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

package com.fourelementscapital.db.mariadb;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;

import org.apache.commons.dbutils.BasicRowProcessor;

import com.fourelementscapital.db.FlexiFieldDB;
import com.fourelementscapital.db.GeneralUtilDB;
import com.fourelementscapital.db.vo.FlexiField;

/**
 * FlexiField MariaDB DAO implementation
 */	
public class FlexiFieldDBMariaDB extends FlexiFieldDB {
	
	
	/**
	 * {@inheritDoc}
	 */			
	public List getFlexiFields(String tablename) throws Exception {
		PreparedStatement pst=this.connection().prepareStatement("select * from flexi_field WHERE tablename=? ORDER BY displayorder");
		pst.setString(1, tablename);		
		ResultSet rs=pst.executeQuery();
		List<FlexiField> list= new BasicRowProcessor().toBeanList(rs, FlexiField.class);
		return list;
	}


	/**
	 * {@inheritDoc}
	 */			
	public void addFlexiField(FlexiField ffield) throws Exception {
		PreparedStatement pst=this.connection().prepareStatement("insert into flexi_field(fieldlabel,fieldtype,fieldoptions,tablename) values(?,?,?,?)");
		pst.setString(1, ffield.getFieldlabel());		
		pst.setString(2, ffield.getFieldtype());
		pst.setString(3, ffield.getFieldoptions());
		pst.setString(4, ffield.getTablename());
		pst.executeUpdate();
	}
	
	
	/**
	 * {@inheritDoc}
	 */			
	public void updateFlexiField(long id,FlexiField ffield) throws Exception {
		PreparedStatement pst=this.connection().prepareStatement("UPDATE flexi_field SET fieldlabel=?,fieldoptions=? WHERE id=?");
		pst.setString(1, ffield.getFieldlabel());		 
		pst.setString(2, ffield.getFieldoptions());
		pst.setLong(3, id);		
		pst.executeUpdate();
	}

	
	/**
	 * {@inheritDoc}
	 */	
	public void updateFlexiFieldOrder(long id,int order) throws Exception {
		PreparedStatement pst=this.connection().prepareStatement("UPDATE flexi_field SET displayorder=? WHERE id=?");
		pst.setInt(1, order);		 
		pst.setLong(2,id);				
		pst.executeUpdate();
	}
	
	
	/**
	 * {@inheritDoc}
	 */	
	public void deleteFlexiField(long id) throws Exception {
		PreparedStatement pst=this.connection().prepareStatement("DELETE FROM flexi_field  WHERE id=?");
		pst.setLong(1, id);		
		pst.executeUpdate();
	}


	/**
	 * {@inheritDoc}
	 */	
	public Map getFlexiFieldData (String tablename, String idfield, String idvalue) throws Exception {
		
		PreparedStatement pst=this.connection().prepareStatement("select * from "+tablename+" WHERE "+idfield+"=?");
		pst.setString(1, idvalue);		
		ResultSet rs=pst.executeQuery();
		
		HashMap data=new HashMap();
		while(rs.next()){
			long flexid= rs.getLong("flexi_field_id");
			String val=rs.getString("val");
			data.put(flexid, val);
		}
		return data;
		
	}

	
	/**
	 * {@inheritDoc}
	 */	
	public Vector<Map> getFlexiFieldData4LuceneToken (String tablename, String idfield, String idvalue) throws Exception {
		
		String query="select a.*,b.fieldlabel from "+tablename+" as a left outer join flexi_field as b on b.id=a.flexi_field_id WHERE a."+idfield+"=?";
		PreparedStatement pst=this.connection().prepareStatement(query);
		//Log.debug("getFlexiFieldData4LuceneToken() query:"+query);
		pst.setString(1, idvalue);		
		ResultSet rs=pst.executeQuery();
		Vector rtn=new Vector();
		while(rs.next()){
			//Map rdata= new BasicRowProcessor().toMap(rs);
			Map rdata = GeneralUtilDB.resultsetToMap(rs);
			rtn.add(rdata);
		}		
		return rtn; 
		
	}
	
	
	/**
	 * {@inheritDoc}
	 */	
	public void saveFlexiFieldData (String tablename, String idfield, String idvalue, Map data) throws Exception {
		
		
		PreparedStatement  pst1=this.connection().prepareStatement("DELETE FROM "+tablename+" WHERE "+idfield+"=?" );
		pst1.setString(1, idvalue);
		pst1.executeUpdate();
		pst1.close();
		
		PreparedStatement pst=this.connection().prepareStatement("insert into "+tablename+"(flexi_field_id,"+idfield+",val) values (?,?,?)");
		for(Iterator i=data.keySet().iterator();i.hasNext();){
			Object ky=i.next();
			Object val=data.get(ky);			
			Long fid=Long.parseLong(ky+"");
			pst.setLong(1, fid);
			pst.setString(2, idvalue);
			pst.setString(3, val+"");
			pst.execute();
		}		
		pst1.close();
	}
}