using SteamWare;
using System;
using System.IO;

namespace NKC_WF.WebUserContols
{
  public partial class cmp_fileUpload : BaseUserControl
  {
    /// <summary>
    /// Folder di upload temporaneo files
    /// </summary>
    protected string _tempUploadDir = memLayer.ML.CRS("_tempUploadDir");
    /// <summary>
    /// permesso scrittura SE E' abilitato a aprtire dalla tab diritti...
    /// </summary>
    public bool userIsAuth
    {
      get
      {
        return true;
        //return (idxAmm + idxFornitore > 0);
      }
    }
    public bool isWriteEnabled
    {
      get
      {
        bool answ = false;
        bool.TryParse(hfWriteEnabled.Value, out answ);
        return answ;
      }
      set
      {
        hfWriteEnabled.Value = value.ToString();
      }
    }
    protected void Page_Load(object sender, EventArgs e)
    {
      if (!IsPostBack)
      {
        fisVisFU(false);
        deleteOldFiles();
      }
      divNewEdit.Visible = userIsAuth && isWriteEnabled;
    }
    /// <summary>
    ///  Procedee a bonificare la cartella di upload dei files + vecchi di 3 mesi
    /// </summary>
    private void deleteOldFiles()
    {
      string dirPath = Server.MapPath(_tempUploadDir);
      // elenco files nella directory
      string[] files = Directory.GetFiles(dirPath);
      // li guardo tutti e se vecchi li elimino...
      foreach (string file in files)
      {
        FileInfo fi = new FileInfo(file);
        if (fi.LastAccessTime < DateTime.Now.AddMonths(-3))
          fi.Delete();
      }
    }

    protected void Upload(object sender, EventArgs e)
    {
      // se c'è un file
      if (FileUpload1.PostedFile != null)
      {
        string uploadedFilename = Path.GetFileName(FileUpload1.PostedFile.FileName);
        string savedFilename = Server.MapPath($"{_tempUploadDir}{DateTime.Now.ToString("yyyy-MM-dd")}_{uploadedFilename}");
        string contentType = FileUpload1.PostedFile.ContentType;
        // accedo allo stream del file allegato
        using (Stream fs = FileUpload1.PostedFile.InputStream)
        {
          // scrivo su file
          FileStream file = new FileStream(savedFilename, FileMode.Create, FileAccess.Write);
          fs.CopyTo(file);
          file.Close();
          // chiamo procedura SQL x import... !!!FIXME!!!      


          // !!!HARD CODED!!!
          int batchID = 2;
          // alla fine ottengo da SQL un BatchID univoco... salvo in SESSIONE!!!
          memLayer.ML.setSessionVal("batchID", batchID);
          raiseEvent();
        }
      }
      Response.Redirect(Request.RawUrl);
    }



    protected void btnAdd_Click(object sender, EventArgs e)
    {
      fisVisFU(true);
      btnUpload.Text = "Carica Nuovo";
    }
    /// <summary>
    /// fix visibilità controllo file upload
    /// </summary>
    /// <param name="showAdd">mostra controlli add=true oppure nasconde = false</param>
    private void fisVisFU(bool showAdd)
    {
      divFileUpl.Visible = showAdd;
      btnAdd.Visible = !showAdd;
      btnCancel.Visible = showAdd;
    }

    protected void btnCancel_Click(object sender, EventArgs e)
    {
      fisVisFU(false);
    }

  }
}