/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.commons.imaging.bytesource;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.awt.Dimension;
  import java.awt.image.BufferedImage;
  import java.io.File;
  import java.io.IOException;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.lang.reflect.Modifier;
  import java.util.stream.Stream;
  
  import org.apache.commons.imaging.AbstractImageParser;
  import org.apache.commons.imaging.ImageFormat;
  import org.apache.commons.imaging.ImageFormats;
  import org.apache.commons.imaging.ImageInfo;
  import org.apache.commons.imaging.Imaging;
  import org.apache.commons.imaging.ImagingException;
  import org.apache.commons.imaging.ImagingParameters;
  import org.apache.commons.imaging.formats.jpeg.JpegImagingParameters;
  import org.apache.commons.imaging.formats.tiff.TiffImagingParameters;
  import org.apache.commons.imaging.internal.Debug;
  import org.apache.commons.imaging.internal.ImageParserFactory;
  import org.apache.commons.io.FileUtils;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.MethodSource;
  
  public class ByteSourceImageTest extends AbstractByteSourceTest {
  
      public static Stream<File> data() throws Exception {
          return getTestImages().stream();
      }
  
      public void checkGetBufferedImage(final File file, final byte[] bytes) throws Exception {
          final BufferedImage bufferedImage = Imaging.getBufferedImage(file);
          assertNotNull(bufferedImage);
          assertTrue(bufferedImage.getWidth() > 0);
          assertTrue(bufferedImage.getHeight() > 0);
          final int imageFileWidth = bufferedImage.getWidth();
          final int imageFileHeight = bufferedImage.getHeight();
  
          final BufferedImage imageBytes = Imaging.getBufferedImage(bytes);
          assertNotNull(imageBytes);
          assertEquals(imageFileWidth, imageBytes.getWidth());
          assertEquals(imageFileHeight, imageBytes.getHeight());
      }
  
      public void checkGetIccProfileBytes(final File imageFile, final byte[] imageFileBytes) throws Exception {
          // check guessFormat()
          final byte[] iccBytesFile = Imaging.getIccProfileBytes(imageFile);
  
          final byte[] iccBytesBytes = Imaging.getIccProfileBytes(imageFileBytes);
  
          assertEquals(iccBytesFile != null, iccBytesBytes != null);
  
          if (iccBytesFile == null) {
              return;
          }
  
          assertArrayEquals(iccBytesFile, iccBytesBytes);
      }
  
      public void checkGetImageInfo(final File imageFile, final byte[] imageFileBytes)
              throws IOException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, ImagingException {
          final boolean ignoreImageData = isPhilHarveyTestImage(imageFile);
          final ImageFormat imageFormat = Imaging.guessFormat(imageFile);
          ImagingParameters params = null;
          if (imageFormat == ImageFormats.TIFF) {
              params = new TiffImagingParameters().setReadThumbnails(!ignoreImageData);
          }
          if (imageFormat == ImageFormats.JPEG) {
              params = new JpegImagingParameters();
          }
  
          final AbstractImageParser abstractImageParser = ImageParserFactory.getImageParser(imageFormat);
  
         final ImageInfo imageInfoFile = abstractImageParser.getImageInfo(imageFile, params);
 
         final ImageInfo imageInfoBytes = abstractImageParser.getImageInfo(imageFileBytes, params);
 
         assertNotNull(imageInfoFile);
         assertNotNull(imageInfoBytes);
 
         final Method[] methods = ImageInfo.class.getMethods();
         for (final Method method2 : methods) {
             if (!Modifier.isPublic(method2.getModifiers())) {
                 continue;
             }
             if (!method2.getName().startsWith("get")) {
                 continue;
             }
             if (method2.getName().equals("getClass")) {
                 continue;
                 // if (method.getGenericParameterTypes().length > 0)
                 // continue;
             }
 
             final Object valueFile = method2.invoke(imageInfoFile, (Object[]) null);
             final Object valueBytes = method2.invoke(imageInfoBytes, (Object[]) null);
 
             assertEquals(valueFile, valueBytes);
         }
 
         // only have to test values from imageInfoFile; we already know values
         // match.
         assertTrue(imageInfoFile.getBitsPerPixel() > 0);
 
         assertNotNull(imageInfoFile.getFormat());
         assertNotSame(imageInfoFile.getFormat(), ImageFormats.UNKNOWN);
 
         assertNotNull(imageInfoFile.getFormatName());
 
         assertTrue(imageInfoFile.getWidth() > 0);
         assertTrue(imageInfoFile.getHeight() > 0);
 
         assertNotNull(imageInfoFile.getMimeType());
 
