using AppData;
using Newtonsoft.Json;
using NKC_SDK;
using System;
using System.IO;
using System.Web.Http;

namespace NKC_WF.Controllers
{
  public class BunkController : ApiController
  {
    /// <summary>
    /// Restituisce il FIRST BUNK da lavorare
    /// GET: api/Bunk
    /// </summary>
    /// <returns></returns>
    [HttpGet]
    public ProdBunk Get()
    {
      ProdBunk answ = null;
      try
      {
        answ = ComLib.prodGetFirstBunk();
      }
      catch
      { }
      return answ;
    }

    /// <summary>
    /// Ottengo NEXT BUNK
    /// GET: api/Bunk/2?showNext=true
    /// </summary>
    /// <param name="id"></param>
    /// <param name="showNext"></param>
    /// <returns></returns>
    [HttpGet]
    public ProdBunk Get(int id, bool showNext)
    {
      ProdBunk answ = null;
      try
      {
        if (showNext)
        {
          answ = ComLib.prodGetNextBunk(id);
        }
        else
        {
          answ = ComLib.prodGetBunk(id);
        }
      }
      catch
      { }
      return answ;
    }

    /************************************
     * METODI PUT
     * 
     * per abilitare è necessario agire sulla conf di IIS:
     * 
     * - modificare il file applicationHost.config che si trova in C:\Windows\System32\inetsrv\config
     * - disinstallare webDav oppure commentare le righe
     *  <!-- <add name="WebDAVModule" /> -->
     *  <!-- <add name="WebDAVModule" image="%windir%\System32\inetsrv\webdav.dll" /> -->
     *  <!-- <add name="WebDAV" path="*" verb="PROPFIND,PROPPATCH,MKCOL,PUT,COPY,DELETE,MOVE,LOCK,UNLOCK" modules="WebDAVModule" resourceType="Unspecified" requireAccess="None" /> -->
     * - aggiungere PUT/DELETE a handler:
     *  <add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />
     *  <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" responseBufferLimit="0" />
     * 
     **************************************/


    /// <summary>
    /// Effettua la chiamata di update 
    /// </summary>
    /// <param name="id"></param>
    /// <param name="value"></param>
    // PUT: api/Bunk/5
    [HttpPut]
    public void Put(ProdBunk currBunk)
    {
      // NB. decodifico direttamente come oggetto, vedere qui:
      // https://weblog.west-wind.com/posts/2013/dec/13/accepting-raw-request-body-content-with-aspnet-web-api
      // https://weblog.west-wind.com/posts/2017/sep/14/accepting-raw-request-body-content-in-aspnet-core-api-controllers

      // se non nullo...
      if (currBunk != null)
      {
        foreach (var item in currBunk.SheetList)
        {
          DataLayer.man.taSHL.updateDate(item.SheetId, item.Printing.DtStart, item.Printing.DtEnd, item.Machining.DtStart, item.Machining.DtEnd, item.Unloading.DtStart, item.Unloading.DtEnd, (int)item.Status);
          // verifico SE SIA AVVENUTO CON SUCCESSO lo step di lavorazione...
          if (item.Machining.Success)
          {
            // SE machining completato --> status a LAVORATO!
            if (item.Machining.DtEnd != null)
            {
              DataLayer.man.taIL.updateSheetStatus(item.SheetId, 1, "PROD");
            }
          }
        }
      }
      // INVALIDO eventuale valore BUNK in REDIS...
      ComLib.resetRedisBunkData();
    }

    /// <summary>
    /// Processa una chiamata POST per l'invio in blocco status BUNK
    /// POST: api/Bunk
    /// </summary>
    /// <returns></returns>
    [HttpPost]
    public string Post()
    {
      string answ = "";
      // questa classe è derivata da Controller.Response... x cui recupero lo stream in altro modo...
      string content = "";
      System.Web.HttpContext.Current.Request.InputStream.Position = 0;
      using (var reader = new StreamReader(System.Web.HttpContext.Current.Request.InputStream, System.Text.Encoding.UTF8, true, 4096, true))
      {
        content = reader.ReadToEnd();
      }
      //Rest
      System.Web.HttpContext.Current.Request.InputStream.Position = 0;
      // procedo a deserializzare in blocco l'oggetto...
      try
      {
        // deserializzo.
        ProdBunk currBunk = JsonConvert.DeserializeObject<ProdBunk>(content);
        // se non nullo...
        if (currBunk != null)
        {
          foreach (var item in currBunk.SheetList)
          {
            // calcolo stsatus dalle date valide...


            DataLayer.man.taSHL.updateDate(item.SheetId, item.Printing.DtStart, item.Printing.DtEnd, item.Machining.DtStart, item.Machining.DtEnd, item.Unloading.DtStart, item.Unloading.DtEnd, (int)item.Status);
            // SE machining completato --> status a LAVORATO!
            if (item.Machining.DtEnd != null)
            {
              DataLayer.man.taIL.updateSheetStatus(item.SheetId, 1, "PROD");
            }
          }
          // segnalo avanzamento su redis x pagina unload
          ComLib.advaceSheetRevByBunk(currBunk.BunkId);
        }
        answ = "OK";
      }
      catch (Exception exc)
      {
        answ = "NO";
      }
      return answ;
    }

  }
}