How can I manage the information from a sensor photoresistor in arduino?

Im making a project trying to get information from 3 sensors in arduino (photoresistor). if they activate in certain order unity does something. They way Im recieving the information is constant, if sensor one activates i recieve a string "1" and i recieve it like a million times and i cant make a pattern. I have a horrible code with ifs but ill make a co routine. void ShowVideo(string Direction) {

     print(Direction);
     //aqui poner si el arduino manda señal 1 reproducir video de le atinaste
     //si manda 2, esperar un rato y despues que reprodusca video de fallar
     if (Direction == "1")
     {
         //salen efectos positivos
         //y sale frase seleccionada de la lista positiva
         print("mensaje positivo");
         text.text = "mensaje positivo";
         listen = false;
     }

     if (Direction == "2")
     {
         //salen efectos negativos
         //sale frase negativa de la lista negativa
         //sale la frase de "Pero no dejes de intentarlo"
         print("You miss, try again");
         text.text = "You miss, try again";
         listen = false;
     }

     if (Direction == "3")
     {
         //te regresa al menu principal
         print("Apunta tu varita");
         text.text = "Apunta tu varita";
     }