package com.tarisan.servlets;


import com.tarisan.log.LogTarisan;
import com.tarisan.log.NivelLog;

import com.tarisan.util.DES;

// import com.tarisan.persistencia.DataStore;
// import com.tarisan.persistencia.PersistenciaParametros;
// import com.tarisan.util.XML2PDF;
//import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
// import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
// import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
// import java.io.PrintStream;
import java.net.URL;
import java.net.URLConnection;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;


// import java.util.Enumeration;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
// import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
//import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;


// import org.apache.log4j.Logger;
import com.tarisan.control.*;
import com.tarisan.data.Usuario;
import com.tarisan.excepcion.ExcepcionTarisan;

public class resultados_analisis extends HttpServlet
{
  private static final long serialVersionUID = 1L;

  public void doPost(HttpServletRequest req, HttpServletResponse res)
  {
    HttpSession sesion = req.getSession(true);
    if ((sesion.isNew()) || (sesion.getAttribute("USUARIO") == null))
    {
      LogTarisan.logger.log(NivelLog.INFO, "Sesión invalidada");
      try {
        res.sendRedirect(req.getContextPath() + "/html/login.html");
      } catch (IOException e) {
        LogTarisan.logger.log(NivelLog.ERROR, "Sesión invalidada. Error: " + e.toString());
      }
    }
    /*for (Enumeration e = sesion.getAttributeNames(); e.hasMoreElements(); ) {
      String atrib = (String)e.nextElement();
      System.out.println("Nombre: " + atrib);
      System.out.println(".  Valor: " + sesion.getAttribute(atrib) + ".");
    }*/
    //System.out.println("Médico: " + req.getParameter("solicitante"));

    String peticion_izasa = new String();
    
    String nombrePDF = "";
	String strMedico = ""+((Usuario)sesion.getAttribute("USUARIO")).getMedico();
	DES encrypter = new DES(strMedico);		
    nombrePDF = req.getParameter("requestID");									 
	nombrePDF = encrypter.decrypt(nombrePDF);	   
    
    try
    {
      if ((req.getParameter("borrarPDF")!=null) && (req.getParameter("borrarPDF").compareTo("1")==0)){ // Se ha pulsado en Regenenerar. Borramos el pdf
    	  /*File fichero = new File(ParametrosConfiguracion.ruta_pdf_resultados_analiticas + req.getParameter("requestID") + ".pdf");*/
    	  File fichero = new File(ParametrosConfiguracion.ruta_pdf_resultados_analiticas + nombrePDF + ".pdf");
			if(fichero.exists())
			{
				if (fichero.delete())
					LogTarisan.logger.log(NivelLog.DEBUG, "El fichero ha sido borrado satisfactoriamente: "+fichero);
				else
					LogTarisan.logger.log(NivelLog.DEBUG, "El fichero no puede ser borrado: "+fichero);
			}else{
				/*fichero = new File(ParametrosConfiguracion.ruta_pdf_resultados_analiticas + req.getParameter("requestID") + ".PDF");*/
				fichero = new File(ParametrosConfiguracion.ruta_pdf_resultados_analiticas + nombrePDF + ".PDF");
				if(fichero.exists())
				{
					if (fichero.delete())
						LogTarisan.logger.log(NivelLog.DEBUG, "El fichero ha sido borrado satisfactoriamente: "+fichero);
					else
						LogTarisan.logger.log(NivelLog.DEBUG, "El fichero no puede ser borrado: "+fichero);
				}
			}
      }
      
      /*String strSql = new String("select requestid from mg.request where requestlabel= " + req.getParameter("requestID"));*/
      String strSql = new String("select requestid from mg.request where requestlabel= " + nombrePDF);
      
      //String strSql = new String("select requestid from mg.request where requestlabel= " + -5);
      Connection conexion_izasa = ParametrosConfiguracion.dataStore.obtenerConexion();
      Statement st = conexion_izasa.prepareStatement(strSql);

