Add warning when deleting active profile, fix bug in list profiles

internal/cmd/config/profile/delete/delete.go

@@ -55,6 +55,14 @@ func NewCmd(p *print.Printer) *cobra.Command {
 				return &errors.DeleteDefaultProfile{DefaultProfile: config.DefaultProfileName}
 			}
 
+			activeProfile, err := config.GetProfile()
+			if err != nil {
+				return fmt.Errorf("get profile: %w", err)
+			}
+			if activeProfile == model.Profile {
+				p.Warn("The profile you are trying to delete is the active profile. The default profile will be set to active.\n")
+			}
+
 			if !model.AssumeYes {
 				prompt := fmt.Sprintf("Are you sure you want to delete profile %q? (This cannot be undone)", model.Profile)
 				err = p.PromptForConfirmation(prompt)

internal/pkg/config/profiles.go

@@ -256,10 +256,20 @@ func GetProfileFolderPath(profile string) string {
 	return filepath.Join(defaultConfigFolderPath, profileRootFolder, profile)
 }
 
-// ListProfiles returns a list of all profiles.
+// ListProfiles returns a list of all non-default profiles.
+// If there are no profiles, it returns an empty list.
 func ListProfiles() ([]string, error) {
 	profiles := []string{}
 
+	// Check if the profile root folder exists
+	_, err := os.Stat(filepath.Join(defaultConfigFolderPath, profileRootFolder))
+	if err != nil {
+		if os.IsNotExist(err) {
+			return profiles, nil
+		}
+		return nil, fmt.Errorf("get profile root folder: %w", err)
+	}
+
 	profileFolders, err := os.ReadDir(filepath.Join(defaultConfigFolderPath, profileRootFolder))
 	if err != nil {
 		return nil, fmt.Errorf("read profile folders: %w", err)