/*
 * Copyright (c) 2014 Paul Scherrer Institute. All rights reserved.
 */
package ch.psi.mxsc;

import ch.psi.pshell.device.Device;
import ch.psi.pshell.device.DeviceBase;
import ch.psi.pshell.imaging.DimensionDouble;
import ch.psi.pshell.imaging.PointDouble;
import java.io.IOException;
import java.util.ArrayList;

/**
 *
 */
public class BasePlate extends DeviceBase {
    
    final static PointDouble[] pucksPosition = new PointDouble[]{
        new PointDouble(0, 75),
        new PointDouble(0, 150),
        new PointDouble(64.95, 187.5),
        new PointDouble(129.9, 150),
        new PointDouble(64.95, 112.5),
        new PointDouble(64.95, 37.5),
        new PointDouble(129.9, 75),
        new PointDouble(194.85, 37.5),
        new PointDouble(194.85, -37.5),
        new PointDouble(129.9, 0),
        new PointDouble(64.95, -37.5),
        new PointDouble(129.9, -75),
        new PointDouble(129.9, -150),
        new PointDouble(64.95, -187.5),
        new PointDouble(64.95, -112.5),
        new PointDouble(0, -75),
        new PointDouble(0, -150),
        new PointDouble(-64.95, -187.5),
        new PointDouble(-129.9, -150),
        new PointDouble(-64.95, -112.5),
        new PointDouble(-64.95, -37.5),
        new PointDouble(-129.9, -75),
        new PointDouble(-194.85, -37.5),
        new PointDouble(-194.85, 37.5),
        new PointDouble(-129.9, 0),
        new PointDouble(-64.95, 37.5),
        new PointDouble(-129.9, 75),
        new PointDouble(-129.9, 150),
        new PointDouble(-64.95, 187.5),
        new PointDouble(-64.95, 112.5)
    };
    final static int numberOfPucks = pucksPosition.length;
    //final static DimensionDouble size = new DimensionDouble(580.0, 580.0);
    final static DimensionDouble size = new DimensionDouble(470.0, 470.0);

    BasePlate() {
        super("BasePlate", new BasePlateConfig());
        ArrayList<Puck> pucks = new ArrayList<>();
        for (int i = 0; i < numberOfPucks; i++) {
            new Puck(this, i);            
        }        
        getPucks()[0].setSelected(true);
    }

    @Override
    protected void doInitialize() throws IOException, InterruptedException {
        super.doInitialize();
    }

    @Override
    public BasePlateConfig getConfig() {
        return (BasePlateConfig) super.getConfig();
    }


    
    public Puck[] getPucks() {
        ArrayList<Puck> ret = new ArrayList<>();
        for (Device d : getChildren()) {
            ret.add((Puck) d);
        }
        return ret.toArray(new Puck[0]);
    }
    
    
    Puck getSelectedPuck(){
        for (Puck p:getPucks()){
            if (p.isSelected()){
                return p;
            }
        }
        return null;        
    }
        
    Sample getSelectedSample(){
        Puck puck = getSelectedPuck();
        if (puck != null){
            for (Sample s: puck.getSamples()){
                if (s.isSelected()){
                    return s;
                }
            }
        }
        return null;        
    }
    
    void resetSelection(){
        Puck puck = getSelectedPuck();
        if (puck != null){
            puck.setSelected(false);
        }
    }
    
    Sample getLoadedSample(){
        for (Puck p:getPucks()){
            for (Sample s: p.getSamples()){
                if (s.isLoaded()){
                    return s;
                }
            }
        }
        return null;        
    }    
    
    void resetLoadedSample(){
        for (Puck p:getPucks()){
            for (Sample s: p.getSamples()){
                s.setLoaded(false);
            }
        }    
    }        
    

    DimensionDouble getSize(){
        return size;
    }
    
    public int getNumberOfPucks() {
        return numberOfPucks;
    }

    public PointDouble getPuckPosition(Puck puck) {
        return pucksPosition[puck.index];
    }
   
    public Puck getPuckByName(String name) {
        for (Device d : getChildren()) {
            if (d.getName().equals(name)){
                return (Puck) d;
            }
        }
        return null;
    }    
    
    
    public void loadSample(Sample sample) throws Exception{
        Sample loaded = getLoadedSample();
        if (loaded !=null){
            throw new Exception("Sample already loaded: " + loaded);
        }        
        if (sample!=null){
            resetLoadedSample();
            //TODO
            sample.setLoaded(true);
        }
    }
    
    public void unloadSample(Sample sample) throws Exception{
        if (sample!=null){
            //TODO
            resetLoadedSample();
        }                
    }
    
    public void loadSample() throws Exception{
        loadSample(getSelectedSample());
    }    

    public void unloadSample() throws Exception{
        unloadSample (getLoadedSample());
    }
    
    
    void onSelectionChanged(){
        Sample sample = getSelectedSample();
        if (sample!=null){
            //setCache(sample.getName());
            setCache(new Object[]{sample.getPuck().segment, sample.getPuck().number, sample.index+1});
        } else {
            Puck puck = getSelectedPuck();
            if (puck!=null){
                //setCache(puck.getName());
                setCache(new Object[]{puck.segment, puck.number, null});
            }
        }
        setCache(null);
    }
    
}