// Copyright (C) 2015 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.importer.client;

import com.google.gerrit.plugin.client.Plugin;
import com.google.gerrit.plugin.client.rpc.NoContent;
import com.google.gerrit.plugin.client.rpc.RestApi;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwtexpui.globalkey.client.GlobalKey;
import com.google.gwtexpui.user.client.AutoCenterDialogBox;

public class CompleteImportDialog extends AutoCenterDialogBox {

  private final Button cancelButton;
  private final Button completeButton;

  public CompleteImportDialog(final String project, final boolean copy) {
    super(/* auto hide */ false, /* modal */ true);
    setGlassEnabled(true);
    setText("Complete Project " + (copy ? "Copy" : "Import"));

    FlowPanel buttons = new FlowPanel();

    completeButton = new Button();
    completeButton.setText("Complete");
    completeButton.addClickHandler(
        event -> {
          hide();

          new RestApi("config")
              .id("server")
              .view(Plugin.get().getName(), "projects")
              .id(project)
              .delete(
                  new AsyncCallback<NoContent>() {
                    @Override
                    public void onSuccess(NoContent result) {
                      Plugin.get().go("/x/" + Plugin.get().getName() + "/list");

                      final DialogBox successDialog = new DialogBox();
                      successDialog.setText("Project " + (copy ? "Copy" : "Import") + " Completed");
                      successDialog.setAnimationEnabled(true);

                      Panel p = new VerticalPanel();
                      p.setStyleName("importer-message-panel");
                      p.add(
                          new Label(
                              "The project " + (copy ? "copy" : "import") + " was completed."));
                      Button okButton = new Button("OK");
                      okButton.addClickHandler(event -> successDialog.hide());

                      p.add(okButton);
                      successDialog.add(p);

                      successDialog.center();
                      successDialog.show();
                    }

                    @Override
                    public void onFailure(Throwable caught) {}
                  });
        });
    buttons.add(completeButton);

    cancelButton = new Button();
    cancelButton.addStyleName("importer-cancel-button");
    cancelButton.setText("Cancel");
    cancelButton.addClickHandler(event -> hide());
    buttons.add(cancelButton);

    FlowPanel center = new FlowPanel();
    Label msg =
        new Label("Complete " + (copy ? "copy" : "import") + " of project '" + project + "'");
    msg.addStyleName("importer-complete-message");
    center.add(msg);

    center.add(buttons);
    add(center);

    setWidget(center);
  }

  @Override
  public void center() {
    super.center();
    GlobalKey.dialog(this);
    cancelButton.setFocus(true);
  }
}