refactor: tui package for CLI styles and prompts, restyle confirmation

internal/cli/cli.go

@@ -71,7 +71,7 @@ func (cli *CLI) SetCurrentContext(name string) error {
 	return cli.Config.Save()
 }
 
-func (cli *CLI) GetContextOverrideOrCurrent() string {
+func (cli *CLI) ContextOverrideOrCurrent() string {
 	if cli.contextOverride != "" {
 		return cli.contextOverride
 	}
@@ -81,6 +81,14 @@ func (cli *CLI) GetContextOverrideOrCurrent() string {
 	return ""
 }
 
+// DirectConnection returns the connection string if --connect or UNCLOUD_CONNECT was specified.
+func (cli *CLI) DirectConnection() string {
+	if cli.conn != nil {
+		return cli.conn.String()
+	}
+	return ""
+}
+
 // ConnectCluster connects to a cluster using the context override or the current context if not specified.
 // If the CLI was initialised with a machine connection, the config is ignored and the connection is used instead.
 func (cli *CLI) ConnectCluster(ctx context.Context) (*client.Client, error) {
@@ -316,7 +324,7 @@ type AddMachineOptions struct {
 // cluster. The machine client is connected to the new machine and can be used to interact with it.
 // Both client should be closed after use by the caller.
 func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client.Client, *client.Client, error) {
-	contextName := cli.GetContextOverrideOrCurrent()
+	contextName := cli.ContextOverrideOrCurrent()
 	c, err := cli.ConnectCluster(ctx)
 	if err != nil {
 		return nil, nil, fmt.Errorf("connect to cluster (context '%s'): %w", contextName, err)

internal/cli/connect.go

@@ -11,6 +11,7 @@ import (
 	tea "charm.land/bubbletea/v2"
 	"charm.land/lipgloss/v2"
 	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/cli/tui"
 	"github.com/psviderski/uncloud/internal/fs"
 	"github.com/psviderski/uncloud/pkg/client"
 	"github.com/psviderski/uncloud/pkg/client/connector"
@@ -33,7 +34,7 @@ func ConnectCluster(ctx context.Context, conn config.MachineConnection, opts Con
 // If the stdout is not a terminal, it falls back to simple progress logs to stderr.
 func connectClusterWithProgress(ctx context.Context, conn config.MachineConnection) (*client.Client, error) {
 	// If stdout is not a terminal, fall back to simple progress logs.
-	if !IsStdoutTerminal() {
+	if !tui.IsStdoutTerminal() {
 		fmt.Fprintln(os.Stderr, "Connecting to", conn.String())
 		cli, err := connectCluster(ctx, conn)
 		if err != nil {

internal/cli/machine.go

@@ -10,6 +10,7 @@ import (
 
 	"charm.land/huh/v2"
 	"github.com/cenkalti/backoff/v4"
+	"github.com/psviderski/uncloud/internal/cli/tui"
 	"github.com/psviderski/uncloud/internal/machine/api/pb"
 	"github.com/psviderski/uncloud/internal/sshexec"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -88,7 +89,7 @@ func provisionMachine(ctx context.Context, exec sshexec.Executor, version string
 }
 
 func promptResetMachine() error {
-	if !IsStdinTerminal() {
+	if !tui.IsStdinTerminal() {
 		return errors.New("the remote machine is already initialised as a cluster member; " +
 			"cannot ask to confirm reset in non-interactive mode, " +
 			"use --yes flag or set UNCLOUD_AUTO_CONFIRM=true to auto-confirm")

internal/cli/prompt.go

@@ -1,38 +0,0 @@
-package cli
-
-import (
-	"os"
-
-	"charm.land/huh/v2"
-	"golang.org/x/term"
-)
-
-func Confirm() (bool, error) {
-	var confirmed bool
-	form := huh.NewForm(
-		huh.NewGroup(
-			huh.NewConfirm().
-				Title(
-					"Do you want to continue?",
-				).
-				Affirmative("Yes!").
-				Negative("No").
-				Value(&confirmed),
-		),
-	).WithAccessible(true)
-	if err := form.Run(); err != nil {
-		return false, err
-	}
-
-	return confirmed, nil
-}
-
-// IsStdinTerminal checks if the standard input is a terminal (TTY).
-func IsStdinTerminal() bool {
-	return term.IsTerminal(int(os.Stdin.Fd()))
-}
-
-// IsStdoutTerminal checks if the standard output is a terminal (TTY).
-func IsStdoutTerminal() bool {
-	return term.IsTerminal(int(os.Stdout.Fd()))
-}

internal/cli/tui/print.go

@@ -0,0 +1,11 @@
+package tui
+
+import (
+	"fmt"
+	"os"
+)
+
+func PrintWarning(msg string) {
+	styledMsg := BoldYellow.Render(fmt.Sprintf("WARNING: %s", msg))
+	fmt.Fprintln(os.Stderr, styledMsg)
+}

internal/cli/tui/prompt.go

@@ -0,0 +1,53 @@
+package tui
+
+import (
+	"os"
+
+	"charm.land/huh/v2"
+	"charm.land/lipgloss/v2"
+	"golang.org/x/term"
+)
+
+// Confirm shows a confirmation prompt with a yellow-styled title.
+// If title is empty, it defaults to "Do you want to continue?".
+func Confirm(title string) (bool, error) {
+	if title == "" {
+		title = "Do you want to continue?"
+	}
+
+	var confirmed bool
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewConfirm().
+				Title(title).
+				Affirmative("Yes!").
+				Negative("No").
+				Value(&confirmed),
+		),
+	).WithTheme(ThemeConfirm()).
+		WithAccessible(true)
+	if err := form.Run(); err != nil {
+		return false, err
+	}
+
+	return confirmed, nil
+}
+
+// ThemeConfirm returns a huh theme with a bold yellow title style for the confirmation prompt.
+func ThemeConfirm() huh.Theme {
+	return huh.ThemeFunc(func(isDark bool) *huh.Styles {
+		t := huh.ThemeBase(isDark)
+		t.Focused.Title = t.Focused.Title.Foreground(lipgloss.Yellow).Bold(true)
+		return t
+	})
+}
+
+// IsStdinTerminal checks if the standard input is a terminal (TTY).
+func IsStdinTerminal() bool {
+	return term.IsTerminal(int(os.Stdin.Fd()))
+}
+
+// IsStdoutTerminal checks if the standard output is a terminal (TTY).
+func IsStdoutTerminal() bool {
+	return term.IsTerminal(int(os.Stdout.Fd()))
+}

internal/cli/tui/style.go

@@ -0,0 +1,17 @@
+package tui
+
+import "charm.land/lipgloss/v2"
+
+var (
+	Faint  = lipgloss.NewStyle().Faint(true)
+	Red    = lipgloss.NewStyle().Foreground(lipgloss.Red)
+	Green  = lipgloss.NewStyle().Foreground(lipgloss.Green)
+	Yellow = lipgloss.NewStyle().Foreground(lipgloss.Yellow)
+
+	Bold       = lipgloss.NewStyle().Bold(true)
+	BoldRed    = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Red)
+	BoldGreen  = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Green)
+	BoldYellow = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Yellow)
+
+	NameStyle = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("152"))
+)