refactor: refactor the footer handling

pkg/tui/account.go

@@ -356,55 +356,110 @@ func (m Model) AccountUpdate(msg tea.Msg) (Model, tea.Cmd) {
 					m.account.orderViewState = 1
 					m.account.orderCursor = 0
 					m.account.scrollOffset = 0
+					m.footer = []footerCommand{
+						{key: "j/k", value: "orders"},
+						{key: "enter", value: "details"},
+						{key: "esc", value: "back"},
+						{key: "q", value: "quit"},
+					}
 				} else if m.account.orderViewState == 1 {
 					m.account.orderViewState = 2
 					m.account.scrollOffset = 0
+					m.footer = []footerCommand{
+						{key: "esc", value: "back"},
+						{key: "s", value: "shop"},
+						{key: "q", value: "quit"},
+					}
 				}
 			}
 		case "ssh keys":
 			if !m.account.sshKeyListFocused {
 				m.account.sshKeyListFocused = true
 				m.account.sshKeyCursor = 0
+				m.footer = []footerCommand{
+					{key: "j/k", value: "keys"},
+					{key: "x", value: "delete"},
+					{key: "esc", value: "back"},
+				}
 			}
 		case "addresses":
 			if !m.account.addressListFocused {
 				m.account.addressListFocused = true
 				m.account.addressCursor = 0
+				m.footer = []footerCommand{
+					{key: "j/k", value: "addresses"},
+					{key: "x", value: "delete"},
+					{key: "esc", value: "back"},
+				}
 			}
 		case "cards":
 			if !m.account.cardListFocused {
 				m.account.cardListFocused = true
 				m.account.cardCursor = 0
+				m.footer = []footerCommand{
+					{key: "j/k", value: "cards"},
+					{key: "x", value: "delete"},
+					{key: "esc", value: "back"},
+				}
 			}
 		case "faq":
 			if !m.account.faqFocused {
 				m.account.faqFocused = true
 				m.account.scrollOffset = 0
+				m.footer = []footerCommand{
+					{key: "j/k", value: "scroll"},
+					{key: "esc", value: "back"},
+					{key: "s", value: "shop"},
+					{key: "c", value: "cart"},
+					{key: "q", value: "quit"},
+				}
 			}
 		}
 
 	case "esc":
+		accountDefaultFooter := []footerCommand{
+			{key: "j/k", value: "navigate"},
+			{key: "enter", value: "select"},
+			{key: "s", value: "shop"},
+			{key: "c", value: "cart"},
+			{key: "?", value: "help"},
+			{key: "q", value: "quit"},
+		}
 		if m.account.addressDeleting != nil {
 			m.account.addressDeleting = nil
 		} else if m.account.addressListFocused {
 			m.account.addressListFocused = false
 			m.account.addressCursor = 0
+			m.footer = accountDefaultFooter
 		} else if m.account.cardDeleting != nil {
 			m.account.cardDeleting = nil
 		} else if m.account.cardListFocused {
 			m.account.cardListFocused = false
 			m.account.cardCursor = 0
+			m.footer = accountDefaultFooter
 		} else if m.account.sshKeyDeleting != nil {
 			m.account.sshKeyDeleting = nil
 		} else if m.account.sshKeyListFocused {
 			m.account.sshKeyListFocused = false
 			m.account.sshKeyCursor = 0
+			m.footer = accountDefaultFooter
 		} else if m.account.faqFocused {
 			m.account.faqFocused = false
 			m.account.scrollOffset = 0
+			m.footer = accountDefaultFooter
 		} else if m.account.orderViewState > 0 {
 			m.account.orderViewState--
 			m.account.scrollOffset = 0
+			if m.account.orderViewState == 1 {
+				m.footer = []footerCommand{
+					{key: "j/k", value: "orders"},
+					{key: "enter", value: "details"},
+					{key: "esc", value: "back"},
+					{key: "q", value: "quit"},
+				}
+			} else {
+				m.footer = accountDefaultFooter
+			}
 		}
 	}
 	return m, nil

pkg/tui/footer.go

@@ -1,194 +1,25 @@
 package tui
 
 import (
-	"fmt"
+	"strings"
 
 	"github.com/charmbracelet/lipgloss"
 )
 
 func (m Model) BuildFooter() string {
-	// Style for keybinds (bold)
 	keybindStyle := m.theme.TextDim().Bold(true)
-
-	// Style for descriptions (normal)
 	descStyle := m.theme.TextDim()
 
-	// On small terminals, only show the menu hint
 	if m.size == small {
 		footerText := keybindStyle.Render("m") + " " + descStyle.Render("menu")
 		return lipgloss.NewStyle().Align(lipgloss.Center).Width(m.widthContainer).Render(footerText)
 	}
 
