// Deletes an image by id
func deleteImage(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "image delete <path>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	if confirmed(utils.IsNonInteractive(c)) {
		client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
		if err != nil {
			return err
		}

		deleteTask, err := client.Esxclient.Images.Delete(id)
		if err != nil {
			return err
		}

		_, err = waitOnTaskOperation(deleteTask.ID, c)
		if err != nil {
			return err
		}
	} else {
		fmt.Println("OK, canceled")
	}

	return nil
}

func setDefaultNetwork(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "network set-default <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	task, err := client.Esxclient.Subnets.SetDefault(id)
	if err != nil {
		return err
	}

	if confirmed(utils.IsNonInteractive(c)) {
		id, err := waitOnTaskOperation(task.ID, c)
		if err != nil {
			return err
		}

		if utils.NeedsFormatting(c) {
			network, err := client.Esxclient.Subnets.Get(id)
			if err != nil {
				return err
			}
			utils.FormatObject(network, w, c)
		}
	} else {
		fmt.Println("OK. Canceled")
	}
	return nil
}

// Sends a "resize cluster" request to the API client based on the cli.Context
// Returns an error if one occurred
func resizeCluster(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 2, "cluster resize <id> <new worker count> [<options>]")
	if err != nil {
		return err
	}

	cluster_id := c.Args()[0]
	worker_count_string := c.Args()[1]
	worker_count, err := strconv.Atoi(worker_count_string)
	wait_for_ready := c.IsSet("wait-for-ready")

	if len(cluster_id) == 0 || err != nil || worker_count <= 0 {
		return fmt.Errorf("Provide a valid cluster ID and worker count")
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	if !utils.IsNonInteractive(c) {
		fmt.Printf("\nResizing cluster %s to worker count %d\n", cluster_id, worker_count)
	}

	if confirmed(utils.IsNonInteractive(c)) {
		resizeSpec := photon.ClusterResizeOperation{}
		resizeSpec.NewWorkerCount = worker_count
		resizeTask, err := client.Esxclient.Clusters.Resize(cluster_id, &resizeSpec)
		if err != nil {
			return err
		}

		_, err = waitOnTaskOperation(resizeTask.ID, c)
		if err != nil {
			return err
		}

		if wait_for_ready {
			cluster, err := waitForCluster(cluster_id)
			if err != nil {
				return err
			}
			if utils.NeedsFormatting(c) {
				utils.FormatObject(cluster, w, c)
			} else {
				fmt.Printf("Cluster %s is ready\n", cluster.ID)
			}
		} else {
			fmt.Println("Note: A background task is running to gradually resize the cluster to its target capacity.")
			fmt.Printf("You may continue to use the cluster. You can run 'cluster show %s'\n", resizeTask.Entity.ID)
			fmt.Println("to see the state of the cluster. If the resize operation is still in progress, the cluster state")
			fmt.Println("will show as RESIZING. Once the cluster is resized, the cluster state will show as READY.")
		}
	} else {
		fmt.Println("Cancelled")
	}

	return nil
}

// Shows an image based on id
func showImage(c *cli.Context, w io.Writer) error {
	id := c.Args().First()

	if !utils.IsNonInteractive(c) {
		var err error
		id, err = askForInput("Image id: ", id)
		if err != nil {
			return err
		}
	}

	if len(id) == 0 {
		return fmt.Errorf("Please provide image id")
	}

	var err error
	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	image, err := client.Esxclient.Images.Get(id)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		settings := []string{}
		for _, setting := range image.Settings {
			settings = append(settings, fmt.Sprintf("%s:%s", setting.Name, setting.DefaultValue))
		}
		scriptSettings := strings.Join(settings, ",")
		fmt.Printf("%s\t%s\t%s\t%d\t%s\t%s\t%s\t%s\n", image.ID, image.Name, image.State, image.Size, image.ReplicationType,
			image.ReplicationProgress, image.SeedingProgress, scriptSettings)