      ResultSet rs = st.executeQuery(strSql);

      while (rs.next()) {
    	  LogTarisan.logger.log(NivelLog.DEBUG, "Llega 76");
    	  peticion_izasa = rs.getString("requestid");
    	  /*peticion_izasa = nombrePDF;*/
        /*System.out.println("requestid izasa = " + rs.getString("requestid"));
        System.out.println("peticion_izasa.length() = " + peticion_izasa.length());
        */
      }

      rs.close();
      ParametrosConfiguracion.dataStore.liberarConexion(conexion_izasa);
    }
    catch (Exception e)
    {
    	LogTarisan.logger.log(NivelLog.DEBUG, "Error al obtener el requestid de izasa"+e.toString());
      System.out.println("Error al obtener el requestid de izasa: ");
      e.printStackTrace();
    } catch (ExcepcionTarisan e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}

    //if (peticion_izasa.length() > 0) {
     /*String ruta = ParametrosConfiguracion.ruta_pdf_resultados;*/
      String ruta = ParametrosConfiguracion.ruta_pdf_resultados_analiticas;
      String sisop = System.getProperty("os.name");

      String slash = "\\";
      if (sisop.contains("indows"))
      {
        slash = "\\";
      }
      else {
        slash = "/";
      }
      /*File pdf = new File(ruta + slash + req.getParameter("requestID") + ".pdf");*/
      File pdf = new File(ruta + slash + nombrePDF + ".pdf");
      if (!pdf.exists())
      {
     	LogTarisan.logger.log(NivelLog.INFO, "El pdf no existe");
   	    /*PDF_izasa("https://192.168.2.102/modulab/servlet/GetPDFReportNoRedirectServlet?username=admin&password=service&requestID=" + peticion_izasa, "HTTPS", req.getParameter("requestID"));
   	    LogTarisan.logger.log(NivelLog.INFO, "Llega a 101. Peticion_izasa="+peticion_izasa+"requestid = "+req.getParameter("requestID"));*/
     	//PDF_izasa("https://192.168.2.102/modulab/servlet/GetPDFReportNoRedirectServlet?username=admin&password=service&requestID=" + peticion_izasa, "HTTPS", nombrePDF);

     	/*if (peticion_izasa.compareTo("")!=0){
         	PDF_izasa("https://192.168.2.102/modulab/servlet/GetPDFReportNoRedirectServlet?username=admin&password=service&requestID=" + peticion_izasa, "HTTPS", nombrePDF);
         	LogTarisan.logger.log(NivelLog.INFO, "Peticion_izasa="+peticion_izasa+"requestid = "+nombrePDF);
     	}else{
         	PDF_megalab("http://192.168.2.104/Sigloweb?accion=informe&usr=admin&pass=aHzQ9wHJNA&xdemo4=" + nombrePDF, "HTTP", nombrePDF);
         	LogTarisan.logger.log(NivelLog.INFO, "Peticion_megalab="+nombrePDF+"requestid = "+nombrePDF);
     	}*/
     	PDF_megalab("http://192.168.2.104/Sigloweb?accion=informe&usr=admin&pass=aHzQ9wHJNA&xdemo4=" + nombrePDF, "HTTP", nombrePDF);
     	LogTarisan.logger.log(NivelLog.INFO, "Peticion_megalab="+nombrePDF+"requestid = "+nombrePDF);
     	    	
