using Newtonsoft.Json;
using SteamWare;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;

namespace C_TRACK
{
  public class HealthController : ApiController
  {
    // GET api/<controller>
    public string Get()
    {
      string answ = "";
      bool redisOk = checkRedis();
      bool dbOk = checkDb();
      if (redisOk)
      {
        if (dbOk)
        {
          answ = "HELLO";
        }
        else
        {
          answ = "DB KO";
        }
      }
      else
      {
        answ = "REDIS KO";
      }
      return answ;
    }


    // GET api/<controller>/5
    public string Get(int id)
    {
      string answ = "";
      bool redisOk = checkRedis();
      bool dbOk = checkDb();
      if (redisOk)
      {
        if (dbOk)
        {
          answ = $"HELLO {id}";
        }
        else
        {
          answ = "DB KO";
        }
      }
      else
      {
        answ = "REDIS KO";
      }
      return answ;
    }

    // POST api/<controller>
    public void Post([FromBody]string value)
    {
    }

    // PUT api/<controller>/5
    public void Put(int id, [FromBody]string value)
    {
    }

    // DELETE api/<controller>/5
    public void Delete(int id)
    {
    }
    /// <summary>
    /// Effettua verifica connettività REDIS
    /// </summary>
    /// <returns></returns>
    protected bool checkRedis()
    {
      bool answ = false;
      var testVal = memLayer.ML.redGetHash(memLayer.ML.ACBH);
      answ = (testVal != null && testVal.Length > 0);
      return answ;
    }
    /// <summary>
    /// Effettua verifica connettività DB
    /// </summary>
    /// <returns></returns>
    protected bool checkDb()
    {
      bool answ = false;
      // test lettura appConf...
      DS_Utility.ConfigDataTable tabDati = memLayer.ML.taConfig.GetData();
      answ = (tabDati.Rows.Count > 0);
      // se NON avessi config --> controllo i comandi ammessi...
      if(!answ)
      {
        answ = comandiAmmessiBCode.Count > 0;
      }
      return answ;
    }

    /// <summary>
    /// Elenco (da cache) dei comandi ammessi x BCode
    /// </summary>
    protected Dictionary<string, string> comandiAmmessiBCode
    {
      get
      {
        Dictionary<string, string> answ = new Dictionary<string, string>();
        if (memLayer.ML.isInCacheObject("comandiAmmessiBCode"))
        {
          try
          {
            answ = JsonConvert.DeserializeObject<Dictionary<string, string>>(memLayer.ML.objCacheObj("comandiAmmessiBCode").ToString());
          }
          catch
          {
            answ = new Dictionary<string, string>();
          }
        }
        return answ;
      }
    }

  }
}