package cz.frantovo.hrisniciSpameri.grafy;

import de.laures.cewolf.DatasetProduceException;

import de.laures.cewolf.DatasetProducer;

import de.laures.cewolf.links.CategoryItemLinkGenerator;

import de.laures.cewolf.tooltips.CategoryToolTipGenerator;

import java.io.Serializable;

import java.util.Calendar;

import java.util.Date;

import java.util.Map;

import org.jfree.data.category.CategoryDataset;

import org.jfree.data.time.Day;

import org.jfree.data.time.TimeSeries;

import org.jfree.data.time.TimeSeriesCollection;

import org.jfree.data.xy.XYDataset;

/**

 *

 * @author fiki

 */

public class CasovyGrafUtoku implements DatasetProducer, CategoryToolTipGenerator, CategoryItemLinkGenerator, Serializable {

    private static final long serialVersionUID = -9133218147909088777L;

    public XYDataset produceDataset(Map params) throws DatasetProduceException {

        System.setProperty("java.awt.headless", "true");

        TimeSeries timeseries = new TimeSeries("fond", org.jfree.data.time.Day.class);

        TimeSeriesCollection dataset = new TimeSeriesCollection();

        Calendar datum = Calendar.getInstance();

        for (int i = 0; i < 11; i++) {

            datum.add(Calendar.DAY_OF_YEAR, -1);

            double nahodneCislo = 100 - 10 * i - 20 * Math.random();

            timeseries.add(new Day(datum.getTime()), nahodneCislo);

        }

        dataset.addSeries(timeseries);

        return dataset;

    }

    public boolean hasExpired(Map params, Date since) {

        return (System.currentTimeMillis() - since.getTime()) > 5000;

    }

    public String getProducerId() {

        return this.getClass().getSimpleName();

    }

    public String generateToolTip(CategoryDataset data, int series, int item) {

        return "";

    }

    public String generateLink(Object dataset, int series, Object category) {

        return "";

    }

}