   	    //LogTarisan.logger.log(NivelLog.INFO, "Llega a 101. Peticion_izasa="+peticion_izasa+"requestid = "+nombrePDF);
   	    //https://192.168.2.102/modulab/servlet/GetPDFReportServlet?username=admin&password=service&requestID=" + String(requestID))
        //conexionPOST("https://192.168.2.102/modulab/servlet/GetXMLRequestServlet?username=admin&password=service&requestID=" + peticion_izasa, "HTTPS");
        //XML2PDF.transformar(peticion_izasa + ".xml", "resultados_izasa.xsl", req.getParameter("requestID") + ".pdf");
      }
      else
      {
    	  LogTarisan.logger.log(NivelLog.INFO, "El pdf ya existe, no hay que crearlo: "+ruta + slash + nombrePDF + ".pdf");
      }
      LogTarisan.logger.log(NivelLog.INFO, "Vamos a mostrar el pdf");
      //ServletOutputStream stream = null;
      //BufferedInputStream buf = null;
      try {
    	  /*
        stream = res.getOutputStream();

        res.setContentType("application/pdf");

        res.setContentLength((int)pdf.length());
        FileInputStream input = new FileInputStream(pdf);
        buf = new BufferedInputStream(input);
        int readBytes = 0;

        while ((readBytes = buf.read()) != -1) {
          stream.write(readBytes);
        }
        if (stream != null)
          stream.close();
        if (buf == null) return; buf.close();
        */
    	  /*sesion.setAttribute("fichero", req.getParameter("requestID") + ".pdf");
    	  LogTarisan.logger.log(NivelLog.DEBUG, "Setattribute.fichero: "+ req.getParameter("requestID") + ".pdf");*/
    	  sesion.setAttribute("fichero", nombrePDF + ".pdf");
    	  LogTarisan.logger.log(NivelLog.DEBUG, "Setattribute.fichero: "+ nombrePDF + ".pdf");
    	  /*res.sendRedirect(req.getContextPath()+"/jsp/ver_pdf.jsp");*/
    	  /*String rutaPDF = "";
    	  rutaPDF = ParametrosConfiguracion.ruta_pdf_resultados_analiticas + req.getParameter("requestID") + ".pdf";  */
    	  /*req.getRequestDispatcher("/servlet/GestorPacientes?OPCION=34&nombrePDF="+req.getParameter("requestID") + ".pdf&tipo=1").forward(req, res);*/
    	  
    	 /* String nombrePDF = "";
		  String strMedico = ""+((Usuario)sesion.getAttribute("USUARIO")).getMedico();
		  DES encrypter = new DES(strMedico);		
	      nombrePDF = req.getParameter("requestID");									 
		  nombrePDF = encrypter.encrypt(nombrePDF);	*/
    	  
    	  req.getRequestDispatcher("/servlet/GestorPacientes?OPCION=34&nombrePDF="+req.getParameter("requestID") + "&tipo=1").forward(req, res);
		  /*req.getRequestDispatcher("/servlet/GestorPacientes?OPCION=34&nombrePDF="+nombrePDF + "&tipo=1").forward(req, res);*/
      }
      catch (Exception ioe) {
    	  LogTarisan.logger.log(NivelLog.DEBUG, "Error al generar el pdf "+ ioe.toString());
        System.out.println("Error al generar el PDF" + ioe.toString());
      }
/*    }
    else
    {
      try
      {
        ServletOutputStream stream = null;
        BufferedInputStream buf = null;
        stream = res.getOutputStream();
        res.setContentType("text/html");
        String contenido = new String();
        contenido = "<head><title>No hay resultados</title></head><body><div align=\"center\">No se han encontrado resultados para la petici&oacute;n indicada </div></body>";
        res.setContentLength(contenido.length());
        stream.write(contenido.getBytes());
        stream.close();
      }
      catch (Exception e)
      {
        System.out.println("Error al devolver el html sin resultados " + e.toString());
      }
    }
    */
  }

  public static void conexionPOST(String request, String protocolo, String ruta)
  {
    BufferedReader rd = null;
    try
    {
      URL url = new URL(request);
      if (protocolo.equals("HTTPS")) {
        url = new URL(request);
        HttpsURLConnection.setFollowRedirects(true);
        HttpsURLConnection conn1 = (HttpsURLConnection)url.openConnection();
        conn1.setDoOutput(true);
        conn1.setHostnameVerifier(new NullHostnameVerifier());
        conn1.setInstanceFollowRedirects(true);
        OutputStream os = conn1.getOutputStream();
        os.write(1);
        os.close();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));

