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#
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Vagrant.configure("2") do |config|
  config.vm.box = "tlcpack/microtvm-arduino-0.18.3"

  if ENV.has_key?("TVM_RVM_NUM_CORES")
    num_cores = ENV["TVM_RVM_NUM_CORES"]
  else
    num_cores = 2
  end

  if ENV.has_key?("TVM_RVM_RAM_BYTES")
    ram_bytes = ENV["TVM_RVM_RAM_BYTES"]
  else
    ram_bytes = 2048
  end

  tvm_home = "../../../.."
  dirs_to_mount = [Pathname.new(Pathname.new(tvm_home).expand_path())]
  if ENV.has_key?("TVM_PROJECT_DIR") then
    dirs_to_mount.append(ENV["TVM_PROJECT_DIR"])
    puts "NOTE: also configuring project dir: %s" % [dirs_to_mount[-1]]
  end

  git_file = Pathname.new(tvm_home + "/.git")
  if git_file.ftype() == "file" then
    gitdir_match = Regexp.new('^gitdir: (?<gitdir>.*/.git).*\n$', Regexp::MULTILINE).match(git_file.read())
    if !gitdir_match.nil? then
      dirs_to_mount.append(Pathname.new(tvm_home).realpath.join(gitdir_match.named_captures["gitdir"]))
      puts "NOTE: also configuring git-worktree gitdir: %s" % [dirs_to_mount[-1]]
    end
  end

  config.vm.provision "shell", path: "provision_setup.sh", env: {"TVM_HOME": dirs_to_mount[0]}, privileged: false

  # Enable USB Controller on VirtualBox
  vm_name = "microtvm-arduino-#{Time.now.tv_sec}"
  config.vm.provider "virtualbox" do |vb, overrides|
    vb.name = vm_name
    vb.cpus = num_cores
    vb.memory = ram_bytes
    vb.customize ["modifyvm", :id, "--usb", "on"]
    vb.customize ["modifyvm", :id, "--usbehci", "on"]
    vb.customize ["modifyvm", :id, "--usbxhci", "on"]
    vb.customize [ "guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-threshold", 10000]
    dirs_to_mount.each do |d|
      overrides.vm.synced_folder d.to_s, d.to_s
    end
  end

end