	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(image, w, c)
	} else {
		fmt.Printf("Image ID: %s\n", image.ID)
		fmt.Printf("  Name:                       %s\n", image.Name)
		fmt.Printf("  State:                      %s\n", image.State)
		fmt.Printf("  Size:                       %d Byte(s)\n", image.Size)
		fmt.Printf("  Image Replication Type:     %s\n", image.ReplicationType)
		fmt.Printf("  Image Replication Progress: %s\n", image.ReplicationProgress)
		fmt.Printf("  Image Seeding Progress:     %s\n", image.SeedingProgress)
		fmt.Printf("  Settings: \n")
		for _, setting := range image.Settings {
			fmt.Printf("    %s : %s\n", setting.Name, setting.DefaultValue)
		}
	}

	return nil
}

// Sends a create availability-zone task to client based on the cli.Context
// Returns an error if one occurred
func createAvailabilityZone(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 0, "availability-zone create [<options>]")
	if err != nil {
		return err
	}
	name := c.String("name")

	if !utils.IsNonInteractive(c) {
		var err error
		name, err = askForInput("AvailabilityZone name: ", name)
		if err != nil {
			return err
		}
	}

	if len(name) == 0 {
		return fmt.Errorf("Please provide availability zone name")
	}

	azSpec := &photon.AvailabilityZoneCreateSpec{
		Name: name,
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	createTask, err := client.Esxclient.AvailabilityZones.Create(azSpec)
	if err != nil {
		return err
	}

	id, err := waitOnTaskOperation(createTask.ID, c)
	if err != nil {
		return err
	}

	if utils.NeedsFormatting(c) {
		zone, err := client.Esxclient.AvailabilityZones.Get(id)
		if err != nil {
			return err
		}
		utils.FormatObject(zone, w, c)
	}

	return nil
}

func showNetwork(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "network show <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	network, err := client.Esxclient.Subnets.Get(id)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		portGroups := getCommaSeparatedStringFromStringArray(network.PortGroups)
		fmt.Printf("%s\t%s\t%s\t%s\t%s\t%t\n", network.ID, network.Name, network.State, portGroups,
			network.Description, network.IsDefault)
	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(network, w, c)
	} else {
		fmt.Printf("Network ID: %s\n", network.ID)
		fmt.Printf("  Name:        %s\n", network.Name)
		fmt.Printf("  State:       %s\n", network.State)
		fmt.Printf("  Description: %s\n", network.Description)
		fmt.Printf("  Port Groups: %s\n", network.PortGroups)
		fmt.Printf("  Is Default: %t\n", network.IsDefault)
	}

	return nil
}

// Retrieves availability zone against specified id.
func showAvailabilityZone(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "availability-zone show <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	zone, err := client.Esxclient.AvailabilityZones.Get(id)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		fmt.Printf("%s\t%s\t%s\t%s\n", zone.ID, zone.Name, zone.Kind, zone.State)
	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(zone, w, c)
	} else {
		fmt.Printf("AvailabilityZone ID: %s\n", zone.ID)
		fmt.Printf("  Name:        %s\n", zone.Name)
		fmt.Printf("  Kind:        %s\n", zone.Kind)
		fmt.Printf("  State:       %s\n", zone.State)
	}

	return nil
}

// Set host's availability zone with the specified host ID, returns an error if one occurred
func setHostAvailabilityZone(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 2, "host set-availability-zone <id> <availability-zone-id>")
	if err != nil {
		return err
	}
	id := c.Args().First()
	availabilityZoneId := c.Args()[1]

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	setAvailabilityZoneSpec := photon.HostSetAvailabilityZoneOperation{}
	setAvailabilityZoneSpec.AvailabilityZoneId = availabilityZoneId
	setTask, err := client.Esxclient.Hosts.SetAvailabilityZone(id, &setAvailabilityZoneSpec)
	if err != nil {
		return err
	}
	id, err = waitOnTaskOperation(setTask.ID, c)
	if err != nil {
		return err
	}
	if utils.NeedsFormatting(c) {
		host, err := client.Esxclient.Hosts.Get(id)
		if err != nil {
			return err
		}
		utils.FormatObject(host, w, c)
	}

	return nil
}

// Sends a delete tenant task to client based on the cli.Context
// Returns an error if one occurred
func deleteTenant(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "tenant delete <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	deleteTask, err := client.Esxclient.Tenants.Delete(id)
	if err != nil {
		return err
	}

