/*
 * Copyright 2000-2010 JetBrains s.r.o.
 *
 * Licensed 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.jetbrains.android.dom.animation;

import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.android.facet.AndroidFacet;
import org.jetbrains.android.facet.ClassMapConstructor;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.ArrayUtil;
import com.intellij.psi.PsiClass;

import java.util.List;
import java.util.ArrayList;
import java.util.Collections;

/**
 * Created by IntelliJ IDEA.
 * User: Eugene.Kudelevsky
 * Date: Jun 19, 2009
 * Time: 5:50:35 PM
 * To change this template use File | Settings | File Templates.
 */
public class AndroidAnimationUtils {
  @NonNls public static final String ANIMATION_PACKAGE = "android.view.animation";
  @NonNls private static final String INTERPOLATOR_CLASS_NAME = "android.view.animation.Interpolator";

  private AndroidAnimationUtils() {
  }

  private static final String[] TAG_NAMES = {"set", "alpha", "scale", "translate",
    "rotate", "layoutAnimation","gridLayoutAnimation", "animation-list"};

  public static String getStyleableNameByTagName(@NotNull String tagName) {
    if (tagName.equals("set")) {
      return "AnimationSet";
    }
    String capitalizedTagName = StringUtil.capitalize(tagName);
    String suffix = "Animation";
    if (ArrayUtil.find(TAG_NAMES, tagName) >= 0 && !tagName.endsWith(suffix)) {
      return capitalizedTagName + suffix;
    }
    return capitalizedTagName;
  }

  public static List<String> getPossibleChildren(@NotNull AndroidFacet facet) {
    List<String> children = new ArrayList<String>();
    Collections.addAll(children, TAG_NAMES);
    children.addAll(facet.getClassMap(INTERPOLATOR_CLASS_NAME, new ClassMapConstructor() {
      @Override
      @NotNull
      public String[] getTagNamesByClass(@NotNull PsiClass c) {
        String name = c.getName();
        return name != null ? new String[] {StringUtil.decapitalize(name)} : ArrayUtil.EMPTY_STRING_ARRAY;
      }
    }).keySet());
    return children;
  }
}