/*
 * 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 java.util.WeakHashMap;
import jetbrains.buildServer.TeamCityState;
import jetbrains.teamcity.Activator;
import jetbrains.teamcity.SharedImages;
import jetbrains.teamcity.core.Util;
import jetbrains.teamcity.core.jobs.RemoteRunPreparationJob;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.IProgressService;
import org.jetbrains.annotations.Nullable;

public class RemoteRunActionDelegate extends Action implements IActionDelegate, IViewActionDelegate {

    private static final String ACTTION_ID = "jetbrains.teamcity.core.remoterun.acttion"; //$NON-NLS-1$

    private static final WeakHashMap<RemoteRunActionDelegate, RemoteRunActionDelegate> ourRegistry = new WeakHashMap<RemoteRunActionDelegate, RemoteRunActionDelegate>();

    private ISelection mySelection;

    private IAction myAction;

    private boolean mySkipSynchronization = false;

    public static final String REMOTE_RUN_ACTION_IMG = SharedImages.REMOTE_RUN_ACTION_IMG;

    public static final String REMOTE_RUN_ACTION_NAME = Messages.getString("RemoteRunAction.action.name"); //$NON-NLS-1$

    public RemoteRunActionDelegate() {
        super(REMOTE_RUN_ACTION_NAME, SharedImages.getImageDescriptorByPath(REMOTE_RUN_ACTION_IMG));
        register(this);
    }

    RemoteRunActionDelegate(/*final IStructuredSelection selection, */boolean skipSynchronization) {
        super();
        //		setSelection(selection);
        mySkipSynchronization = skipSynchronization;
    }

    private static synchronized void register(final RemoteRunActionDelegate delegate) {
        ourRegistry.put(delegate, delegate);
    }

    private void setEnableSuper(boolean enabled) {
        if (myAction != null) {
            myAction.setEnabled(enabled);
        }
        super.setEnabled(enabled);
    }

    @Override
    public synchronized void setEnabled(boolean enabled) {
        for (final RemoteRunActionDelegate instance : ourRegistry.keySet()) {
            instance.setEnableSuper(enabled);
        }
    }

    public RemoteRunActionDelegate(String text, ImageDescriptor image) {
        this();
        setText(text);
        setImageDescriptor(image);
    }

    public synchronized void setSelection(@Nullable final ISelection selection) {
        mySelection = selection;
    }

    public void selectionChanged(final IAction action, final ISelection selection) {
        setSelection(selection);
    }

    public void run(final IAction action) {
        myAction = action;
        run();
    }

    @Override
    public void runWithEvent(Event event) {
        run();
    }

    @Override
    public String getId() {
        return ACTTION_ID;
    }

    @Override
    public void run() {
        RemoteRunActionDelegate.this.setEnabled(false);
        PlatformUI.getWorkbench().saveAllEditors(true);
        //create an authorization wrapper to enforce login if required
        final Action innerAction = new Action() {
            @Override
            public void run() {
                BusyIndicator.showWhile(Display.getDefault(), new Runnable() {
                    public void run() {
                        final ResourceMapping[] mappings = Util.collectMappings((IStructuredSelection) mySelection, IResource.DEPTH_INFINITE);
                        final RemoteRunPreparationJob launcher = new RemoteRunPreparationJob(mappings, mySkipSynchronization);
                        final IProgressService progressService = PlatformUI.getWorkbench().getProgressService();
                        progressService.showInDialog(null, launcher);
                        launcher.addJobChangeListener(new JobChangeAdapter() {
                            @Override
                            public void done(IJobChangeEvent event) {
                                RemoteRunActionDelegate.this.setEnabled(true);
                            }
                        });
                        launcher.schedule();
                    }

                });
            }
        };
        final TeamCityState state = Activator.getDefault().getSnapshot().getState();
        if (TeamCityState.LOGGING_IN != state && TeamCityState.LOGGED_IN != state) {
            new AuthorizationActionWarpper(innerAction).run();
        } else {
            innerAction.run();
        }

//        final AuthorizationActionWarpper wrapper = new AuthorizationActionWarpper(innerAction) {
//            //			@Override
//            //			protected void loginCancelled() {
//            //				//do not forget enable action even login canceled
//            //				RemoteRunActionDelegate.this.setEnabled(true);
//            //			}
//
//        };
//        wrapper.run();
    }

    public void init(IViewPart view) {
    }

}