	_, err = waitOnTaskOperation(deleteTask.ID, c)
	if err != nil {
		return err
	}

	err = clearConfigTenant(id)
	if err != nil {
		return err
	}

	return nil
}

// Set security groups for a tenant
func setSecurityGroups(c *cli.Context) error {
	err := checkArgNum(c.Args(), 2, "tenant set_security_groups <id> <comma-separated security group names>")
	if err != nil {
		return err
	}
	id := c.Args().First()
	items := []string{}
	if c.Args()[1] != "" {
		items = regexp.MustCompile(`\s*,\s*`).Split(c.Args()[1], -1)
	}
	securityGroups := &photon.SecurityGroupsSpec{
		Items: items,
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	task, err := client.Esxclient.Tenants.SetSecurityGroups(id, securityGroups)
	if err != nil {
		return err
	}

	_, err = waitOnTaskOperation(task.ID, c)
	if err != nil {
		return err
	}

	return nil
}

// List all the hosts in the current deployment
// This uses the same back-end code as "deployments list-hosts", but we look up the
// deployment ID so that users don't have to specify it. In most or all installations,
// there will not be more than one deployment ID.
func listHosts(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 0, "host list")
	if err != nil {
		return err
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	// Find the current deployment
	deployments, err := client.Esxclient.Deployments.GetAll()
	if err != nil {
		return err
	}
	numDeployments := len(deployments.Items)
	if numDeployments == 0 {
		return fmt.Errorf("There are no deployments, so the hosts cannot be listed.")
	} else if numDeployments > 1 {
		return fmt.Errorf("There are multiple deployments, which normally should not happen. Use deployments list-hosts.")
	}
	id := deployments.Items[0].ID

	hosts, err := client.Esxclient.Deployments.GetHosts(id)
	if err != nil {
		return err
	}

	err = printHostList(hosts.Items, w, c)
	if err != nil {
		return err
	}
	return nil
}

func deleteNetwork(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "network delete <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	task, err := client.Esxclient.Subnets.Delete(id)
	if err != nil {
		return err
	}

	if confirmed(c.GlobalIsSet("non-interactive")) {
		_, err = waitOnTaskOperation(task.ID, c)
		if err != nil {
			return err
		}
	} else {
		fmt.Println("OK. Canceled")
	}
	return nil
}

// Retrieves tasks from specified flavor
func getFlavorTasks(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "flavor tasks <id> [<options>]")
	if err != nil {
		return err
	}
	id := c.Args().First()

	state := c.String("state")
	options := &photon.TaskGetOptions{
		State: state,
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	taskList, err := client.Esxclient.Flavors.GetTasks(id, options)
	if err != nil {
		return err
	}

	err = printTaskList(taskList.Items, c)
	if err != nil {
		return err
	}
	return nil
}

// Retrieves a list of projects, returns an error if one occurred
func listProjects(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 0, "project list [<options>]")
	if err != nil {
		return err
	}
	tenantName := c.String("tenant")

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	tenant, err := verifyTenant(tenantName)
	if err != nil {
		return err
	}

	projects, err := client.Esxclient.Tenants.GetProjects(tenant.ID, nil)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		for _, t := range projects.Items {
			limits := quotaLineItemListToString(t.ResourceTicket.Limits)
			usage := quotaLineItemListToString(t.ResourceTicket.Usage)
			fmt.Printf("%s\t%s\t%s\t%s\n", t.ID, t.Name, limits, usage)
		}
	} else if utils.NeedsFormatting(c) {
		utils.FormatObjects(projects.Items, w, c)
	} else {
		w := new(tabwriter.Writer)
		w.Init(os.Stdout, 4, 4, 2, ' ', 0)
		fmt.Fprintf(w, "ID\tName\tLimit\tUsage\n")
		for _, t := range projects.Items {
			rt := t.ResourceTicket
			for i := 0; i < len(rt.Limits); i++ {
				if i == 0 {
					fmt.Fprintf(w, "%s\t%s\t%s %g %s\t%s %g %s\n", t.ID, t.Name,
						rt.Limits[i].Key, rt.Limits[i].Value, rt.Limits[i].Unit,
						rt.Usage[i].Key, rt.Usage[i].Value, rt.Usage[i].Unit)
				} else {
					fmt.Fprintf(w, "\t\t%s %g %s\t%s %g %s\n",
						rt.Limits[i].Key, rt.Limits[i].Value, rt.Limits[i].Unit,
						rt.Usage[i].Key, rt.Usage[i].Value, rt.Usage[i].Unit)
				}
			}
			for i := len(rt.Limits); i < len(rt.Usage); i++ {
				fmt.Fprintf(w, "\t\t\t%s %g %s\n", rt.Usage[i].Key, rt.Usage[i].Value, rt.Usage[i].Unit)
			}
		}
		err := w.Flush()
		if err != nil {
			return err
		}
		fmt.Printf("\nTotal projects: %d\n", len(projects.Items))
	}
	return nil
}

