Vagrant.configure(2) do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.provider "virtualbox" do |v|
    host = RbConfig::CONFIG['host_os']

    # Give VM 1/4 system memory
    linux = RUBY_PLATFORM =~ /linux/
    osx = RUBY_PLATFORM =~ /darwin/
    windows = (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil
    if osx
      cpus = `sysctl -n hw.ncpu`.to_i
      mem = `sysctl -n hw.memsize`.to_i / 1024 / 1024
    end
    if linux
      cpus = `nproc`.to_i
      mem = `sed -n -e '/^MemTotal/s/^[^0-9]*//p' /proc/meminfo`.to_i / 1024
    end
    if windows
      cpus = `wmic computersystem get numberofprocessors`.split("\n")[2].to_i
      mem = `wmic OS get TotalVisibleMemorySize`.split("\n")[2].to_i / 1024
    end

    mem = mem / 4
    v.customize ["modifyvm", :id, "--memory", mem]
    v.customize ["modifyvm", :id, "--cpus",  cpus]
  end

  if File.expand_path(File.dirname(__FILE__)).include? "prelert-legacy/vagrant"
    puts "Syncing host's source directory [" + File.expand_path("../") + "] to [/home/vagrant/prelert/src]"
    config.vm.synced_folder "../", "/home/vagrant/prelert/src", mount_options: ["dmode=777,fmode=777"]
  else
    puts "Syncing host's source directory [" + File.expand_path(ENV['PRELERT_SRC_HOME']) + "] to [/home/vagrant/prelert/src] (via $PRELERT_SRC_HOME)"
    config.vm.synced_folder ENV['PRELERT_SRC_HOME'], "/home/vagrant/prelert/src", mount_options: ["dmode=777,fmode=777"]
  end

  config.vm.provision :shell, path: "provision.sh"
end