-	var footerText string
-	if m.account.faqFocused {
-		footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s    %s %s",
-			keybindStyle.Render("j/k"),
-			descStyle.Render("scroll"),
-			keybindStyle.Render("esc"),
-			descStyle.Render("back"),
-			keybindStyle.Render("s"),
-			descStyle.Render("shop"),
-			keybindStyle.Render("c"),
-			descStyle.Render("cart"),
-			keybindStyle.Render("q"),
-			descStyle.Render("quit"),
-		)
-	} else if m.currentPage == accountPage {
-		switch m.account.orderViewState {
-		case 2:
-			// Viewing single order detail
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s",
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-				keybindStyle.Render("s"),
-				descStyle.Render("shop"),
-				keybindStyle.Render("q"),
-				descStyle.Render("quit"),
-			)
-		case 1:
-			// Browsing order list
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("orders"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("details"),
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-				keybindStyle.Render("q"),
-				descStyle.Render("quit"),
-			)
-		default:
-			// Account tabs
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("navigate"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("select"),
-				keybindStyle.Render("s"),
-				descStyle.Render("shop"),
-				keybindStyle.Render("c"),
-				descStyle.Render("cart"),
-				keybindStyle.Render("?"),
-				descStyle.Render("help"),
-				keybindStyle.Render("q"),
-				descStyle.Render("quit"),
-			)
-		}
-	} else if m.currentPage == confirmPage {
-		// Confirmation screen
-		footerText = fmt.Sprintf("%s %s    %s %s",
-			keybindStyle.Render("esc"),
-			descStyle.Render("back to shop"),
-			keybindStyle.Render("q"),
-			descStyle.Render("quit"),
-		)
-	} else if m.currentPage == shippingPage {
-		if m.shipping.view == 0 && m.shipping.form == nil {
-			// Address list
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("addresses"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("select"),
-				keybindStyle.Render("d/x"),
-				descStyle.Render("delete"),
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-			)
-		} else {
-			// Shipping form
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s",
-				keybindStyle.Render("tab"),
-				descStyle.Render("next"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("submit"),
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-			)
-		}
-	} else if m.currentPage == paymentPage {
-		if m.payment.view == 0 && m.payment.form == nil {
-			// Card list
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("cards"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("select"),
-				keybindStyle.Render("d/x"),
-				descStyle.Render("delete"),
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-			)
-		} else if m.CheckingOut {
-			// Submitting order
-			footerText = descStyle.Render("submitting order...")
-		} else {
-			// Payment form
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s",
-				keybindStyle.Render("tab"),
-				descStyle.Render("next"),
-				keybindStyle.Render("enter"),
-				descStyle.Render("submit"),
-				keybindStyle.Render("esc"),
-				descStyle.Render("back"),
-			)
-		}
-	} else if m.currentPage == cartPage {
-		// In cart view, show proceed option
-		if !m.IsCartEmpty() {
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s    %s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("items"),
-				keybindStyle.Render("+/-"),
-				descStyle.Render("qty"),
-				keybindStyle.Render("p/enter"),
-				descStyle.Render("checkout"),
-				keybindStyle.Render("s"),
-				descStyle.Render("shop"),
-				keybindStyle.Render("a"),
-				descStyle.Render("account"),
-				keybindStyle.Render("pgup/pgdn"),
-				descStyle.Render("scroll"),
-				keybindStyle.Render("?"),
-				descStyle.Render("help"),
-				keybindStyle.Render("q"),
-				descStyle.Render("quit"),
-			)
-		} else {
-			footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s    %s %s    %s %s",
-				keybindStyle.Render("j/k"),
-				descStyle.Render("items"),
-				keybindStyle.Render("+/-"),
-				descStyle.Render("qty"),
-				keybindStyle.Render("s"),
-				descStyle.Render("shop"),
-				keybindStyle.Render("a"),
-				descStyle.Render("account"),
-				keybindStyle.Render("?"),
-				descStyle.Render("help"),
-				keybindStyle.Render("q"),
-				descStyle.Render("quit"),
-			)
-		}
-	} else {
-		footerText = fmt.Sprintf("%s %s    %s %s    %s %s    %s %s    %s %s    %s %s",
-			keybindStyle.Render("j/k"),
-			descStyle.Render("products"),
-			keybindStyle.Render("+/-"),
-			descStyle.Render("qty"),
-			keybindStyle.Render("c"),
-			descStyle.Render("cart"),
-			keybindStyle.Render("a"),
-			descStyle.Render("account"),
-			keybindStyle.Render("?"),
-			descStyle.Render("help"),
-			keybindStyle.Render("q"),
-			descStyle.Render("quit"),
-		)
+	parts := []string{}
+	for _, cmd := range m.footer {
+		parts = append(parts, keybindStyle.Render(cmd.key)+" "+descStyle.Render(cmd.value))
 	}
+	footerText := strings.Join(parts, "    ")
 
