Calculate terminal width when drawing figlets

sevenkeys/constants/constants.go

@@ -4,16 +4,9 @@ import (
 	"database/sql"
 
 	tea "github.com/charmbracelet/bubbletea"
-	"github.com/lukesampson/figlet/figletlib"
 )
 
 var (
 	Program  *tea.Program
 	Database *sql.DB
-
-	WindowWidth  int
-	WindowHeight int
-
-	FigletFontSlant *figletlib.Font
-	FigletFontTerm  *figletlib.Font
 )

sevenkeys/figlet/figlet.go

@@ -3,10 +3,10 @@ package figlet
 import (
 	"os"
 	"path/filepath"
-	"sevenkeys/constants"
 	"sevenkeys/logic"
 
 	"github.com/lukesampson/figlet/figletlib"
+	"golang.org/x/crypto/ssh/terminal"
 )
 
 var (
@@ -27,10 +27,18 @@ func ReadFigletFonts() {
 	logic.Check(err)
 }
 
+func getTerminalWidth() int {
+	width, _, err := terminal.GetSize(0)
+	if err != nil {
+		return 80
+	}
+	return width
+}
+
 func PrintMsgSlant(msg, alignment string) {
 	figletlib.PrintMsg(msg,
 		FigletFontSlant,
-		200,
+		getTerminalWidth(),
 		FigletFontSlant.Settings(),
 		alignment)
 }
@@ -38,7 +46,7 @@ func PrintMsgSlant(msg, alignment string) {
 func PrintMsgTerm(msg, alignment string) {
 	figletlib.PrintMsg(msg,
 		FigletFontTerm,
-		200,
+		getTerminalWidth(),
 		FigletFontTerm.Settings(),
 		alignment)
 }
@@ -46,7 +54,7 @@ func PrintMsgTerm(msg, alignment string) {
 func SprintMsgSlant(msg, alignment string) string {
 	return figletlib.SprintMsg(msg,
 		FigletFontSlant,
-		constants.WindowWidth,
+		getTerminalWidth(),
 		FigletFontSlant.Settings(),
 		alignment)
 }
@@ -54,7 +62,7 @@ func SprintMsgSlant(msg, alignment string) string {
 func SprintMsgTerm(msg, alignment string) string {
 	return figletlib.SprintMsg(msg,
 		FigletFontTerm,
-		constants.WindowWidth,
+		getTerminalWidth(),
 		FigletFontTerm.Settings(),
 		alignment)
 }