package de.intevation.flys.client.client.ui.stationinfo;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Grid;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.Label;

import de.intevation.flys.client.client.FLYS;
import de.intevation.flys.client.client.FLYSConstants;
import de.intevation.flys.client.shared.model.GaugeInfo;

public class GaugeInfoPanel extends VLayout {

    /** The message class that provides i18n strings.*/
    private FLYSConstants MSG = GWT.create(FLYSConstants.class);

    /** Application instance. */
    private FLYS flys;

    public GaugeInfoPanel(GaugeInfo gauge, FLYS flys) {
        this.flys = flys;
        setStyleName("gaugeinfopanel");
        setWidth100();

        Grid grid = new Grid(4, 2);

        NumberFormat nf = NumberFormat.getDecimalFormat();

        Double minw = gauge.getMinW();
        Double maxw = gauge.getMaxW();
        if (minw != null && maxw != null) {
            grid.setText(0, 0, MSG.wq_value_q());
            grid.setText(0, 1, nf.format(minw) +
                    " - " + nf.format(maxw));
        }

        Double minq = gauge.getMinQ();
        Double maxq = gauge.getMaxQ();
        if (minq != null && maxq != null) {
            grid.setText(1, 0, MSG.wq_value_w());
            grid.setText(1, 1, nf.format(minq) +
                    " - " + nf.format(maxq));
        }

        Double aeo = gauge.getAeo();
        if (aeo != null) {
            grid.setText(2, 0, "AEO [km²]");
            grid.setText(2, 1, nf.format(aeo));
        }

        Double datum = gauge.getDatum();
        if (datum != null) {
            grid.setText(3, 0, MSG.gauge_zero() + " [" +
                    gauge.getWstUnit() + "]");
            grid.setText(3, 1, nf.format(datum));
        }

        addMember(grid);
        addMember(new GaugeMainValueAnchor(flys, gauge));
    }


    /**
     * Clickable anchor that asks application to show window with
     * main values for gauge.
     */
    class GaugeMainValueAnchor extends Anchor implements ClickHandler {

        private FLYS flys;
        private GaugeInfo gauge;

        public GaugeMainValueAnchor(FLYS flys, GaugeInfo gauge) {
            super("TODO:i18n MainVALUES");
            // TODO i18n mainvalues
            this.flys = flys;
            this.gauge = gauge;

            addClickHandler(this);
        }

        @Override
        public void onClick(ClickEvent ev) {
            GWT.log("GaugeMainValueAnchor - onClick " + gauge.getRiverName() +
                    " " + gauge.getOfficialNumber());
            flys.newGaugeMainValueTable(gauge);
        }
    }
}