-	return lipgloss.NewStyle().
-		Align(lipgloss.Center).
-		Width(m.widthContainer).
-		Render(footerText)
+	return lipgloss.NewStyle().Align(lipgloss.Center).Width(m.widthContainer).Render(footerText)
 }

pkg/tui/model.go

@@ -53,6 +53,11 @@ type resizeTickMsg struct {
 // this prevents flickering when resizing the terminal
 const resizeDebounce = 50 * time.Millisecond
 
+type footerCommand struct {
+	key   string
+	value string
+}
+
 type Model struct {
 	// User authentication
 	User               *models.User
@@ -121,6 +126,9 @@ type Model struct {
 	account  accountState
 	review   reviewState
 	confirm  confirmState
+
+	// Footer
+	footer []footerCommand
 }
 
 type shopState struct {
@@ -208,18 +216,55 @@ func (m Model) SwitchPage(p page) Model {
 func (m Model) ShopSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(shopPage)
 	m = m.updateShopViewports()
+	m.footer = []footerCommand{
+		{key: "j/k", value: "products"},
+		{key: "+/-", value: "qty"},
+		{key: "c", value: "cart"},
+		{key: "a", value: "account"},
+		{key: "?", value: "help"},
+		{key: "q", value: "quit"},
+	}
 	return m, nil
 }
 
 func (m Model) CartSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(cartPage)
 	m = m.updateCartViewport()
+	if m.IsCartEmpty() {
+
+		m.footer = []footerCommand{
+			{key: "j/k", value: "items"},
+			{key: "+/-", value: "qty"},
+			{key: "s", value: "shop"},
+			{key: "a", value: "account"},
+			{key: "?", value: "help"},
+			{key: "q", value: "quit"},
+		}
+	} else {
+		m.footer = []footerCommand{
+			{key: "j/k", value: "items"},
+			{key: "+/-", value: "qty"},
+			{key: "p/enter", value: "checkout"},
+			{key: "s", value: "shop"},
+			{key: "a", value: "account"},
+			{key: "pgup/pgdn", value: "scroll"},
+			{key: "?", value: "help"},
+			{key: "q", value: "quit"},
+		}
+	}
 	return m, nil
 }
 
 func (m Model) AccountSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(accountPage)
 	m.account = accountState{}
+	m.footer = []footerCommand{
+		{key: "j/k", value: "navigate"},
+		{key: "enter", value: "select"},
+		{key: "s", value: "shop"},
+		{key: "?", value: "help"},
+		{key: "q", value: "quit"},
+	}
 	if !m.OrdersLoaded {
 		return m, m.fetchOrdersCmd()
 	}
@@ -230,6 +275,12 @@ func (m Model) ShippingSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(shippingPage)
 	m.shipping = shippingState{}
 	m = m.updateShippingViewport()
+	m.footer = []footerCommand{
+		{key: "j/k", value: "addresses"},
+		{key: "enter", value: "select"},
+		{key: "d/x", value: "delete"},
+		{key: "esc", value: "back"},
+	}
 	return m, m.fetchAddressesCmd()
 }
 
@@ -237,11 +288,21 @@ func (m Model) PaymentSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(paymentPage)
 	m.payment = paymentState{}
 	m.SelectedCard = nil
+	m.footer = []footerCommand{
+		{key: "j/k", value: "cards"},
+		{key: "enter", value: "select"},
+		{key: "d/x", value: "delete"},
+		{key: "esc", value: "back"},
+	}
 	return m, m.fetchCardsCmd()
 }
 
 func (m Model) ReviewSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(reviewPage)
+	m.footer = []footerCommand{
+		{key: "enter", value: "confirm"},
+		{key: "esc", value: "back"},
+	}
 	return m, nil
 }
 
@@ -249,6 +310,10 @@ func (m Model) ConfirmSwitch() (Model, tea.Cmd) {
 	m = m.SwitchPage(confirmPage)
 	m.confirm = confirmState{}
 	m = m.updateConfirmViewport()
+	m.footer = []footerCommand{
+		{key: "esc", value: "back to shop"},
+		{key: "q", value: "quit"},
+	}
 	return m, nil
 }
 

