/*
 * Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
 *
 * Portions of this software were developed by the Unidata Program at the
 * University Corporation for Atmospheric Research.
 *
 * Access and use of this software shall impose the following obligations
 * and understandings on the user. The user is granted the right, without
 * any fee or cost, to use, copy, modify, alter, enhance and distribute
 * this software, and any derivative works thereof, and its supporting
 * documentation for any purpose whatsoever, provided that this entire
 * notice appears in all copies of the software, derivative works and
 * supporting documentation.  Further, UCAR requests that the user credit
 * UCAR/Unidata in any publications that result from the use of this
 * software or in any product that includes this software. The names UCAR
 * and/or Unidata, however, may not be used in any advertising or publicity
 * to endorse or promote any products or commercial entity unless specific
 * written permission is obtained from UCAR/Unidata. The user also
 * understands that UCAR/Unidata is not obligated to provide the user with
 * any support, consulting, training or assistance of any kind with regard
 * to the use, operation and performance of this software nor to provide
 * the user with any updates, revisions, new versions or "bug fixes."
 *
 * THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
 */
package ucar.nc2;

import org.junit.Test;
import org.junit.experimental.categories.Category;
import ucar.unidata.util.test.category.NeedsCdmUnitTest;
import ucar.unidata.util.test.TestDir;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

/** test FileWriting, then reading back and comparing to original. */
@Category(NeedsCdmUnitTest.class)
public class TestCompareFileWriter {

  public ArrayList files;

  @Test
  public void testCompare() throws IOException {
    doOne( new File(TestDir.cdmUnitTestDir, "formats/dmsp/F14200307192230.n.OIS"));
    doOne( new File(TestDir.cdmUnitTestDir, "formats/gempak/grid/dgex_le.gem"));
    doOne( new File(TestDir.cdmUnitTestDir, "formats/gempak/surface/19580807_sao.gem"));
    doOne( new File(TestDir.cdmUnitTestDir, "formats/gini/SUPER-NATIONAL_8km_WV_20051128_2200.gini"));
    doOne( new File(TestDir.cdmUnitTestDir, "formats/grib1/radar_national.grib"));
    doOne( new File(TestDir.cdmUnitTestDir, "formats/grib2/200508041200.ngrid_gfs")); // */
    //doOne( new File(TestDir.cdmUnitTestDir, "formats/hdf4/17766010.hdf"));
  }

  public void utestCompareAll() throws IOException {
    readAllDir(TestDir.cdmUnitTestDir +"formats/gini/");
  }

  @Test
  public void problem() throws IOException {
    doOne( new File(TestDir.cdmUnitTestDir, "formats/grib1/radar_national.grib"));
  }

  void readAllDir(String dirName) throws IOException {
    System.out.println("---------------Reading directory "+dirName);
    File allDir = new File( dirName);
    File[] allFiles = allDir.listFiles();

    for (int i = 0; i < allFiles.length; i++) {
      File f = allFiles[i];
      if (f.isDirectory()) continue;
      doOne(f);
    }

    for (int i = 0; i < allFiles.length; i++) {
      File f = allFiles[i];
      if (f.isDirectory())
        readAllDir(allFiles[i].getAbsolutePath());
    }

  }

  private void doOne(File fin) throws IOException {
    File fout = new File(TestDir.temporaryLocalDataDir+fin.getName()+".nc");
    System.out.printf("Write %s %n   to %s (%s %s)%n", fin.getAbsolutePath(), fout.getAbsolutePath(), fout.exists(), fout.getParentFile().exists());

    NetcdfFile ncfileIn = ucar.nc2.dataset.NetcdfDataset.openFile(fin.getPath(), null);
    FileWriter2 fileWriter = new FileWriter2(ncfileIn, fout.getPath(), NetcdfFileWriter.Version.netcdf3, null);
    NetcdfFile ncfileOut = fileWriter.write();
    ucar.unidata.util.test.CompareNetcdf.compareFiles(ncfileIn, ncfileOut);

    ncfileIn.close();
    ncfileOut.close();
    System.out.printf("%n");
  }

}