/*
 * de.superx.etl - a package for controlling ETL routines
 * Copyright (C) 2021 Daniel Quathamer <danielq@memtext.de>
 *
 * This package is licensed under the CampusSource License; 
 * http://www.campussource.de/org/license/
 */
package de.superx.elt;

import java.io.IOException;
import java.io.PrintStream;
import java.io.StringWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.Properties;

import javax.sql.DataSource;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowCallbackHandler;
import org.springframework.jdbc.datasource.DriverManagerDataSource;

import de.memtext.rights.RightsKeyEntry;
import de.superx.common.SuperX_el;
import de.superx.common.SxResultRow;
import de.superx.common.SxResultSet;
import de.superx.common.SxSqlHelper;
import de.superx.etl.EtlUtils;
import de.superx.servlet.SxPools;
import de.superx.util.SqlStringUtils;
import freemarker.template.TemplateBooleanModel;

public class EtlActionJob extends EtlAction {
	private String mandantenID;
	private String jobTid;
	private String jobUniquename;
	private String jobLogfile;
	private String jobCaption;
	private Properties runTimeParams;

	private StringWriter sw;
	public EtlActionJob(String uniquename, String logfile, String propfile) {
		super(uniquename, logfile, propfile);
		sw=new StringWriter();
	}
	public EtlActionJob(String uniquename) {
		super(uniquename);
		sw=new StringWriter();
	}

	public StringWriter getSw() {
		return sw;
	}
	public void setSw(StringWriter sw) {
		this.sw = sw;
	}
	public void setRunTimeParams(String runTimeParamsArg) throws IOException {
		if(runTimeParamsArg!=null)
			this.runTimeParams = EtlUtils.convertStringToProperty(runTimeParamsArg);
	}

	
	public void initJob(String job,String runtimeParamsArg) throws Exception
	{
		long jetzt = new java.util.Date().getTime() ;
		EtlUtils.initJobEnvironment();
		String paramName=null;
		String paramCaption;
		String paramDefault="";
		String paramProperties="";
		if(runtimeParamsArg==null)
			runtimeParamsArg="";
		runtimeParamsArg="SUPERX_DIR="+EtlUtils.SUPERX_DIR+EtlUtils.NEWLINE+runtimeParamsArg;
		//super.addActionLog("runtimeParamsArg:"+runtimeParamsArg);
		this.setStarttime(jetzt);
		Connection myConnection=this.getDbconnection();
		if(myConnection==null)
			myConnection=this.getConnection(myConnection);
		this.setDbconnection(myConnection);
		if(!SqlStringUtils.checkValidKeyEntry(job))
			throw new SQLException("Invalid job "+job);
		String sql = "select J.tid,J.uniquename,J.caption,J.logfile, P.uniquename as param_name,P.name as param_caption, P.param_default from etl_job J left outer join etl_job_param P on (J.tid=P.etl_job_id) where J.uniquename='"+job+"';";

		SuperX_el el = new SuperX_el();
		SxSqlHelper sh=new SxSqlHelper();

		sh.execute(sql, myConnection, el);
		if (el.getError_String() != null
				&& !el.getError_String().trim().equals(""))
			throw new SQLException("\nProblem bei Job DETAILS:" + "\n\n  Meldung:"
					+ el.getError_String() + "\n  sql:" + sql);
		SxResultSet result=  el.getResultSet();
		int rownr=0;
		for (Iterator it = result.iterator(); it.hasNext();) {
			rownr++;
			SxResultRow row = (SxResultRow) it.next();
			jobTid=row.get(0).toString().trim();
			jobUniquename=row.get(1).toString().trim();
			jobCaption=row.get(2).toString().trim();
			jobLogfile=row.get(3).toString().trim();
			if(row.get(4)!=null)
				paramName=row.get(4).toString().trim();
			if(row.get(5)!=null)
				paramCaption=row.get(5).toString().trim();
			if(row.get(4)!=null)
				paramDefault=row.get(6).toString().trim();
			if(paramName!=null)
				paramProperties+=(paramName+"="+paramDefault+EtlUtils.NEWLINE);

