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/*
 * Copyright (c) 1998-2018 John Caron and University Corporation for Atmospheric Research/Unidata
 * See LICENSE for license information.
 */

package ucar.nc2.dataset.conv;

import ucar.nc2.dataset.CoordSysBuilder;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.NetcdfFile;
import ucar.nc2.Dimension;
import ucar.nc2.Variable;
import ucar.nc2.Attribute;
import ucar.nc2.ncml.NcMLReader;
import ucar.nc2.util.CancelTask;
import ucar.ma2.ArrayDouble;
import java.io.IOException;

/**
 * Created by IntelliJ IDEA.
 * User: yuanho
 * Date: Dec 8, 2009
 * Time: 10:40:47 AM
 * To change this template use File | Settings | File Templates.
 */
public class CEDRICRadarConvention extends CF1Convention {

  /**
   * @param ncfile test this NetcdfFile
   * @return true if we think this is a ATDRadarConvention file.
   */
  public static boolean isMine(NetcdfFile ncfile) {
    // not really sure until we can examine more files
    Dimension s = ncfile.findDimension("cedric_general_scaling_factor");
    Variable v = ncfile.findVariable("cedric_run_date");
    return v != null && s != null;
  }

  public CEDRICRadarConvention() {
    this.conventionName = "CEDRICRadar";
  }

  public void augmentDataset(NetcdfDataset ncDataset, CancelTask cancelTask) throws IOException {
    /*
     * float lat = 40.45f;
     * float lon = -104.64f;
     * ProjectionImpl projection = new FlatEarth(lat, lon);
     * 
     * Variable ct = new Variable( ncDataset, null, null, projection.getClassName());
     * ct.setDataType( DataType.CHAR);
     * ct.setDimensions( "");
     * 
     * ct.addAttribute( new Attribute("grid_mapping_name", "flat_earth"));
     * ct.addAttribute( new Attribute(_Coordinate.TransformType, "Projection"));
     * ct.addAttribute( new Attribute(_Coordinate.Axes, "GeoX GeoY"));
     * ncDataset.addVariable(null, ct);
     */
    NcMLReader.wrapNcMLresource(ncDataset, CoordSysBuilder.resourcesDir + "CEDRICRadar.ncml", cancelTask);
    Variable lat = ncDataset.findVariable("radar_latitude");
    Variable lon = ncDataset.findVariable("radar_longitude");
    float latv = (float) lat.readScalarDouble();
    float lonv = (float) lon.readScalarDouble();
    Variable pv = ncDataset.findVariable("Projection");
    pv.addAttribute(new Attribute("longitude_of_projection_origin", lonv));
    pv.addAttribute(new Attribute("latitude_of_projection_origin", latv));

    Variable tvar = ncDataset.findVariable("time");
    /*
     * Date dt = null;
     * Variable sdate = ncDataset.findVariable("start_date");
     * Variable stime = ncDataset.findVariable("start_time");
     * String dateStr = sdate.readScalarString();
     * String timeStr = stime.readScalarString();
     * try {
     * dt = DateUtil.parse(dateStr + " " + timeStr);
     * } catch (Exception e) {}
     */

    int nt = 1;

    ArrayDouble.D1 data = new ArrayDouble.D1(nt);

    // fake
    data.setDouble(0, 0);
    // data.setDouble(0, dt.getTime()/1000);

    tvar.setCachedData(data, false);

    super.augmentDataset(ncDataset, cancelTask);
  }
}