/*
 * Copyright 2000-2020 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 jetbrains.teamcity.ui.actions;

import jetbrains.teamcity.Activator;
import jetbrains.teamcity.core.JdtUtil;
import jetbrains.teamcity.ui.UIUtil;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.ui.PartInitException;
import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;
import java.util.Collection;

public class OpenJavaTypeAction extends Action {

    private static final String GO_TO_FILE = Messages.getString("OpenTestAction.name"); //$NON-NLS-1$

    private final String myClassName;
    private final boolean myIsActivate;

    public OpenJavaTypeAction(String className, boolean activate) {
        super(GO_TO_FILE);
        myClassName = className;
        myIsActivate = activate;
    }

    private void openJavaElement() {
        try {
            final Collection<IJavaElement> elements = JdtUtil.findClass(myClassName);

            if (elements.isEmpty()) {
                OpenTestAction.showNotFound(myClassName);

            } else if (elements.size() == 1) {
                openInEditor(elements.iterator().next());

            } else {
                // found multiple
                final ArrayList<IAction> actions = new ArrayList<IAction>();
                for (final IJavaElement element : elements) {
                    Action action = new Action(JdtUtil.getElementName(element)) {
                        @Override
                        public void run() {
                            try {
                                openInEditor(element);
                            } catch (CoreException e) {
                                Activator.getDefault().getLog().log(e.getStatus());
                            }
                        }
                    };
                    actions.add(action);
                }
                UIUtil.showChoice(actions);
            }
        } catch (CoreException e) {
            Activator.getDefault().getLog().log(e.getStatus());
        }
    }

    private void openInEditor(@NotNull final IJavaElement element) throws JavaModelException, PartInitException {
        JavaUI.openInEditor(element, myIsActivate, true);
    }


    @Override
    public void run() {
        openJavaElement();
    }

}