task default: [:install]
ConfigPath = (ENV["XDG_DATA_HOME"] or ENV["HOME"]+'/.config')

desc "Copy files to .config"
file "copy-config" => ["rc.lua"] do
  sh "mkdir -p #{ConfigPath}/awesome"
  ["libs","modules","themes","widgets","rc.lua","desktop.conf"].each { |x|
    cp_r "./#{x}" "#{ConfigPath}/awesome"
  }
end

desc "Compile and install luapam"
file "build-luapam" => "#{ConfigPath}/libs/pam.so" do
  sh "sh ./extra/install_luapam.sh"
end

desc "Install config"
task install: ["copy-config","build-luapam"]

desc "Build documentation"
task :doc do
  sh "ldoc ./.ldoc.lua"
end

desc "Install extras"
task "install-extra" do
  if Process.euid != 0
    raise Exception, "You need to be root to install extras" 
  end
  cp "./extra/udev/backlight.rules" "/etc/udev/rules.d"
  mkdir "#{ConfigPath}/autostart"
  begin
    cp "/usr/share/applications/picom.desktop" "#{ConfigPath}/autostart/"
  rescue 
    puts "picom not installed - ignoring"
  else 
    cp "./extra/picom.conf" "#{ConfigPath}"
  end
  puts "Done! Reload awesome to complete installation"
end

desc "Uninstall from .config"
task :clean do
  rm_rf "#{ConfigPath}/awesome"
end 

desc "Wipe configuration and reinstall from scratch"
task reinstall: [:clean,:install]