         // TODO: not all adapters count images yet.
         // assertTrue(imageInfoFile.getNumberOfImages() > 0);
 
     }
 
     public void checkGetImageSize(final File imageFile, final byte[] imageFileBytes) throws Exception {
         final Dimension imageSizeFile = Imaging.getImageSize(imageFile);
         assertNotNull(imageSizeFile);
         assertTrue(imageSizeFile.width > 0);
         assertTrue(imageSizeFile.height > 0);
 
         final Dimension imageSizeBytes = Imaging.getImageSize(imageFileBytes);
         assertNotNull(imageSizeBytes);
         assertEquals(imageSizeFile.width, imageSizeBytes.width);
         assertEquals(imageSizeFile.height, imageSizeBytes.height);
     }
 
     public void checkGuessFormat(final File imageFile, final byte[] imageFileBytes) throws Exception {
         // check guessFormat()
         final ImageFormat imageFormatFile = Imaging.guessFormat(imageFile);
         assertNotNull(imageFormatFile);
         assertNotSame(imageFormatFile, ImageFormats.UNKNOWN);
         // Debug.debug("imageFormatFile", imageFormatFile);
 
         final ImageFormat imageFormatBytes = Imaging.guessFormat(imageFileBytes);
         assertNotNull(imageFormatBytes);
         assertNotSame(imageFormatBytes, ImageFormats.UNKNOWN);
         // Debug.debug("imageFormatBytes", imageFormatBytes);
 
         assertSame(imageFormatBytes, imageFormatFile);
     }
 
     @ParameterizedTest
     @MethodSource("data")
     public void test(final File imageFile) throws Exception {
         Debug.debug("imageFile", imageFile);
         assertNotNull(imageFile);
 
         final byte[] imageFileBytes = FileUtils.readFileToByteArray(imageFile);
         assertNotNull(imageFileBytes);
         assertEquals(imageFileBytes.length, imageFile.length());
 
         if (imageFile.getName().toLowerCase().endsWith(".ico") || imageFile.getName().toLowerCase().endsWith(".tga")
                 || imageFile.getName().toLowerCase().endsWith(".jb2") || imageFile.getName().toLowerCase().endsWith(".pcx")
                 || imageFile.getName().toLowerCase().endsWith(".dcx") || imageFile.getName().toLowerCase().endsWith(".psd")
                 || imageFile.getName().toLowerCase().endsWith(".wbmp") || imageFile.getName().toLowerCase().endsWith(".xbm")
                 || imageFile.getName().toLowerCase().endsWith(".xpm")) {
             // these formats can't be parsed without a file name hint.
             // they have ambiguous "magic number" signatures.
             return;
         }
 
         checkGuessFormat(imageFile, imageFileBytes);
 
         if (imageFile.getName().toLowerCase().endsWith(".png") && imageFile.getParentFile().getName().equalsIgnoreCase("pngsuite")
                 && imageFile.getName().toLowerCase().startsWith("x")) {
             return;
         }
 
         checkGetIccProfileBytes(imageFile, imageFileBytes);
 
         if (!imageFile.getParentFile().getName().toLowerCase().equals("@broken")) {
             checkGetImageInfo(imageFile, imageFileBytes);
         }
 
         checkGetImageSize(imageFile, imageFileBytes);
 
         final ImageFormat imageFormat = Imaging.guessFormat(imageFile);
         if (ImageFormats.JPEG != imageFormat && ImageFormats.WEBP != imageFormat && ImageFormats.UNKNOWN != imageFormat) {
             checkGetBufferedImage(imageFile, imageFileBytes);
         }
     }
 }