Terrasaur/src/main/java/terrasaur/gui/TranslateTimeController.java

/*
 * The MIT License
 * Copyright © 2025 Johns Hopkins University Applied Physics Laboratory
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package terrasaur.gui;

import java.net.URL;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.util.NavigableSet;
import java.util.ResourceBundle;
import java.util.TreeSet;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.stage.Stage;
import spice.basic.SpiceException;
import terrasaur.apps.TranslateTime;
import terrasaur.utils.AppVersion;

public class TranslateTimeController implements Initializable {

    private TranslateTime tt;

    public TranslateTimeController(Stage stage) {
        this.tt = TranslateTimeFX.tt;
    }

    @Override
    public void initialize(URL location, ResourceBundle resources) {
        this.title.setText("Translate Time");
        this.version.setText(AppVersion.getVersionString());

        // populate SCLK menu
        NavigableSet<Integer> sclkIDs = new TreeSet<>(TranslateTimeFX.sclkIDs);
        this.sclkChoice.getItems().addAll(sclkIDs);
        this.sclkChoice.getSelectionModel().selectedIndexProperty().addListener(new ChangeListener<Number>() {

            @Override
            public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
                tt.setSCLKKernel(sclkChoice.getItems().get((Integer) newValue));
            }
        });
        this.sclkChoice.getSelectionModel().select(0);

        try {
            String zTime = ZonedDateTime.now(ZoneOffset.UTC).toString().strip();
            // strip off the final "Z"
            this.tt.setUTC(zTime.substring(0, zTime.length() - 1));
            updateTime();
        } catch (SpiceException e) {
            e.printStackTrace();
        }
    }

    @FXML
    private Label title;

    @FXML
    private Label version;

    @FXML
    private TextField julianString;

    @FXML
    private void setJulian() throws NumberFormatException, SpiceException {
        if (julianString.getText().trim().length() > 0) tt.setJulianDate(Double.parseDouble(julianString.getText()));
        updateTime();
    }

    @FXML
    private ChoiceBox<Integer> sclkChoice;

    @FXML
    private TextField sclkString;

    @FXML
    private void setSCLK() throws SpiceException {
        if (sclkString.getText().trim().length() > 0) tt.setSCLK(sclkString.getText());
        updateTime();
    }

    @FXML
    private TextField tdbString;

    @FXML
    private void setTDB() throws SpiceException {
        if (tdbString.getText().trim().length() > 0) tt.setTDB(Double.parseDouble(tdbString.getText()));
        updateTime();
    }

    @FXML
    private TextField tdbCalendarString;

    @FXML
    private void setTDBCalendar() throws SpiceException {
        if (tdbCalendarString.getText().trim().length() > 0) tt.setTDBCalendarString(tdbCalendarString.getText());
        updateTime();
    }

    @FXML
    private TextField utcString;

    @FXML
    private Label utcLabel;

    @FXML
    private void setUTC() throws SpiceException {
        if (utcString.getText().trim().length() > 0) tt.setUTC(utcString.getText());
        updateTime();
    }

    private void updateTime() throws SpiceException {
        julianString.setText(tt.toJulian());
        sclkString.setText(tt.toSCLK().toString());
        tdbString.setText(String.format("%.6f", tt.toTDB().getTDBSeconds()));
        tdbCalendarString.setText(tt.toTDB().toString("YYYY-MM-DDTHR:MN:SC.### ::TDB"));
        utcString.setText(tt.toTDB().toUTCString("ISOC", 3));
        utcLabel.setText(String.format("UTC (DOY %s)", tt.toTDB().toString("DOY")));
    }
}