using AppData;
using SteamWare;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Web.Http;

namespace NKC_WF.Controllers
{
    public class getMUCssController : ApiController
    {
        // GET api/getMUCssController
        public HttpResponseMessage Get()
        {
            string answ = getCssByPost(0);
            return new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(answ, Encoding.UTF8, "text/css")
            };
        }

        // GET api/getMUCssController/5
        public HttpResponseMessage Get(int id)
        {
            string answ = getCssByPost(id);
            return new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(answ, Encoding.UTF8, "text/css")
            };
        }
        /// <summary>
        /// Calcola CSS da postsazione
        /// </summary>
        /// <param name="answ"></param>
        /// <param name="_sheetID"></param>
        /// <returns></returns>
        private static string getCssByPost(int sheetID)
        {
            // var base
            string answ = "";
            if (sheetID > 0)
            {
                // recupero da REDIS!
                string redKey = $"{ComLib.machineUnloadArea(sheetID)}:Css";
                // se vuoto scrivo VUOTO...
                if (!memLayer.ML.redKeyPresent(redKey))
                {
                    memLayer.ML.setRSV(redKey, answ);
                }
                answ = memLayer.ML.getRSV(redKey);
                // RICALCOLO SOLO SE non trovo in REDIS (perché invalidato)
                if (string.IsNullOrEmpty(answ))
                // se vuoto lo calcolo...
                {
                    answ = ComLib.getCurrentCss(sheetID);
                }
            }
            // restituisco css
            return answ;
        }

    }
}