class Fission::Command::Delete

def execute
  super
  incorrect_arguments if @args.count < 1
  vm = VM.new @args.first
  running_response = vm.running?
  if running_response.successful?
    if running_response.data
      output 'VM is currently running'
      if @options.force
        output 'Going to stop it'
        Command::Stop.new([vm.name]).execute
      else
        output_and_exit "Either stop/suspend the VM or use '--force' and try again.", 1
      end
    end
  else
    output_and_exit "There was an error determining if the VM is running.  The error was:\n#{running_response.message}", running_response.code
  end
  if Fusion.running?
    output 'It looks like the Fusion GUI is currently running'
    if @options.force
      output 'The Fusion metadata for the VM may not be removed completely'
    else
      output "Either exit the Fusion GUI or use '--force' and try again"
      output_and_exit "NOTE: Forcing a VM deletion with the Fusion GUI running may not clean up all of the VM metadata", 1
    end
  end
  delete_response = vm.delete
  if delete_response.successful?
    output ''
    output "Deletion complete!"
  else
    output_and_exit "There was an error deleting the VM.  The error was:\n#{delete_response.message}", delete_response.code
  end
end

def initialize(args=[])
  super
  @options.force = false
end

def option_parser
  optparse = OptionParser.new do |opts|
    opts.banner = "Usage: fission delete TARGET_VM [OPTIONS]"
    opts.separator ''
    opts.separator 'Deletes TARGET_VM.'
    opts.separator ''
    opts.separator 'OPTIONS:'
    opts.on '--force', "Stop the VM if it's running and then delete it" do
      @options.force = true
    end
  end
  optparse
end

def summary
  'Delete a VM'
end