pkg/tui/payment_form.go

@@ -434,6 +434,11 @@ func (m Model) PaymentUpdate(msg tea.Msg) (Model, tea.Cmd) {
 			m.ErrorMsg = fmt.Sprintf("failed to save card: %v", msg.Err)
 			m.payment.view = 1
 			m.payment.form = m.InitPaymentForm()
+			m.footer = []footerCommand{
+				{key: "tab", value: "next"},
+				{key: "enter", value: "submit"},
+				{key: "esc", value: "back"},
+			}
 			return m, m.payment.form.form.Init()
 		}
 		m.SavedCards = append(m.SavedCards, msg.Card)
@@ -495,12 +500,20 @@ func (m Model) PaymentUpdate(msg tea.Msg) (Model, tea.Cmd) {
 			if m.payment.cardCursor == len(m.SavedCards) {
 				m.payment.view = 1
 				m.payment.form = m.InitPaymentForm()
+				m.footer = []footerCommand{
+					{key: "tab", value: "next"},
+					{key: "enter", value: "submit"},
+					{key: "esc", value: "back"},
+				}
 				return m, m.payment.form.form.Init()
 			}
 			// Browser payment
 			m.payment.view = 2
 			m.payment.collectURL = nil
 			m.payment.collectCardCount = len(m.SavedCards)
+			m.footer = []footerCommand{
+				{key: "esc", value: "back"},
+			}
 			return m, m.collectCardCmd()
 
 		case "d", "x":
@@ -513,6 +526,11 @@ func (m Model) PaymentUpdate(msg tea.Msg) (Model, tea.Cmd) {
 				if len(m.SavedCards) == 0 {
 					m.payment.view = 1
 					m.payment.form = m.InitPaymentForm()
+					m.footer = []footerCommand{
+						{key: "tab", value: "next"},
+						{key: "enter", value: "submit"},
+						{key: "esc", value: "back"},
+					}
 					return m, tea.Batch(m.payment.form.form.Init(), m.deleteCardCmd(card.ID))
 				}
 				return m, m.deleteCardCmd(card.ID)
@@ -526,6 +544,12 @@ func (m Model) PaymentUpdate(msg tea.Msg) (Model, tea.Cmd) {
 		if keyMsg, ok := msg.(tea.KeyMsg); ok && keyMsg.String() == "esc" {
 			m.payment.view = 0
 			m.payment.collectURL = nil
+			m.footer = []footerCommand{
+				{key: "j/k", value: "cards"},
+				{key: "enter", value: "select"},
+				{key: "d/x", value: "delete"},
+				{key: "esc", value: "back"},
+			}
 			return m, nil
 		}
 		return m, nil
@@ -539,6 +563,12 @@ func (m Model) PaymentUpdate(msg tea.Msg) (Model, tea.Cmd) {
 				if len(m.SavedCards) > 0 {
 					m.payment.view = 0
 					m.payment.form = nil
+					m.footer = []footerCommand{
+						{key: "j/k", value: "cards"},
+						{key: "enter", value: "select"},
+						{key: "d/x", value: "delete"},
+						{key: "esc", value: "back"},
+					}
 					return m, nil
 				}
 				m.payment.form = nil

pkg/tui/shipping_form.go

@@ -362,6 +362,11 @@ func (m Model) ShippingUpdate(msg tea.Msg) (Model, tea.Cmd) {
 			m.SavedAddresses = nil
 			m.shipping.view = 1
 			m.shipping.form = m.InitShippingForm()
+			m.footer = []footerCommand{
+				{key: "tab", value: "next"},
+				{key: "enter", value: "submit"},
+				{key: "esc", value: "back"},
+			}
 			return m, m.shipping.form.form.Init()
 		}
 		m.SavedAddresses = msg.Addresses
@@ -412,6 +417,11 @@ func (m Model) ShippingUpdate(msg tea.Msg) (Model, tea.Cmd) {
 			}
 			m.shipping.view = 1
 			m.shipping.form = m.InitShippingForm()
+			m.footer = []footerCommand{
+				{key: "tab", value: "next"},
+				{key: "enter", value: "submit"},
+				{key: "esc", value: "back"},
+			}
 			return m, m.shipping.form.form.Init()
 		case "d", "x":
 			if m.shipping.addressCursor < len(m.SavedAddresses) {
@@ -423,6 +433,11 @@ func (m Model) ShippingUpdate(msg tea.Msg) (Model, tea.Cmd) {
 				if len(m.SavedAddresses) == 0 {
 					m.shipping.view = 1
 					m.shipping.form = m.InitShippingForm()
+					m.footer = []footerCommand{
+						{key: "tab", value: "next"},
+						{key: "enter", value: "submit"},
+						{key: "esc", value: "back"},
+					}
 					return m, tea.Batch(m.shipping.form.form.Init(), m.deleteAddressCmd(addr.ID))
 				}
 				return m, m.deleteAddressCmd(addr.ID)
@@ -439,6 +454,12 @@ func (m Model) ShippingUpdate(msg tea.Msg) (Model, tea.Cmd) {
 				if len(m.SavedAddresses) > 0 {
 					m.shipping.view = 0
 					m.shipping.form = nil
+					m.footer = []footerCommand{
+						{key: "j/k", value: "addresses"},
+						{key: "enter", value: "select"},
+						{key: "d/x", value: "delete"},
+						{key: "esc", value: "back"},
+					}
 					return m, nil
 				}
 				m.shipping.form = nil