require 'yaml'
require 'pathname'
require 'fileutils'

configfile = {
  'boot_timeout' => 600,
  'cachedir' => File.join(ENV['HOME'], '.cache', 'fdroidserver'),
  'cpus' => 1,
  'debian_mirror' => 'https://deb.debian.org/debian/',
  'hwvirtex' => 'on',
  'memory' => 2048,
  'vm_provider' => 'virtualbox',
}

srvpath = Pathname.new(File.dirname(__FILE__)).realpath
configpath = File.join(srvpath, "/Vagrantfile.yaml")
if File.exists? configpath
  c = YAML.load_file(configpath)
  if c and not c.empty?
    c.each do |k,v|
      configfile[k] = v
    end
  end
else
  puts "Copying example file to #{configpath}"
  FileUtils.cp('../examples/Vagrantfile.yaml', configpath)
end

Vagrant.configure("2") do |config|

  if Vagrant.has_plugin?("vagrant-cachier")
    config.cache.scope = :box
    config.cache.auto_detect = false
    config.cache.enable :apt
    config.cache.enable :chef
  end

  config.vm.box = "fdroid/bullseye64"

  if not configfile.has_key? "vm_provider" or configfile["vm_provider"] == "virtualbox"
    # default to VirtualBox if not set
    config.vm.provider "virtualbox" do |v|
      v.customize ["modifyvm", :id, "--memory", configfile['memory']]
      v.customize ["modifyvm", :id, "--cpus", configfile['cpus']]
      v.customize ["modifyvm", :id, "--hwvirtex", configfile['hwvirtex']]
    end
    synced_folder_type = 'virtualbox'
  elsif configfile["vm_provider"] == "libvirt"
    # use KVM/QEMU if this is running in KVM/QEMU
    config.vm.provider :libvirt do |libvirt|
      libvirt.driver = configfile["hwvirtex"] == "on" ? "kvm" : "qemu"
      libvirt.host = "localhost"
      libvirt.uri = "qemu:///system"
      libvirt.cpus = configfile["cpus"]
      libvirt.memory = configfile["memory"]
      if configfile.has_key? "libvirt_disk_bus"
        libvirt.disk_bus = configfile["libvirt_disk_bus"]
      end
      if configfile.has_key? "libvirt_nic_model_type"
        libvirt.nic_model_type = configfile["libvirt_nic_model_type"]
      end
    end
    if configfile.has_key? "synced_folder_type"
      synced_folder_type = configfile["synced_folder_type"]
    else
      synced_folder_type = '9p'
    end
    config.vm.synced_folder './', '/vagrant', type: synced_folder_type,
                            SharedFoldersEnableSymlinksCreate: false
  else
    abort("No supported VM Provider found, set vm_provider in Vagrantfile.yaml!")
  end

  config.vm.boot_timeout = configfile['boot_timeout']

  if configfile.has_key? "aptproxy"
    config.vm.provision :shell, path: "provision-apt-proxy",
      args: [configfile["aptproxy"]]
  end

  config.vm.synced_folder configfile["cachedir"], '/vagrant/cache',
                          create: true, type: synced_folder_type

  # Make sure dir exists to mount to, since buildserver/ is
  # automatically mounted as /vagrant in the guest VM. This is more
  # necessary with 9p synced folders
  Dir.mkdir('cache') unless File.exists?('cache')

  config.vm.provision "shell", name: "setup-env-vars", path: "setup-env-vars",
    args: ["/opt/android-sdk"]
  config.vm.provision "shell", name: "apt-get-install", path: "provision-apt-get-install",
    args: [configfile['debian_mirror']]
  config.vm.provision "shell", name: "android-sdk", path: "provision-android-sdk"
  config.vm.provision "shell", name: "android-ndk", path: "provision-android-ndk",
    args: ["/opt/android-sdk/ndk"]
  config.vm.provision "shell", name: "gradle", path: "provision-gradle"
  config.vm.provision "shell", name: "disable-analytics", path: "provision-disable-analytics"
  config.vm.provision "shell", name: "buildserverid", path: "provision-buildserverid",
    args: [`git rev-parse HEAD`]

end
