/******************************************************************************
*
* Copyright: Intellectual Property of Four Elements Capital Pte Ltd, Singapore.
* All rights reserved.
*
******************************************************************************/

package com.fe.client;

import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.json.JSONArray;
import org.json.JSONObject;

import com.fourelementscapital.db.InfrastructureDB;
import com.fourelementscapital.db.RFunctionDB;
import com.fourelementscapital.db.SchedulerDB;
import com.fourelementscapital.scheduler.error.ClientError;



/**
 * This class is used for making several XHR requests, for example jquery autocomplete and autosuggest feature. 
 * @author Administrator
 *
 */
public class JspXHRRequest extends Authenticated {

	/**
	 * make sure you are not passing null request, otherwise it won't work properly
	 * @param request
	 * @throws Exception
	 */
	public JspXHRRequest(HttpServletRequest request) throws Exception {
		super(request);	
	}
	
	   
	/**
	 * Autocomplete search for scheduler name search on UI
	 * @return
	 * @throws Exception
	 */
	public String getXHRDataScheduler() throws Exception {		
		   
		   SchedulerDB sdb=SchedulerDB.getSchedulerDB();		    
				
		   try{
			   sdb.connectDB();
			   JSONArray rtn=new JSONArray();
			   if( getRequest().getParameter("term")!=null){				   
				   if(getRequest().getParameter("term")!=null){
					   String kword=getRequest().getParameter("term");
					   List data=sdb.getAutoCompleteXHR(kword);						
					   for(Iterator<Map> it=data.iterator();it.hasNext(); ){
						   Map record=it.next();
						   //System.out.println("SchedulerMgmt.getXHRDataScheduler():data:"+record);
						   rtn.put(record);
					   }
				   }
			   }
			   return rtn.toString();
			   
		   }catch(Exception e){
				ClientError.reportError(e, null);
				throw e;
			}finally{
				sdb.closeDB();
			}
		   
	}
	   
	
	
	/**
	 * Generic XHR data returned
	 * @return
	 * @throws Exception
	 */
	public String getXHRDataR() throws Exception {		
		   
		   RFunctionDB rfdb=RFunctionDB .getRFunctionDB();		   
				
		   try{
			   rfdb.connectDB();   
			   JSONArray rtn=new JSONArray();
			   if( getRequest().getParameter("term")!=null){				   
				   if(getRequest().getParameter("term")!=null){
					   String kword=getRequest().getParameter("term");
					   List data=rfdb.autoCompleteFunctions(kword);						
					   for(Iterator<Map> it=data.iterator();it.hasNext(); ){
						   Map record=it.next();			 
						   rtn.put(record);
					   }
				   }
			   }
			   return rtn.toString();
			   
		   }catch(Exception e){
				ClientError.reportError(e, null);
				throw e;
			}finally{
				rfdb.closeDB();
			}
	}

	   

	/**
	 * Notification related data in JSON format.
	 * @return
	 * @throws Exception
	 */
	public String getNotificationData() throws Exception {		
		   
		   SchedulerDB sdb=SchedulerDB.getSchedulerDB();	   
		   InfrastructureDB infrastructureDB = InfrastructureDB.getInfrastructureDB();
		   
		   try{
			   sdb.connectDB();
			   JSONObject json=new JSONObject();
			   JSONArray rtn=new JSONArray();	
			   
			   infrastructureDB.connectDB();
			   List<String> themes = infrastructureDB.getThemeByUsernameAccess(getAuthenticatedUser());
			   
			   List data=sdb.getFailedLast2Days(themes);			
			   for(Iterator<Map> it=data.iterator();it.hasNext(); ){
				   Map record=it.next();			 
				   rtn.put(record);
			   }
			   json.put("failed_scripts", rtn);
			   return json.toString();

		   }catch(Exception e){
				//ClientErrorMgmt.reportError(e, null);
				//throw e;
			   	//log.error("");
			   throw e;
			}finally{
				sdb.closeDB();
				infrastructureDB.closeDB();
			}
	   }
	   

	   /**
	    * JSON formatted data.
	    * @return
	    * @throws Exception
	    */
		public String getJSON() throws Exception {
		   String callback=getRequest().getParameter("callback");
		   SchedulerDB sdb=SchedulerDB.getSchedulerDB();
		    
		   try{
			   sdb.connectDB();
			   JSONArray rtn=new JSONArray();
			   if( getRequest().getParameter("search_name")!=null || getRequest().getParameter("search_id")!=null){
				   String query="";
				   if(getRequest().getParameter("search_name")!=null){
					   String kword=getRequest().getParameter("search_name");
					   query = sdb.getTop20IdNameByNameQuery(kword);
				   }
				   if(getRequest().getParameter("search_id")!=null){
					   String kword=getRequest().getParameter("search_id");
					   query = sdb.getTop20IdNameByIdQuery(kword);					   
				   }
				   List data=sdb.getSingleColData(query);
				
				   for(Iterator it=data.iterator();it.hasNext(); ){
					   String rec=(String)it.next();
					   rtn.put(rec);
				   }
			   }
			   return callback+"("+rtn.toString()+");";
		   }catch(Exception e){
				ClientError.reportError(e, null);
				throw e;
			}finally{
				sdb.closeDB();
			}		   
	   }
	   
	   
	   
		/**
		 * returns execution logs for the selected log item in the queue
		 * @param scheduler_id
		 * @param trigger_time
		 * @return
		 * @throws Exception
		 */
	   public String getExecutionLogs(int scheduler_id, long trigger_time) throws Exception {	
		   SchedulerDB sdb=SchedulerDB.getSchedulerDB();
			try{
				sdb.connectDB();	
				JSONArray rtn=new JSONArray();
				List list=sdb.getSchedulerExeLogs(scheduler_id,trigger_time);
				rtn.put(list);
				return rtn.toString();
			}catch(Exception e){
				ClientError.reportError(e, null);
				throw e;
			}finally{
				sdb.closeDB();
			}
		   
	   }
	   
	   
	   /**
	    * List last 2 days failed details.
	    * @param scheduelr_id
	    * @param stat
	    * @return
	    * @throws Exception
	    */
	   public String listLast2DaysFailedDetails(long scheduelr_id, String stat) throws Exception  {
		   
		   SchedulerDB sdb=SchedulerDB.getSchedulerDB();
		   try{
			   sdb.connectDB();
			   String datequery= sdb.getHistoryQueueLogsDateQuery(scheduelr_id, stat);
			   Date now=new Date();
			   List list=sdb.listOfHistoryQueueLogs(now.getTime(),datequery);
			   JSONObject json=new JSONObject();
			   json.put("list", list);
			   return json.toString();
			   
		   }catch(Exception e){
			   ClientError.reportError(e, null);
				throw e;
		   }finally{
			   sdb.closeDB();
		   }	
		   
	   }

}