module Fog
  module Vsphere
    class Compute
      class Real
        # NOTE: you must be using vsphere_rev 5.0 or greater to use this functionality
        # e.g. Fog::Compute.new(provider: "vsphere", vsphere_rev: "5.5", etc)
        # * options<~Hash>:
        #   * 'instance_uuid'<~String> - *REQUIRED* the instance uuid you would like to operate on
        #   * 'command'<~String> *REQUIRED* the command to execute
        #   * 'args'<~String> arguments to pass the command
        #   * 'working_dir'<~String> path to the working directory
        #   * 'user'<~String> *REQUIRED* the ssh username you would like to login as
        #   * 'password'<~String> *REQUIRED* the ssh password for the user you would like to log in as
        def vm_execute(options = {})
          raise ArgumentError, 'instance_uuid is a required parameter' unless options.key? 'instance_uuid'
          raise ArgumentError, 'command is a required parameter' unless options.key? 'command'
          raise ArgumentError, 'user is a required parameter' unless options.key? 'user'
          raise ArgumentError, 'password is a required parameter' unless options.key? 'password'

          search_filter = { :uuid => options['instance_uuid'], 'vmSearch' => true, 'instanceUuid' => true }
          vm_mob_ref = connection.searchIndex.FindAllByUuid(search_filter).first

          auth = RbVmomi::VIM::NamePasswordAuthentication(interactiveSession: false,
                                                          username: options['user'],
                                                          password: options['password'])

          spec = RbVmomi::VIM::GuestProgramSpec(programPath: options['command'],
                                                arguments: options['args'],
                                                workingDirectory: options['working_dir'])

          gom = connection.serviceContent.guestOperationsManager
          gom.processManager.StartProgramInGuest(vm: vm_mob_ref, auth: auth, spec: spec)
        end
      end

      class Mock
        def vm_execute(options = {})
          raise ArgumentError, 'instance_uuid is a required parameter' unless options.key? 'instance_uuid'
          raise ArgumentError, 'command is a required parameter' unless options.key? 'command'
          raise ArgumentError, 'user is a required parameter' unless options.key? 'user'
          raise ArgumentError, 'password is a required parameter' unless options.key? 'password'
          12_345
        end
      end
    end
  end
end