class Mosquitto < Formula
  desc "Message broker implementing MQ telemetry transport protocol"
  homepage "https://mosquitto.org/"
  url "https://mosquitto.org/files/source/mosquitto-1.4.7.tar.gz"
  sha256 "71a1cb37893403e00b7db85c5db4af50b40d055ce61e5d21092c2594f2023b8b"

  bottle do
    sha256 "6a1e0d15e09b6dbde0c82f4da3fcd1de537ca0b9e043202428e07ab3d99b3e1e" => :el_capitan
    sha256 "91bc6b949e3416cf931cf19999486c225b85722f448ed0feaf15bf268ed24073" => :yosemite
    sha256 "3f5e1edf5f3cd65f970f2778acf4e7eb50ff86a7a3514d6b20daf96821479737" => :mavericks
  end

  depends_on "pkg-config" => :build
  depends_on "cmake" => :build
  depends_on "c-ares"
  depends_on "openssl"
  depends_on "libwebsockets" => :recommended

  def install
    args = std_cmake_args
    args << "-DWITH_WEBSOCKETS=ON" if build.with? "libwebsockets"

    system "cmake", ".", *args
    system "make", "install"
  end

  def post_install
    (var/"mosquitto").mkpath
  end

  def caveats; <<-EOS.undent
    mosquitto has been installed with a default configuration file.
    You can make changes to the configuration by editing:
        #{etc}/mosquitto/mosquitto.conf
    EOS
  end

  plist_options :manual => "mosquitto -c #{HOMEBREW_PREFIX}/etc/mosquitto/mosquitto.conf"

  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>Label</key>
      <string>#{plist_name}</string>
      <key>ProgramArguments</key>
      <array>
        <string>#{opt_sbin}/mosquitto</string>
        <string>-c</string>
        <string>#{etc}/mosquitto/mosquitto.conf</string>
      </array>
      <key>RunAtLoad</key>
      <true/>
      <key>KeepAlive</key>
      <false/>
      <key>WorkingDirectory</key>
      <string>#{var}/mosquitto</string>
    </dict>
    </plist>
    EOS
  end

  test do
    quiet_system "#{sbin}/mosquitto", "-h"
    assert_equal 3, $?.exitstatus
  end
end