// Show project info with the specified project id, returns an error if one occurred
func showProject(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "project show <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	project, err := client.Esxclient.Projects.Get(id)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		securityGroups := []string{}
		for _, s := range project.SecurityGroups {
			securityGroups = append(securityGroups, fmt.Sprintf("%s:%t", s.Name, s.Inherited))
		}
		scriptSecurityGroups := strings.Join(securityGroups, ",")
		limits := quotaLineItemListToString(project.ResourceTicket.Limits)
		usages := quotaLineItemListToString(project.ResourceTicket.Usage)

		fmt.Printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n", project.ID, project.Name, project.ResourceTicket.TenantTicketID,
			project.ResourceTicket.TenantTicketName, limits, usages, scriptSecurityGroups)
	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(project, w, c)
	} else {
		w := new(tabwriter.Writer)
		w.Init(os.Stdout, 4, 4, 2, ' ', 0)
		fmt.Fprintf(w, "Project ID: %s\n", project.ID)
		fmt.Fprintf(w, "  Name: %s\n", project.Name)
		fmt.Fprintf(w, "  TenantTicketID: %s\n", project.ResourceTicket.TenantTicketID)
		fmt.Fprintf(w, "    TenantTicketName: %s\n", project.ResourceTicket.TenantTicketName)
		fmt.Fprintf(w, "    Limits:\n")
		for _, l := range project.ResourceTicket.Limits {
			fmt.Fprintf(w, "      %s\t%g\t%s\n", l.Key, l.Value, l.Unit)
		}
		fmt.Fprintf(w, "    Usage:\n")
		for _, u := range project.ResourceTicket.Usage {
			fmt.Fprintf(w, "      %s\t%g\t%s\n", u.Key, u.Value, u.Unit)
		}
		if len(project.SecurityGroups) != 0 {
			fmt.Fprintf(w, "  SecurityGroups:\n")
			for _, s := range project.SecurityGroups {
				fmt.Fprintf(w, "    %s\t%t\n", s.Name, s.Inherited)
			}
		}
		err = w.Flush()
		if err != nil {
			return err
		}
	}
	return nil
}

// Sends a "show cluster" request to the API client based on the cli.Context
// Returns an error if one occurred
func showCluster(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "cluster show <id>")
	if err != nil {
		return err
	}
	id := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	cluster, err := client.Esxclient.Clusters.Get(id)
	if err != nil {
		return err
	}

	vms, err := client.Esxclient.Clusters.GetVMs(id)
	if err != nil {
		return err
	}

	var master_vms []photon.VM
	for _, vm := range vms.Items {
		for _, tag := range vm.Tags {
			if strings.Count(tag, ":") == 2 && !strings.Contains(strings.ToLower(tag), "worker") {
				master_vms = append(master_vms, vm)
				break
			}
		}
	}

	if c.GlobalIsSet("non-interactive") {
		extendedProperties := strings.Trim(strings.TrimLeft(fmt.Sprint(cluster.ExtendedProperties), "map"), "[]")
		fmt.Printf("%s\t%s\t%s\t%s\t%d\t%s\n", cluster.ID, cluster.Name, cluster.State, cluster.Type,
			cluster.WorkerCount, extendedProperties)
	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(cluster, w, c)
	} else {
		fmt.Println("Cluster ID:            ", cluster.ID)
		fmt.Println("  Name:                ", cluster.Name)
		fmt.Println("  State:               ", cluster.State)
		fmt.Println("  Type:                ", cluster.Type)
		fmt.Println("  Worker count:        ", cluster.WorkerCount)
		fmt.Println("  Extended Properties: ", cluster.ExtendedProperties)
		fmt.Println()
	}

	err = printClusterVMs(master_vms, c.GlobalIsSet("non-interactive"))
	if err != nil {
		return err
	}

	return nil
}

// Sends a show resource-ticket task to client based on the cli.Context
// Returns an error if one occurred
func showResourceTicket(c *cli.Context, w io.Writer) error {
	err := checkArgNum(c.Args(), 1, "resource-ticket show <name> [<options>]")
	if err != nil {
		return err
	}
	name := c.Args().First()
	tenantName := c.String("tenant")

