package com.nsi.components.report;

import java.io.ByteArrayOutputStream;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nsi.components.util.LoginuserUtil;
import com.nsi.control.event.NsiEvent;
import com.nsi.control.exceptions.NsiEventException;
import com.nsi.control.web.handles.ReqHandler;
import com.nsi.reports.Report;
import com.nsi.reports.ReportManager;
import com.nsi.reports.ReportResponse;
import com.nsi.reports.ReportUtil;

/**
 * @author Chris Ye, created on Oct 26, 2008
 *
 * IndTsRptReqHandler
 */
public class IndTsRptReqHandler implements ReqHandler
{
	private final static Log log = LogFactory.getLog(IndTsRptReqHandler.class);
	
	/**
	 * @see com.nsi.control.web.handles.ReqHandler#processRequest(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	 */
	public NsiEvent processRequest(HttpServletRequest request, HttpServletResponse response) throws NsiEventException
	{
		NsiEvent evt = new ReportEvent();
		try
		{
			String resouceid = LoginuserUtil.getInstance().getLoginresourceid(request);
			String fromdate = ( String )request.getParameter("startdate");
			String todate = ( String )request.getParameter("enddate");
			String reporttype = ( String )request.getParameter("reporttype");
			String projectid = "0";
			Object objprojectid = request.getParameter("projectid");
			if( objprojectid != null )
			{
				projectid = ( String )objprojectid;
			}
			log.error("processRequest() -- fromdate["+ fromdate+ "], todate["+ todate+ "],reporttype["+ reporttype+ "], projectid["+ projectid+"]" );
			Report rpt = ReportUtil.getInstance().prepareTsRpt(resouceid, fromdate, todate,reporttype,projectid);
			ReportResponse rptresponse = ReportManager.getInstance().executeRpt(rpt);
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			baos.write(rptresponse.getResultbytes() );
			response.setContentType("application/pdf");
			response.setContentLength(baos.size());
			ServletOutputStream out = response.getOutputStream();
			baos.writeTo(out);
			out.flush();
			out.close();
		}
		catch( Exception ex )
		{
			log.error("processRequest() -- caught exception : ", ex );
			throw new NsiEventException( "report handler -- processRequest() caught exception : ", ex );
		}
		return evt;
	}
}