package compbio.cassandra;

import java.util.Calendar;
import java.util.Date;

import org.apache.log4j.Logger;

import com.datastax.driver.core.Row;
import com.datastax.driver.core.Session;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.PreparedStatement;
import com.datastax.driver.core.BoundStatement;
import com.datastax.driver.core.exceptions.QueryExecutionException;

import compbio.engine.ProteoCachePropertyHelperManager;
import compbio.cassandra.CassandraNativeConnector;

public class CassandraNewTableWriter {
	private Session session;
	private static Logger log = Logger.getLogger(CassandraNativeConnector.class);

	public CassandraNewTableWriter() {
		Session inis = CassandraNativeConnector.getSession();
		setSession(inis);
	}

	public void setSession(Session s) {
		assert s != null;
		session = s;
	}

	public boolean JobisNotInsterted(String jobid) {
		ResultSet results1 = session.execute("SELECT * FROM ProteinLog WHERE JobID = '" + jobid + "';");
		if (results1.isExhausted()) {
			return true;
		}
		return false;
	}

	public boolean JobisNotArchived(String jobid) {
		ResultSet results1 = session.execute("SELECT * FROM JpredArchive WHERE JobID = '" + jobid + "';");
		if (results1.isExhausted()) {
			return true;
		}
		return false;
	}

	/*
	 * fill new table
	 */
	public void FillNewTable() {
		long date1 = CassandraNativeConnector.getEarliestDateInDB();
		Calendar start = Calendar.getInstance();
		start.setTime(new Date(date1));
		Calendar endcal = Calendar.getInstance();
		Date end = endcal.getTime();
		for (Date date = start.getTime(); !start.after(end); start.add(Calendar.DATE, 1), date = start.getTime()) {
			final long startTime = System.currentTimeMillis();
			String query1 = "SELECT * FROM ProteinData WHERE jobtime = " + date.getTime() + ";";
			System.out.println("Query db: " + query1);
			try {
				ResultSet results = session.execute(query1);
				final long queryTime = System.currentTimeMillis();
				System.out.println("Query time for " + date.toString() + " is " + (queryTime - startTime) + " msec");
				String query2 = "INSERT INTO JobDateInfo " + "(jobday, Total)" + " VALUES (" + date.getTime() + "," + results.all().size()
						+ ");";
				System.out.println("Insert DB: " + query2);
				session.execute(query2);
			} catch (QueryExecutionException e) {
				e.printStackTrace();
			}
		}
		System.out.println("Table JobDateInfo filled");
	}

	/*
	 * fill a table with the database global parameters
	 */
	public void FillParameters() {
		Date bubu = new Date(CassandraNativeConnector.getEarliestDateInDB());
		System.out.println("Old EarliestJobDate is " + bubu.toString());

		String query1 = "SELECT jobtime FROM ProteinData LIMIT 2000000;";
		System.out.println("Query db: " + query1);
		ResultSet results = session.execute(query1);
		Calendar endcal = Calendar.getInstance();
		long newearliestday = endcal.getTime().getTime();
		while (!results.isExhausted()) {
			Row r = results.one();
			long day = r.getLong("jobtime");
			if (day < newearliestday) {
				newearliestday = day;
			}
		}
		String com = "INSERT INTO MainParameters " + "(Name, Value)" + " VALUES ('EarliestJobDate','" + String.valueOf(newearliestday)
				+ "');";
		session.execute(com);
		Date gaga = new Date(newearliestday);
		System.out.println("New EarliestJobDate is " + gaga.toString());
	}
}