Moved argument parsing out of NewModel()

main.go

@@ -2,13 +2,21 @@ package main
 
 import (
 	"log"
+	"os"
 
 	gomus "git.cesium.pw/niku/gomus/pkg"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
 func main() {
-	p := tea.NewProgram(gomus.NewModel())
+	if len(os.Args) < 2 {
+		log.Fatal("Expected a path to some music")
+	}
+
+	p := tea.NewProgram(gomus.NewModel(gomus.ModelArgs{
+		MusicPath: os.Args[1],
+	}))
+
 	if err := p.Start(); err != nil {
 		log.Fatalf("Failed to start: %v", err)
 	}