5b42b5d07a0985c2f8" => :el_capitan
    sha256 "b81d44d5ce433c625b62ecf1df47d18e769d4680e7e34b08926c412b83112a9c" => :yosemite
  end

  depends_on :python if MacOS.version <= :snow_leopard

  # Only >=Yosemite has new enough setuptools for successful compile of the below deps.
  resource "setuptools" do
    url "https://files.pythonhosted.org/packages/7a/a8/5877fa2cec00f7678618fb465878fd9356858f0894b60c6960364b5cf816/setuptools-24.0.1.tar.gz"
    sha256 "5d3ae6f1cc9f1d3e1fe420c5daaeb8d79059fcb12624f4897d5ed8a9348ee1d2"
  end

  resource "Cython" do
    url "https://files.pythonhosted.org/packages/b1/51/bd5ef7dff3ae02a2c6047aa18d3d06df2fb8a40b00e938e7ea2f75544cac/Cython-0.24.tar.gz"
    sha256 "6de44d8c482128efc12334641347a9c3e5098d807dd3c69e867fa8f84ec2a3f1"
  end

  resource "futures" do
    url "https://files.pythonhosted.org/packages/55/db/97c1ca37edab586a1ae03d6892b6633d8eaa23b23ac40c7e5bbc55423c78/futures-3.0.5.tar.gz"
    sha256 "0542525145d5afc984c88f914a0c85c77527f65946617edb5274f72406f981df"
  end

  resource "six" do
    url "https://files.pythonhosted.org/packages/b3/b2/238e2590826bfdd113244a40d9d3eb26918bd798fc187e2360a8367068db/six-1.10.0.tar.gz"
    sha256 "105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a"
  end

  resource "thrift" do
    url "https://files.pythonhosted.org/packages/ae/58/35e3f0cd290039ff862c2c9d8ae8a76896665d70343d833bdc2f748b8e55/thrift-0.9.3.tar.gz"
    sha256 "dfbc3d3bd19d396718dab05abaf46d93ae8005e2df798ef02e32793cd963877e"
  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/de/d0/38682a3bc9d581444e2106366ceaaa684bff4b2b5977e5f85b6014f7b6cc/cassandra-driver-3.5.0.tar.gz"
    sha256 "924ea4f3458d39fad54eab5e2f0f5b98ccc636d1ee415f869f66c5163d405e0f"
  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.undent
    <?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