# =============================================================================
# A set of rake tasks for invoking the SwitchTower automation utility.
# =============================================================================
desc "Figure out the correct switchtower to call based on platform"
task :switchtower_command  do
  if File::ALT_SEPARATOR
    ENV["switchtower_app"] = "switchtower.cmd"
  else
    ENV["switchtower_app"] = "switchtower"
  end
end

desc "Push the latest revision into production using the release manager"
task :deploy => [:switchtower_command] do
  system "#{ENV["switchtower_app"]} -vvvv -r config/deploy -a deploy"
end

desc "Rollback to the release before the current release in production"
task :rollback => [:switchtower_command] do
  system "#{ENV["switchtower_app"]} -vvvv -r config/deploy -a rollback"
end

desc "Describe the differences between HEAD and the last production release"
task :diff_from_last_deploy => [:switchtower_command] do
  system "#{ENV["switchtower_app"]} -vvvv -r config/deploy -a diff_from_last_deploy"
end

desc "Enumerate all available deployment tasks"
task :show_deploy_tasks => [:switchtower_command] do
  system "#{ENV["switchtower_app"]} -r config/deploy -a show_tasks"
end

desc "Execute a specific action using the release manager"
task :remote_exec => [:switchtower_command]  do
  unless ENV['ACTION']
    raise "Please specify an action (or comma separated list of actions) via the ACTION environment variable"
  end

  actions = ENV['ACTION'].split(",").map { |a| "-a #{a}" }.join(" ")
  system "#{ENV["switchtower_app"]} -vvvv -r config/deploy #{actions}"
end