/*
    * 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.myfaces.tobago.renderkit.css;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  public class TobagoClassUnitTest {
  
    @Test
    public void testNames() throws NoSuchFieldException {
  
      final String fieldRegex = "[A-Z_]*[A-Z]";
      final String nameRegex = "[a-z][a-zA-Z\\-]*[a-z]";
  
      for (final TobagoClass value : TobagoClass.values()) {
        final boolean ignoreByTest = TobagoClass.class.getField(value.name()).isAnnotationPresent(Deprecated.class);
        if (!ignoreByTest) {
          final String field = value.toString();
          final String name = value.getName();
  
          Assertions.assertTrue(field.matches(fieldRegex));
          Assertions.assertTrue(name.matches(nameRegex));
  
          final StringBuilder calculatedName = new StringBuilder();
          calculatedName.append("tobago-");
          for (int i = 0; i < field.length(); i++) {
            final char c = field.charAt(i);
            if (c == '_') {
              final char nextChar = field.charAt(i + 1);
              if (nextChar == '_') {
                calculatedName.append("-");
              } else {
                calculatedName.append(nextChar);
              }
              i++;
            } else {
              calculatedName.append(Character.toLowerCase(c));
            }
          }
  
          Assertions.assertEquals(calculatedName.toString(), name, field);
        }
      }
    }
  
    /**
     * This test checks whether every item of the {@link TobagoClass} occurs in the _tobago.scss.
     */
    @Test
    public void testCompareTobagoCss() throws IOException, NoSuchFieldException {
  
      final TobagoClass[] allValues = TobagoClass.values();
      final List<TobagoClass> toCheck = new ArrayList<>();
      for (final TobagoClass value : allValues) {
        final boolean ignoreByTest = TobagoClass.class.getField(value.name()).isAnnotationPresent(Deprecated.class);
        if (!ignoreByTest) {
          toCheck.add(value);
        }
      }
  
      final List<CssItem> missing =
          CssClassUtils.compareCss("npm/scss/_tobago.scss",
              toCheck.toArray(new CssItem[0]));
  
      Assertions.assertTrue(missing.isEmpty(), "These classes are missing in _tobago.scss: " + missing);
    }
  
  }