package de.superx.sxrest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Request;

import java.io.File;

import javax.servlet.http.HttpServletRequest;
import de.memtext.util.DateUtils;
import de.memtext.util.FileUtils;
import de.superx.common.SxUser;
import de.superx.servlet.SuperXManager;

@Path("/logs")

public class LogsProvider {
    @Context
    Request request;

    @GET
    @Path("/{logtype}")
    @Produces(MediaType.TEXT_PLAIN)
    public String printLogs(@PathParam("logtype") String logtype,
    		@QueryParam("loglines") Integer loglines,
    		@Context HttpServletRequest request) {
    	String returntext="";
    	SxUser user = (SxUser) request.getSession().getAttribute("user");
    	String mandantenid= (String) request.getSession().getAttribute("MandantenID");
    	if(mandantenid==null || mandantenid.equals(""))
    		mandantenid="default";
    	
    	if (user == null || !user.isAdmin()) {
    		returntext="Fehlende Rechte";
    	}
    	else
    	{
    		if(logtype.equals("activity")|| logtype.equals("fmsql")|| logtype.equals("sql") || logtype.equals("xml"))
    		{
			returntext = getMaskLogs(mandantenid,logtype);
    		}
    		else
    			returntext=getTomcatLogs(mandantenid,logtype,loglines);
		}

        return returntext;
    }
    private String getMaskLogs(String mandantenid,String logtype)
    {
        String logString;
        if(mandantenid.equalsIgnoreCase(SuperXManager.getLastMaskenSqlMandantid()))
		{
        switch (logtype) {
        case "activity" :
        	logString=SuperXManager.activityLog.toString().replace("<br>", "\n");
        	break;
        case "fmsql" :
        	logString=SuperXManager.getLastFMMaskenSql();
        	break;
        case "sql" :
        	logString=SuperXManager.getLastMaskenSql();
        	break;
        case "xml" :
        	logString=SuperXManager.getLastXml();
        	break;
        default :
        	logString="Protokoll "+logtype+ " kann nicht gelesen werden";
        	}
		}
        else
        	logString="Bitte wiederholen Sie den Aufruf mit dem jew. Mandant";
        return logString;
    }
    private String getTomcatLogs(String mandantenid,String logtype, Integer loglines)
    {
         String logFilePath="";
        if(loglines==null )
        	loglines=100;
        switch (logtype) {
        case "serverlog" :
        	logFilePath=System.getProperty("catalina.base")+File.separator+ "logs"+File.separator+"catalina.out";
        	break;
        case "serverlogsql" :
        	logFilePath=System.getProperty("catalina.base")+File.separator+ "logs"+File.separator+"superx_"+mandantenid+".log";
        	break;
        case "serverlogxml" :
        	logFilePath=System.getProperty("catalina.base")+File.separator+ "logs"+File.separator+"superx_"+mandantenid+"_xml.log";
        	break;
        default:
        	throw new RuntimeException("Logtype " + logtype + " not supported!");
        }
       String logString="Protokoll "+logFilePath+ " kann nicht gelesen werden";
        	
        File logfile = new File(logFilePath);
        if(logfile.exists())
        {
        try {
        	logString=FileUtils.tail(logfile,Integer.valueOf(loglines));
         }
         catch (Exception e)
         {
        	 logString+=": "+ e.toString();
         }
        }
        return logString;
  
    }

}