refactor greeting UI

cmd/greeting.go

@@ -15,7 +15,12 @@ func NewGreetingCommand() *cobra.Command {
 		Short: "config setting for Chatify",
 		Long:  "config setting for Chatify",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			p := tea.NewProgram(greetingUI.NewModel(), tea.WithAltScreen())
+			model, err := greetingUI.NewModel()
+			if err != nil {
+				return err
+			}
+
+			p := tea.NewProgram(model, tea.WithAltScreen())
 
 			if _, err := p.Run(); err != nil {
 				return err

ui/cmd/greeting/init.go

@@ -7,5 +7,5 @@ import (
 )
 
 func (m *Model) Init() tea.Cmd {
-	return tea.Batch(m.loadConfig, textinput.Blink)
+	return textinput.Blink
 }

ui/cmd/greeting/model.go

@@ -81,18 +81,37 @@ type Model struct {
 	err           error
 }
 
-func NewModel() *Model {
+func NewModel() (*Model, error) {
 	window := utils.NewWindow()
 
+	cfg, err := loadConfig()
+	if err != nil {
+		return nil, err
+	}
+
 	return &Model{
 		ctx:           context.Background(),
 		window:        window,
 		textInput:     newTextInput(window.Width),
+		cfg:           cfg,
 		phase:         questionPhase,
 		questionIndex: 0,
 		qaList:        qaListTemplate,
 		conversation:  conversationTemplate,
+	}, nil
+}
+
+func loadConfig() (*config.Config, error) {
+	cfg, err := config.New()
+	if err != nil {
+		return nil, err
 	}
+
+	if err := cfg.Load(); err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
 }
 
 func newTextInput(width int) textinput.Model {

ui/cmd/greeting/update.go

@@ -38,8 +38,6 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				return m, tea.Quit
 			}
 		}
-	case loadConfigMsg:
-		m.cfg = msg.cfg
 	case questionCompMsg:
 		if msg.isDone {
 			m.phase = authPhase
@@ -67,21 +65,6 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	return m, inputCmd
 }
 
-type loadConfigMsg struct{ cfg *config.Config }
-
-func (m *Model) loadConfig() tea.Msg {
-	cfg, err := config.New()
-	if err != nil {
-		return errMsg{err: err}
-	}
-
-	if err := cfg.Load(); err != nil {
-		return errMsg{err: err}
-	}
-
-	return loadConfigMsg{cfg: cfg}
-}
-
 type questionCompMsg struct {
 	isDone bool
 }