feat: guide print via flag --guide/-g

Author: arfadmuzali

cmd/root.go

@@ -1,27 +1,30 @@
-/*
-Copyright © 2026 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
+	"fmt"
 	"log"
 
 	"github.com/arfadmuzali/restui/cmd/restui"
+	"github.com/arfadmuzali/restui/internal/help"
+	"github.com/charmbracelet/glamour"
 	"github.com/spf13/cobra"
 )
 
 var Version = "dev"
 
+var guide bool
+
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:     "restui",
 	Version: Version,
 	Short:   "RESTUI, API Client in your terminal",
-	// Long: `RESTUI is a Terminal User Interface API client for quickly testing
-	// and managing HTTP requests directly from your terminal.`,
-	// Uncomment the following line if your bare application
-	// has an action associated with it:
 	RunE: func(cmd *cobra.Command, args []string) error {
+		if guide {
+			out, err := glamour.Render(help.Guide, "dark")
+			fmt.Print(out)
+			return err
+		}
 		return restui.Execute()
 	},
 }
@@ -44,5 +47,5 @@ func init() {
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.
-	// rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	rootCmd.Flags().BoolVarP(&guide, "guide", "g", false, "List of shortcut and tips and trick.")
 }

internal/help/model.go

@@ -10,6 +10,48 @@ type HelpModel struct {
 	ViewportReady    bool
 }
 
+var Guide = `
+# Common Keybinds
+- **ctrl+c**: Exit
+- **ESC**: Close modal/popup
+- **alt+enter**: Send request
+- **F1**: Help
+
+# Request Keybinds
+- **ctrl+l**: Go to URL
+- **ctrl+b**: Go to request body
+- **ctrl+f**: Format request body (JSON only)
+- **ctrl+o**: Toggle method modal/popup
+    - **k/up**: Navigate up in method modal/popup
+    - **j/down**: Navigate down in method modal/popup
+    - **g**: Switch to GET method
+    - **p**: Switch to POST method
+    - **u**: Switch to PUT method
+    - **a**: Switch to PATCH method
+    - **d**: Switch to DELETE method
+    - **ESC/enter**: Close the method modal/popup
+- **ctrl+h**: Go to request header
+    - **tab**: Toggle between header key and header value
+        - **enter**: Add header
+    - **ctrl+k/up**: Navigate header table up
+    - **ctrl+j/down**: Navigate header table down
+    - **ctrl+d**: Delete header
+
+# Buffer Management
+- **ctrl+n**: New buffer
+- **ctrl+x**: Delete active buffer
+- **ctrl+pgup**: Move to next buffer
+- **ctrl+pgdown**: Move to previous buffer
+- **ctrl+t**: Toggle buffer modal/popup
+    - **k/up**: Navigate up in buffer modal/popup
+    - **j/down**: Navigate down in buffer modal/popup
+    - **ctrl+d**: Delete selected buffer
+    - **enter**: Open selected buffer
+    - **ESC**: Close buffer modal/popup
+
+# Tips & Tricks
+- If you want to select and copy text, use copy-mode/selection-mode in your terminal level. For example, Kitty Terminal Emulator has ctrl+shift+h to enter copy-mode.`
+
 func New() HelpModel {
 
 	return HelpModel{OverlayActive: false}

internal/help/update.go

@@ -24,7 +24,7 @@ func (m HelpModel) Update(msg tea.Msg) (HelpModel, tea.Cmd) {
 
 			m.ViewportReady = true
 
-			rawGuide := `
+			Guide := `
 # Common Keybinds
 - **ctrl+c**: Exit
 - **ESC**: Close modal/popup
@@ -76,7 +76,7 @@ func (m HelpModel) Update(msg tea.Msg) (HelpModel, tea.Cmd) {
 				return m, nil
 			}
 
-			guide, err := r.Render(rawGuide)
+			guide, err := r.Render(Guide)
 
 			if err != nil {
 				m.Viewport.SetContent("Failed to render guide " + err.Error())