cli

var CreateNamespaceCmd = &cobra.Command{
	Use:   "create NAME",
	Short: "Creates a new namespace",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 1 {
			return fmt.Errorf("Missing parameters")
		}
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		o, _ := cmd.Flags().GetString("output")
		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		namespace, err := h.CreateNamespace(args[0])
		if strings.HasPrefix(o, "json") {
			JsonOutput(namespace, err, o)
			return
		}
		if err != nil {
			fmt.Printf("Error creating namespace: %s\n", err)
			return
		}
		fmt.Printf("Namespace created\n")
	},
}

var CreatePreAuthKeyCmd = &cobra.Command{
	Use:   "create",
	Short: "Creates a new preauthkey in the specified namespace",
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		reusable, _ := cmd.Flags().GetBool("reusable")
		ephemeral, _ := cmd.Flags().GetBool("ephemeral")

		e, _ := cmd.Flags().GetString("expiration")
		var expiration *time.Time
		if e != "" {
			duration, err := durafmt.ParseStringShort(e)
			if err != nil {
				log.Fatalf("Error parsing expiration: %s", err)
			}
			exp := time.Now().UTC().Add(duration.Duration())
			expiration = &exp
		}

		k, err := h.CreatePreAuthKey(n, reusable, ephemeral, expiration)
		if strings.HasPrefix(o, "json") {
			JsonOutput(k, err, o)
			return
		}
		if err != nil {
			fmt.Println(err)
			return
		}
		fmt.Printf("Key: %s\n", k.Key)
	},
}

var DestroyNamespaceCmd = &cobra.Command{
	Use:   "destroy NAME",
	Short: "Destroys a namespace",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 1 {
			return fmt.Errorf("Missing parameters")
		}
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		o, _ := cmd.Flags().GetString("output")
		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		err = h.DestroyNamespace(args[0])
		if strings.HasPrefix(o, "json") {
			JsonOutput(map[string]string{"Result": "Namespace destroyed"}, err, o)
			return
		}
		if err != nil {
			fmt.Printf("Error destroying namespace: %s\n", err)
			return
		}
		fmt.Printf("Namespace destroyed\n")
	},
}

var EnableRouteCmd = &cobra.Command{
	Use:   "enable node-name route",
	Short: "Allows exposing a route declared by this node to the rest of the nodes",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 2 {
			return fmt.Errorf("Missing parameters")
		}
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		route, err := h.EnableNodeRoute(n, args[0], args[1])
		if strings.HasPrefix(o, "json") {
			JsonOutput(route, err, o)
			return
		}

		if err != nil {
			fmt.Println(err)
			return
		}
		fmt.Printf("Enabled route %s\n", route)
	},
}

var ListNamespacesCmd = &cobra.Command{
	Use:   "list",
	Short: "List all the namespaces",
	Run: func(cmd *cobra.Command, args []string) {
		o, _ := cmd.Flags().GetString("output")
		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		namespaces, err := h.ListNamespaces()
		if strings.HasPrefix(o, "json") {
			JsonOutput(namespaces, err, o)
			return
		}
		if err != nil {
			fmt.Println(err)
			return
		}
		fmt.Printf("ID\tName\n")
		for _, n := range *namespaces {
			fmt.Printf("%d\t%s\n", n.ID, n.Name)
		}
	},
}

var ListNodesCmd = &cobra.Command{
	Use:   "list",
	Short: "List the nodes in a given namespace",
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		machines, err := h.ListMachinesInNamespace(n)
		if strings.HasPrefix(o, "json") {
			JsonOutput(machines, err, o)
			return
		}

		if err != nil {
			log.Fatalf("Error getting nodes: %s", err)
		}

		fmt.Printf("name\t\tlast seen\t\tephemeral\n")
		for _, m := range *machines {
			var ephemeral bool
			if m.AuthKey != nil && m.AuthKey.Ephemeral {
				ephemeral = true
			}
			var lastSeen time.Time
			if m.LastSeen != nil {
				lastSeen = *m.LastSeen
			}
			fmt.Printf("%s\t%s\t%t\n", m.Name, lastSeen.Format("2006-01-02 15:04:05"), ephemeral)
		}

	},
}

var ListPreAuthKeys = &cobra.Command{
	Use:   "list",
	Short: "List the preauthkeys for this namespace",
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		keys, err := h.GetPreAuthKeys(n)
		if strings.HasPrefix(o, "json") {
			JsonOutput(keys, err, o)
			return
		}

		if err != nil {
			fmt.Printf("Error getting the list of keys: %s\n", err)
			return
		}
		for _, k := range *keys {
			expiration := "-"
			if k.Expiration != nil {
				expiration = k.Expiration.Format("2006-01-02 15:04:05")
			}

			var reusable string
			if k.Ephemeral {
				reusable = "N/A"
			} else {
				reusable = fmt.Sprintf("%v", k.Reusable)
			}

			fmt.Printf(
				"key: %s, namespace: %s, reusable: %s, ephemeral: %v, expiration: %s, created_at: %s\n",
				k.Key,
				k.Namespace.Name,
				reusable,
				k.Ephemeral,
				expiration,
				k.CreatedAt.Format("2006-01-02 15:04:05"),
			)
		}
	},
}

var ListRoutesCmd = &cobra.Command{
	Use:   "list NODE",
	Short: "List the routes exposed by this node",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 1 {
			return fmt.Errorf("Missing parameters")
		}
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		routes, err := h.GetNodeRoutes(n, args[0])

		if strings.HasPrefix(o, "json") {
			JsonOutput(routes, err, o)
			return
		}

		if err != nil {
			fmt.Println(err)
			return
		}

		fmt.Println(routes)
	},
}

var NamespaceCmd = &cobra.Command{
	Use:   "namespaces",
	Short: "Manage the namespaces of Headscale",
}

var NodeCmd = &cobra.Command{
	Use:   "nodes",
	Short: "Manage the nodes of Headscale",
}

var PreauthkeysCmd = &cobra.Command{
	Use:   "preauthkeys",
	Short: "Handle the preauthkeys in Headscale",
}

var RegisterCmd = &cobra.Command{
	Use:   "register machineID",
	Short: "Registers a machine to your network",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 1 {
			return fmt.Errorf("Missing parameters")
		}
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		n, err := cmd.Flags().GetString("namespace")
		if err != nil {
			log.Fatalf("Error getting namespace: %s", err)
		}
		o, _ := cmd.Flags().GetString("output")

		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		m, err := h.RegisterMachine(args[0], n)
		if strings.HasPrefix(o, "json") {
			JsonOutput(m, err, o)
			return
		}
		if err != nil {
			fmt.Printf("Cannot register machine: %s\n", err)
			return
		}
		fmt.Printf("Machine registered\n")
	},
}

var RoutesCmd = &cobra.Command{
	Use:   "routes",
	Short: "Manage the routes of Headscale",
}

var ServeCmd = &cobra.Command{
	Use:   "serve",
	Short: "Launches the headscale server",
	Args: func(cmd *cobra.Command, args []string) error {
		return nil
	},
	Run: func(cmd *cobra.Command, args []string) {
		h, err := getHeadscaleApp()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
		go h.ExpireEphemeralNodes(5000)
		err = h.Serve()
		if err != nil {
			log.Fatalf("Error initializing: %s", err)
		}
	},
}