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/3.11.4/apache-cassandra-3.11.4-bin.tar.gz"
  sha256 "5d598e23c3ffc4db0301ec2b313061e3208fae0f9763d4b47888237dd9069987"

  bottle do
    cellar :any_skip_relocation
    sha256 "d3095afa053d64cb3c7f02e193df760029c0b475c7b9de2fab1531370d30ae94" => :mojave
    sha256 "b85177946477a400d6bbfa2cf0cae6536542657055167a833b2752657044378a" => :high_sierra
    sha256 "11de972c00c4b627e7c58de7b0645c4ef76ded64a31a88ccb8e3fc0b4c0da833" => :sierra
  end

  depends_on "cython"
  depends_on "python"

  # Only >=Yosemite has new enough setuptools for successful compile of the below deps.
  resource "setuptools" do
    url "https://files.pythonhosted.org/packages/c2/f7/c7b501b783e5a74cf1768bc174ee4fb0a8a6ee5af6afa92274ff964703e0/setuptools-40.8.0.zip"
    sha256 "6e4eec90337e849ade7103723b9a99631c1f0d19990d6e8412dc42f5ae8b304d"
  end

  resource "futures" do
    url "https://files.pythonhosted.org/packages/1f/9e/7b2ff7e965fc654592269f2906ade1c7d705f1bf25b7d469fa153f7d19eb/futures-3.2.0.tar.gz"
    sha256 "9ec02aa7d674acb8618afb127e27fde7fc68994c0437ad759fa094a574adb265"
  end

  resource "six" do
    url "https://files.pythonhosted.org/packages/dd/bf/4138e7bfb757de47d1f4b6994648ec67a51efe58fa907c1e11e350cddfca/six-1.12.0.tar.gz"
    sha256 "d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
  end

  resource "thrift" do
    url "https://files.pythonhosted.org/packages/c6/b4/510617906f8e0c5660e7d96fbc5585113f83ad547a3989b80297ac72a74c/thrift-0.11.0.tar.gz"
    sha256 "7d59ac4fdcb2c58037ebd4a9da5f9a49e3e034bf75b3f26d9fe48ba3d8806e6b"
  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/31/07/2423f77878559593ef17175ef2e0372dc91994368b15c6a47fca40b416ea/cassandra-driver-3.16.0.tar.gz"
    sha256 "42bcb167a90da6604081872ef609a327a63273842da81120fc462de031155abe"
  end

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

    xy = Language::Python.major_minor_version "python3"
    pypath = libexec/"vendor/lib/python#{xy}/site-packages"
    ENV.prepend_create_path "PYTHONPATH", pypath
    resources.each do |r|
      r.stage do
        system "python3", *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")

    output = shell_output("#{bin}/cqlsh localhost 2>&1", 1)
    assert_match "Connection error", output
  end
end