refactor: use liplgoss for help styling

allows automatic color downgrading

help.go

@@ -2,20 +2,28 @@ package main
 
 import (
 	"fmt"
+	"regexp"
 	"strings"
 
 	"github.com/alecthomas/kong"
 	"github.com/charmbracelet/lipgloss"
 )
 
+var highlighter = regexp.MustCompile("{{(.+?)}}")
+
 func helpPrinter(options kong.HelpOptions, ctx *kong.Context) error {
-	var titleStyle = lipgloss.NewStyle().Bold(true).Margin(1, 0, 0, 2).Foreground(lipgloss.Color("#875FFF"))
-	var codeBlockStyle = lipgloss.NewStyle().Background(lipgloss.Color("0")).Padding(1, 3).Margin(0, 2)
+	codeBlockStyle := lipgloss.NewStyle().Background(lipgloss.Color("0")).Padding(1, 0)
+	programStyle := codeBlockStyle.Copy().Foreground(lipgloss.Color("12")).PaddingLeft(2).MarginLeft(2)
+	argumentStyle := codeBlockStyle.Copy().Foreground(lipgloss.Color("7")).Padding(1, 1)
+	flagStyle := codeBlockStyle.Copy().Foreground(lipgloss.Color("244")).PaddingRight(2)
+	titleStyle := lipgloss.NewStyle().Bold(true).Margin(1, 0, 0, 2).Foreground(lipgloss.Color("#875FFF"))
+	dashStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("240")).MarginLeft(2)
+	keywordStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("1"))
 
 	fmt.Println()
 	fmt.Println("  Screenshot code on the command line. 📸")
 	fmt.Println()
-	fmt.Println(codeBlockStyle.Render(foreground("freeze", 13) + " main.go " + foreground("[-o code.svg] [--flags]", 244)))
+	fmt.Println(lipgloss.JoinHorizontal(lipgloss.Center, programStyle.Render("freeze"), argumentStyle.Render("main.go"), flagStyle.Render("[-o code.svg] [--flags]")))
 
 	flags := ctx.Flags()
 	lastGroup := ""
@@ -31,27 +39,18 @@ func helpPrinter(options kong.HelpOptions, ctx *kong.Context) error {
 		}
 
 		if f.Short > 0 {
-			fmt.Printf("    %s%c", foreground("-", 8), f.Short)
-			fmt.Printf("  %s%s", foreground("--", 8), f.Name)
+			fmt.Print("  ", dashStyle.Render("-"), string(f.Short))
+			fmt.Print(dashStyle.Render("--"), f.Name)
 			fmt.Print(strings.Repeat(" ", 16-len(f.Name)))
 		} else {
-			fmt.Printf("    %s%c", " ", ' ')
-			fmt.Printf("  %s%s", foreground("--", 8), f.Name)
+			fmt.Print("  ", dashStyle.Render(" "), " ")
+			fmt.Print(dashStyle.Render("--"), f.Name)
 			fmt.Print(strings.Repeat(" ", 16-len(f.Name)))
 
 		}
-		help := strings.ReplaceAll(f.Help, "{{", color(1))
-		help = strings.ReplaceAll(help, "}}", color(7))
+		help := highlighter.ReplaceAllString(f.Help, keywordStyle.Render("$1"))
 		fmt.Println(help)
 	}
 	fmt.Println()
 	return nil
 }
-
-func color(c int) string {
-	return fmt.Sprintf("\x1b[38;5;%dm", c)
-}
-
-func foreground(s string, c int) string {
-	return color(c) + s + color(7)
-}