From a610b19c348f61ce0d6e8eb5eb8a08fbfdb13fdc Mon Sep 17 00:00:00 2001
From: Andrei Gonchar <jeron312@gmail.com>
Date: Sat, 4 May 2024 14:22:42 +0300
Subject: [PATCH] Add status message about wrong layout

---
 choose/choose.go |  5 +++++
 play/bindings.go | 14 +++++++++++++-
 play/play.go     |  2 ++
 play/style.go    | 20 +++++++++++++++++++-
 4 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/choose/choose.go b/choose/choose.go
index b7830a7..6327e25 100644
--- a/choose/choose.go
+++ b/choose/choose.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"strings"
+	"time"
 
 	"github.com/charmbracelet/bubbles/list"
 	tea "github.com/charmbracelet/bubbletea"
@@ -22,6 +23,7 @@ func New() tea.Model {
 	listModel := list.New(nil, itemDelegate{}, 20, 14)
 	listModel.SetFilteringEnabled(false)
 	listModel.SetShowStatusBar(false)
+	listModel.StatusMessageLifetime = 5 * time.Second
 	listModel.Title = "Select challenge"
 
 	return choose{
@@ -61,6 +63,9 @@ func (c choose) Update(msg tea.Msg) (m tea.Model, cmd tea.Cmd) {
 		)
 
 	case tea.KeyMsg:
+		if play.ValidateBindings(msg) {
+			return c, c.list.NewStatusMessage(play.RenderLayoutErr(msg))
+		}
 		if msg.String() == "enter" {
 			return play.New(
 				challenge.Challenge(c.list.SelectedItem().(item)),
diff --git a/play/bindings.go b/play/bindings.go
index 5f83dcb..394e991 100644
--- a/play/bindings.go
+++ b/play/bindings.go
@@ -1,6 +1,11 @@
 package play
 
-import "github.com/charmbracelet/bubbles/key"
+import (
+	"unicode"
+
+	"github.com/charmbracelet/bubbles/key"
+	tea "github.com/charmbracelet/bubbletea"
+)
 
 type keyBindings struct {
 	short      key.Binding
@@ -53,6 +58,13 @@ func newBindings() keyBindings {
 	}
 }
 
+func ValidateBindings(msg tea.KeyMsg) bool {
+	return msg.Type == tea.KeyRunes &&
+		len(msg.Runes) == 1 &&
+		unicode.IsLetter(msg.Runes[0]) &&
+		!unicode.Is(unicode.Latin, msg.Runes[0])
+}
+
 func copyKey(k key.Binding, desc string) key.Binding {
 	k.SetHelp(k.Help().Key, desc)
 
diff --git a/play/play.go b/play/play.go
index c7f7a88..995a71e 100644
--- a/play/play.go
+++ b/play/play.go
@@ -137,6 +137,8 @@ func (m model) Update(msg tea.Msg) (r tea.Model, cmd tea.Cmd) {
 
 	case tea.KeyMsg:
 		switch {
+		case ValidateBindings(msg):
+			return m, m.l.NewStatusMessage(RenderLayoutErr(msg))
 		case key.Matches(msg, m.b.Next):
 			if m.question.questionFullyAnswered() && (!m.question.isLast) {
 				m.currentQuestion++
diff --git a/play/style.go b/play/style.go
index 0021a71..fb1a724 100644
--- a/play/style.go
+++ b/play/style.go
@@ -1,6 +1,11 @@
 package play
 
-import "github.com/charmbracelet/lipgloss"
+import (
+	"fmt"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
 
 var (
 	questionNumberStyle = lipgloss.NewStyle().BorderStyle(lipgloss.RoundedBorder()).Padding(0, 1)
@@ -8,6 +13,10 @@ var (
 	answerStyle         = lipgloss.NewStyle().
 				PaddingLeft(1).PaddingRight(1).
 				BorderStyle(lipgloss.NormalBorder())
+	warningMessageStyle = lipgloss.NewStyle().
+				Foreground(lipgloss.Color("231")).
+				Background(lipgloss.Color("166")).
+				Padding(0, 1)
 	answerSelectedStyle = answerStyle.Copy().
 				Foreground(lipgloss.Color("170")).
 				BorderStyle(lipgloss.DoubleBorder()).
@@ -42,3 +51,12 @@ var (
 				Foreground(lipgloss.Color("170")).
 				BorderForeground(lipgloss.Color("170"))
 )
+
+func RenderLayoutErr(msg tea.KeyMsg) string {
+	return warningMessageStyle.Render(
+		fmt.Sprintf(
+			"'%s' have been pressed. Please, change keyboard layout to english.",
+			msg.String(),
+		),
+	)
+}