Update main.go - review of state splitting

main.go

@@ -170,8 +170,13 @@ func main() {
 
 		code := query.Get("code")
 		req_state := query.Get("state")
-		state := strings.Split(req_state, "-")[0]
-		host := strings.Split(req_state, "-")[1]
+
+		splitIndex := strings.Index(req_state, "-")
+		if splitIndex == -1 {
+			fmt.Println("No host found")
+		}
+		state := string([]byte(req_state[0:splitIndex]))
+		host := string([]byte(req_state[splitIndex+1:len(req_state)]))
 
 		usagePointId := query.Get("usage_point_id")