package uk.ac.leeds.ccg.cluster;
/** Besag and Newell Kth nearest neighbour parameters class
 */
import java.io.*;
import java.awt.*;
import java.awt.event.*;
public class KnnParameters extends Parameters
{
    // Version id
    private static final String version = "$id$";

    // Members
    /**@param k number of nearest neighbours
     */
    private int k; // Number of nearest neighbours

    // Constructors
    public KnnParameters(){
	setDefaultParameters();
    }

    public KnnParameters(File file)
	throws IOException,FileNotFoundException{
        // Read into a stream tokenised buffered input stream
	StreamTokenizer st = new StreamTokenizer
	    ( new BufferedReader
		( new InputStreamReader
		    ( new FileInputStream (file))));
	System.out.println ("Setting Knn parameters from "+file);
	st.nextToken();
	if (st.sval.equalsIgnoreCase("true")) {setAnimate(true);}
	else {setAnimate(false);}	
	st.nextToken();
	setK((int)st.nval);
	st.nextToken();
	st.nextToken();
	setSignificanceThreshold(st.nval);
	st.nextToken();
        setMinPopSize(st.nval);
	st.nextToken();
	setMinIncidenceCount(st.nval);
	st.nextToken();
	setMonteCarloRejectionCount(st.nval);
	st.nextToken();
	setStatType((int)st.nval);
	st.nextToken();
	setMinPointCount((int)st.nval);
	st.nextToken();
	setBootstrapSampleSize((int)st.nval);
	st.nextToken();
	setMonteCarloSampleSize((int)st.nval);
	st.nextToken();
	setMultipleTestReruns((int)st.nval);
    }

    public KnnParameters(boolean animate,
			 int k,
			 double thresh,
			 double popMin,
			 double canMin,
			 double hH,
			 int meas,
			 int minPnt, 
			 int maxSam,
			 int maxMC,
			 int maxRep){
	setAnimate(animate);
	setK(k);
	setSignificanceThreshold(thresh);
	setMinPopSize(popMin);
	setMinIncidenceCount(canMin);
	setMonteCarloRejectionCount(hH);
	setStatType(meas);
	setMinPointCount(minPnt);
	setBootstrapSampleSize(maxSam);
	setMonteCarloSampleSize(maxMC);
	setMultipleTestReruns(maxRep);
    }

    // Methods
    public String toString(){
        return
	    "[animate "+getAnimate()+"]\n"+
	    "[Number of nearest neighbours "+getK()+"]\n"+
	    "[significance threshold "+getSignificanceThreshold()+"]\n"+
	    "[minimum population size "+getMinPopSize()+"]\n"+
	    "[minimum incidence count "+getMinIncidenceCount()+"]\n"+
	    "[rejection count for Monte Carlo test "+getMonteCarloRejectionCount()+"]\n"+
	    "[type of statistic "+ getStatType()+"]\n"+
	    "[minimum point count "+getMinPointCount()+"]\n"+
	    "[sample size for bootstrap "+getBootstrapSampleSize()+"]\n"+
	    "[integer Monte Carlo sample size "+getMonteCarloSampleSize()+"]\n"+
	    "[number of multiple testing re-runs "+getMultipleTestReruns()+"]\n";
    }

    public Parameters getParameters() {return this;}

    public void setParameters(boolean animate,
			      int k,
			      double thresh,
			      double popMin,
			      double canMin,
			      double hH,
			      int meas,
			      int minPnt, 
			      int maxSam,
			      int maxMC,
			      int maxRep){
	setAnimate(animate);
	setK(k);
	setSignificanceThreshold(thresh);
	setMinPopSize(popMin);
	setMinIncidenceCount(canMin);
	setMonteCarloRejectionCount(hH);
	setStatType(meas);
	setMinPointCount(minPnt);
	setBootstrapSampleSize(maxSam);
	setMonteCarloSampleSize(maxMC);
	setMultipleTestReruns(maxRep);
    }

    public void setDefaultParameters(){
	setK(5);
	super.setDefaultParameters();
    }

    public int getK() {return k;}
    public void setK(int i) {k=i;}

    public void writeParameters(File file)
	throws IOException,FileNotFoundException{    
	PrintWriter pw = new PrintWriter
	    ( new BufferedWriter
		( new OutputStreamWriter
		    ( new FileOutputStream (file))));
	pw.println(getAnimate());
	pw.println(getK());
	pw.println(getSignificanceThreshold());
	pw.println(getMinPopSize());
	pw.println(getMinIncidenceCount());
	pw.println(getMonteCarloRejectionCount());
	pw.println(getStatType());
	pw.println(getMinPointCount());
	pw.println(getBootstrapSampleSize());
	pw.println(getMonteCarloSampleSize());
	pw.println(getMultipleTestReruns());
	System.out.println ("Parameters saved to "+file);
	pw.flush();
	pw.close();
    }
}