		}
		if(rownr==0)
			throw new  Exception("Job "+job+" unbekannt");
		//this.setLogfile(jobLogfile);
		//this.appendLog("Job gefunden: "+jobCaption+EtlUtils.NEWLINE);
		super.addActionLog("Job gefunden: "+jobCaption+EtlUtils.NEWLINE);
		if(!paramProperties.equals(""))
			this.setParams(EtlUtils.convertStringToProperty(paramProperties));
		if(runtimeParamsArg!=null)
		{
			this.setRunTimeParams(runtimeParamsArg);
			super.addActionLog("Runtime Params: "+runtimeParamsArg);
		}
		if(runTimeParams!=null)
			this.setParams(de.superx.elt.EtlUtils.mergeParamProperties(this.getParams(), runTimeParams));
		super.addActionLog("Job "+jobCaption+ " initialized");
	}
	public int execute(String outfile) throws SQLException, Exception
	{
		Integer stepTid;
		String stepUniquename;
		String stepCaption;
		String stepLogfile;
		Integer stepSortnr;
		Integer stepForceContinue;
		Integer stepParentStepId;
		String stepTypeUniquename;
		String stepTypeCaption;
		String stepTypeHandler;


		int jobReturnCode=0;
		String sql = "select S.tid,"+
				"S.uniquename,"+
				"S.caption,"+
				"S.systeminfo_id,"+
				"R.sortnr,"+
				"R.force_continue::integer as force_continue,"+
				"R.parent_step_id,"+
				"S.logfile,"+
				"T.uniquename,"+
				"T.caption,"+
				"T.handler";
		sql +=" FROM etl_step S, etl_step_type T, etl_step_relation R where T.tid=S.step_type_id and R.step_id=S.tid and  R.job_id="+jobTid+" order by R.sortnr,R.tid;";

		SuperX_el el = new SuperX_el();
		SxSqlHelper sh=new SxSqlHelper();

		try {
			sh.execute(sql, this.getConnection(null), el);
		} catch (Exception e1) {
			
			super.addActionLog("Fehler beim SQL: "+sql+EtlUtils.NEWLINE+el.getError_String().trim());
			return 1;
		}
		if (el.getError_String() != null
				&& !el.getError_String().trim().equals(""))
			throw new SQLException("\nProblem bei Steps DETAILS:" + "\n\n  Meldung:"
					+ el.getError_String() + "\n  sql:" + sql);
		SxResultSet result=  el.getResultSet();
		int rownr=0;
		super.addActionLog("Steps found: "+ result.size());
		//erstmal nicht mit Zeit:  executionTime=\""+de.memtext.util.DateUtils.getTodayString()+" " + de.memtext.util.DateUtils.getNowString()+"\"
		sw.write("<?xml version=\"1.0\"  encoding=\""+SqlStringUtils.getEncoding()+"\" ?><etlAction name=\""+this.jobUniquename+"\">\n");
		for (Iterator it = result.iterator(); it.hasNext();) {
			int stepReturnCode=0;
			rownr++;
			SxResultRow row = (SxResultRow) it.next();
			stepTid=(Integer) row.get(0);
			stepUniquename=row.get(1).toString().trim();
			stepCaption=row.get(2).toString().trim();
			stepSortnr=(Integer) row.get(4);
			stepForceContinue=(Integer) row.get(5);
			stepParentStepId=(Integer) row.get(6);
			stepLogfile=row.get(7).toString().trim();
			stepTypeUniquename=row.get(8).toString().trim();;
			stepTypeCaption=row.get(9).toString().trim();;
			stepTypeHandler=row.get(10).toString().trim();;
			EtlStep myStep=new EtlStep(stepUniquename,jobLogfile,propfile);
			myStep.setOutputStringWriter(sw);
			myStep.initStep(jobUniquename, this.getParams(), stepTid,
					stepUniquename, 
					stepLogfile,
					stepCaption, 
					stepSortnr, 
					stepForceContinue, 
					stepParentStepId, 
					stepTypeUniquename, 
					stepTypeCaption, 
					stepTypeHandler);
			stepReturnCode=myStep.execute();
			super.addActionLog(myStep.getActionLog().toString());
			sw=myStep.getOutputStringWriter();
			if(stepReturnCode!=0)
			{
				if(stepForceContinue.intValue()==0)
					jobReturnCode=1;
					break;
			}
		}
		if(rownr==0)
			throw new  Exception("Steps unbekannt");
		sw.write("\n</etlAction>\n");
		if(outfile==null  || outfile.equals(""))
		{
				System.out.println(sw.toString());
				System.out.println(super.getActionLog());
		}
		else
		{
			if(jobReturnCode==1)
			{
				System.err.println(super.getActionLog());
				throw new  Exception("Fehler bei Jobausführung");
			}
			else
				System.out.println("Jobausführung Erfolg");
			try {
				de.superx.elt.EtlUtils.saveFileContentsWithEncoding(outfile, sw.toString(), null);
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
				jobReturnCode=1;
			}
		}
		long jetzt = new java.util.Date().getTime() ;
		this.setEndtime(jetzt);

		
		return jobReturnCode;
	}
}