/*
    * 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.formats.png;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.awt.Color;
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayOutputStream;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.imaging.Imaging;
  import org.junit.jupiter.api.Test;
  
  public class PngTextTest extends AbstractPngTest {
  
      @Test
      public void test() throws Exception {
          final int width = 1;
          final int height = 1;
          final BufferedImage srcImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
          srcImage.setRGB(0, 0, Color.red.getRGB());
  
          final PngImagingParameters writeParams = new PngImagingParameters();
  
          final List<AbstractPngText> writeTexts = new ArrayList<>();
          {
              final String keyword = "a";
              final String text = "b";
              writeTexts.add(new AbstractPngText.Text(keyword, text));
          }
          {
              final String keyword = "c";
              final String text = "d";
              writeTexts.add(new AbstractPngText.Ztxt(keyword, text));
          }
          {
              final String keyword = "e";
              final String text = "f";
              final String languageTag = "g";
              final String translatedKeyword = "h";
              writeTexts.add(new AbstractPngText.Itxt(keyword, text, languageTag, translatedKeyword));
          }
  
          writeParams.setTextChunks(writeTexts);
  
          final PngImageParser pngImageParser = new PngImageParser();
          final byte[] bytes;
          try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
              pngImageParser.writeImage(srcImage, baos, writeParams);
              bytes = baos.toByteArray();
          }
  
          final PngImageInfo imageInfo = (PngImageInfo) Imaging.getImageInfo(bytes);
          assertNotNull(imageInfo);
  
          final List<AbstractPngText> readTexts = imageInfo.getTextChunks();
          assertEquals(readTexts.size(), 3);
          for (final AbstractPngText text : readTexts) {
              switch (text.keyword) {
              case "a":
                  assertEquals(text.text, "b");
                  break;
              case "c":
                  assertEquals(text.text, "d");
                  break;
              case "e":
                  assertEquals(text.text, "f");
                  break;
              default:
                  fail("unknown text chunk.");
                  break;
              }
          }
      }
  
  }