/*
 * Copyright 2013-2016 Sergey Ignatov, Alexander Zolotov, Florin Patan
 *
 * 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 com.goide.generate;

import com.goide.runconfig.testing.GoTestFramework;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiUtilBase;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;

public class GoGenerateTestMethodActionGroup extends ActionGroup {
  @NotNull
  @Override
  public AnAction[] getChildren(@Nullable AnActionEvent e) {
    if (e == null) {
      return AnAction.EMPTY_ARRAY;
    }
    Project project = e.getProject();
    Editor editor = e.getData(CommonDataKeys.EDITOR);
    if (project == null || editor == null) return AnAction.EMPTY_ARRAY;
    PsiFile file = PsiUtilBase.getPsiFileInEditor(editor, project);

    ArrayList<AnAction> children = ContainerUtil.newArrayList();
    for (GoTestFramework framework : GoTestFramework.all()) {
      if (framework.isAvailableOnFile(file)) {
        children.addAll(framework.getGenerateMethodActions());
      }
    }
    return !children.isEmpty() ? children.toArray(new AnAction[children.size()]) : AnAction.EMPTY_ARRAY;
  }
}