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	tenant, err := verifyTenant(tenantName)
	if err != nil {
		return err
	}

	rt, err := findResourceTicket(tenant.ID, name)
	if err != nil {
		return err
	}

	if c.GlobalIsSet("non-interactive") {
		usage := quotaLineItemListToString(rt.Usage)
		limits := quotaLineItemListToString(rt.Limits)
		fmt.Printf("%s\t%s\t%s\t%s\n", rt.Name, rt.ID, limits, usage)
	} else if utils.NeedsFormatting(c) {
		utils.FormatObject(rt, w, c)
	} else {
		w := new(tabwriter.Writer)
		w.Init(os.Stdout, 4, 4, 2, ' ', 0)
		fmt.Fprintf(w, "ID\tName\tLimit\tUsage\n")
		for i := 0; i < len(rt.Limits); i++ {
			if i == 0 {
				fmt.Fprintf(w, "%s\t%s\t%s %g %s\t%s %g %s\n", rt.ID, rt.Name,
					rt.Limits[i].Key, rt.Limits[i].Value, rt.Limits[i].Unit,
					rt.Usage[i].Key, rt.Usage[i].Value, rt.Usage[i].Unit)
			} else {
				fmt.Fprintf(w, "\t\t%s %g %s\t%s %g %s\n",
					rt.Limits[i].Key, rt.Limits[i].Value, rt.Limits[i].Unit,
					rt.Usage[i].Key, rt.Usage[i].Value, rt.Usage[i].Unit)
			}
		}
		err := w.Flush()
		if err != nil {
			return err
		}
	}

	return nil
}

// Overwrites the tenant in the config file
func setTenant(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "tenant set <name>")
	if err != nil {
		return err
	}
	name := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	// Ensure tenant exists
	id, err := findTenantID(name)
	if len(id) == 0 || err != nil {
		return err
	}

	config, err := cf.LoadConfig()
	if err != nil {
		return err
	}

	config.Tenant = &cf.TenantConfiguration{Name: name, ID: id}
	err = cf.SaveConfig(config)
	if err != nil {
		return err
	}

	err = clearConfigProject("")
	if err != nil {
		return err
	}

	if !utils.IsNonInteractive(c) {
		fmt.Printf("Tenant set to '%s'\n", name)
	}
	return nil
}

// Set project name and id to config file
// Returns an error if one occurred
func setProject(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "project set <project name>")
	if err != nil {
		return err
	}
	name := c.Args().First()

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	config, err := cf.LoadConfig()
	if err != nil {
		return err
	}

	if config == nil || config.Tenant == nil {
		return fmt.Errorf("Error: Set tenant first using 'tenant set <name>' or '-t <name>' option")
	}

	project, err := findProject(config.Tenant.ID, name)
	if err != nil {
		return err
	}

	config.Project = &cf.ProjectConfiguration{Name: project.Name, ID: project.ID}
	err = cf.SaveConfig(config)
	if err != nil {
		return err
	}

	if !utils.IsNonInteractive(c) {
		fmt.Printf("Project set to '%s'\n", name)
	}

	return nil
}

// Sends a "delete cluster" request to the API client based on the cli.Context
// Returns an error if one occurred
func deleteCluster(c *cli.Context) error {
	err := checkArgNum(c.Args(), 1, "cluster delete <id>")
	if err != nil {
		return nil
	}

	cluster_id := c.Args().First()

	if len(cluster_id) == 0 {
		return fmt.Errorf("Please provide a valid cluster ID")
	}

	client.Esxclient, err = client.GetClient(utils.IsNonInteractive(c))
	if err != nil {
		return err
	}

	if !utils.IsNonInteractive(c) {
		fmt.Printf("\nDeleting cluster %s\n", cluster_id)
	}

	if confirmed(utils.IsNonInteractive(c)) {
		deleteTask, err := client.Esxclient.Clusters.Delete(cluster_id)
		if err != nil {
			return err
		}

		_, err = waitOnTaskOperation(deleteTask.ID, c)
		if err != nil {
			return err
		}
	} else {
		fmt.Println("Cancelled")
	}

	return nil
}