        String requestID = new String();
        requestID = request.substring(request.lastIndexOf("requestID=") + 10);

        String sisop = System.getProperty("os.name");

        String slash = "\\";
        if (sisop.contains("indows"))
        {
          slash = "\\";
        }
        else {
          slash = "/";
        }

        FileOutputStream fileOutput = new FileOutputStream(ruta + slash + requestID + ".xml");
        BufferedOutputStream bufferedOutput = new BufferedOutputStream(fileOutput);
        byte[] array = new byte[1000];
        int leidos = conn1.getInputStream().read(array);
        while (leidos > 0)
        {
          bufferedOutput.write(array, 0, leidos);
          leidos = conn1.getInputStream().read(array);
        }
        bufferedOutput.close();
        System.out.println("Se ha generado el xml en: " + ruta + slash + requestID + ".xml");
      } else {
        URLConnection conn1 = url.openConnection();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));
      }
    }
    catch (Exception e)
    {
      System.out.println("Fallo en web request, " + e.toString());

      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
          System.out.println("Problema al cerrar el objeto lector");
        }
    }
    finally
    {
      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
          System.out.println("Problema al cerrar el objeto lector");
        }
    }
  }

  public static void conexionPOST(String request, String protocolo)
  {
    BufferedReader rd = null;
    try
    {
      URL url = new URL(request);
      if (protocolo.equals("HTTPS")) {
        url = new URL(request);
        HttpsURLConnection.setFollowRedirects(true);
        HttpsURLConnection conn1 = (HttpsURLConnection)url.openConnection();
        conn1.setDoOutput(true);
        conn1.setHostnameVerifier(new NullHostnameVerifier());
        conn1.setInstanceFollowRedirects(true);
        OutputStream os = conn1.getOutputStream();
        os.write(1);
        os.close();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));

        String requestID = new String();
        requestID = request.substring(request.lastIndexOf("requestID=") + 10);

        String ruta = LogTarisan.getPathFichero();

        String sisop = System.getProperty("os.name");
        String slash = "\\";
        if (sisop.contains("indows"))
        {
          slash = "\\";
        }
        else {
          slash = "/";
        }

        FileOutputStream fileOutput = new FileOutputStream(ruta + slash + requestID + ".xml");
        BufferedOutputStream bufferedOutput = new BufferedOutputStream(fileOutput);
        byte[] array = new byte[1000];
        int leidos = conn1.getInputStream().read(array);
        while (leidos > 0)
        {
          bufferedOutput.write(array, 0, leidos);
          leidos = conn1.getInputStream().read(array);
        }
        bufferedOutput.close();
      } else {
        URLConnection conn1 = url.openConnection();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));
      }
    }
    catch (Exception e)
    {
      System.out.println("Fallo en web request, " + e.toString());

      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
          System.out.println("Problema al cerrar el objeto lector");
        }
    }
    finally
    {
      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
          System.out.println("Problema al cerrar el objeto lector");
        }
    }
  }

  private static class DefaultTrustManager implements X509TrustManager {

      @Override
      public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}

      @Override
      public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}

      @Override
      public X509Certificate[] getAcceptedIssuers() {
          return null;
      }
  }
  
  public static void PDF_izasa(String request, String protocolo, String peticion_tarisan)
  {
    BufferedReader rd = null;
    LogTarisan.logger.log(NivelLog.INFO, "Entramos en PDF_izasa");
    try
    {
      URL url = new URL(request);
      if (protocolo.equals("HTTPS")) {
        url = new URL(request);
        

        /*TEST
         * 
         */
        SSLContext ctx = SSLContext.getInstance("TLS");
        ctx.init(new KeyManager[0], new TrustManager[] {new DefaultTrustManager()}, new SecureRandom());
        SSLContext.setDefault(ctx);

        /*
         * FIN TEST
         */ 
        HttpsURLConnection.setFollowRedirects(true);
        HttpsURLConnection conn1 = (HttpsURLConnection)url.openConnection();
        conn1.setDoOutput(true);
;
        conn1.setHostnameVerifier(new NullHostnameVerifier());
        conn1.setInstanceFollowRedirects(true);
        OutputStream os = conn1.getOutputStream();
        os.write(1);
        os.close();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));

//        String requestID = new String();
//        requestID = request.substring(request.lastIndexOf("requestID=") + 10);

        /*String ruta = ParametrosConfiguracion.ruta_pdf_resultados;*/
        String ruta = ParametrosConfiguracion.ruta_pdf_resultados_analiticas;

        String sisop = System.getProperty("os.name");
        String slash = "\\";
        if (sisop.contains("indows"))
        {
          slash = "\\";
        }
        else {
          slash = "/";
        }

        FileOutputStream fileOutput = new FileOutputStream(ruta + slash + peticion_tarisan + ".pdf");
        BufferedOutputStream bufferedOutput = new BufferedOutputStream(fileOutput);
        byte[] array = new byte[1000];
        int leidos = conn1.getInputStream().read(array);
        while (leidos > 0)
        {
          bufferedOutput.write(array, 0, leidos);
          leidos = conn1.getInputStream().read(array);
        }
        bufferedOutput.close();
      } else {
        URLConnection conn1 = url.openConnection();
        rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));
      }
    }
    catch (Exception e)
    {
   	    LogTarisan.logger.log(NivelLog.INFO, "Fallo en web request, " + e.toString());

      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
        	LogTarisan.logger.log(NivelLog.INFO, "Problema al cerrar el objeto lector");
        }
    }
    finally
    {
      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
        	LogTarisan.logger.log(NivelLog.INFO, "Problema al cerrar el objeto lector");
        }
    }
  }
  
  public static void PDF_megalab(String request, String protocolo, String peticion_tarisan)
  {
    BufferedReader rd = null;
    LogTarisan.logger.log(NivelLog.INFO, "Entramos en PDF_megalab");
    try
    {
    	URL url = new URL(request);

	    URLConnection conn1 = url.openConnection();
	    rd = new BufferedReader(new InputStreamReader(conn1.getInputStream()));
	    
	    String ruta = ParametrosConfiguracion.ruta_pdf_resultados_analiticas;

        String sisop = System.getProperty("os.name");
        String slash = "\\";
        if (sisop.contains("indows"))
        {
          slash = "\\";
        }
        else {
          slash = "/";
        }

        FileOutputStream fileOutput = new FileOutputStream(ruta + slash + peticion_tarisan + ".pdf");
        BufferedOutputStream bufferedOutput = new BufferedOutputStream(fileOutput);
        byte[] array = new byte[1000];
        int leidos = conn1.getInputStream().read(array);
        while (leidos > 0)
        {
          bufferedOutput.write(array, 0, leidos);
          leidos = conn1.getInputStream().read(array);
        }
        bufferedOutput.close();
    }
    
    catch (Exception e)
    {
   	    LogTarisan.logger.log(NivelLog.INFO, "Fallo en web request, " + e.toString());

      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
        	LogTarisan.logger.log(NivelLog.INFO, "Problema al cerrar el objeto lector");
        }
    }
    finally
    {
      if (rd != null)
        try {
          rd.close();
        } catch (IOException ex) {
        	LogTarisan.logger.log(NivelLog.INFO, "Problema al cerrar el objeto lector");
        }
    }
  }
  
  
  
  public static class NullHostnameVerifier
    implements HostnameVerifier
  {
    public boolean verify(String hostname, SSLSession session)
    {
      return true;
    }
  }
}