D-Net

package eu.dnetlib.repo.manager.client.enrichcontent;

import com.google.gwt.core.client.GWT;

import com.google.gwt.dom.client.Document;

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

import com.google.gwt.query.client.Function;

import com.google.gwt.user.client.Event;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.google.gwt.user.client.ui.FlowPanel;

import com.google.gwt.user.client.ui.HTML;

import com.google.gwt.user.client.ui.Widget;

import eu.dnetlib.gwt.client.help.HelpService;

import eu.dnetlib.gwt.client.help.HelpServiceAsync;

import eu.dnetlib.repo.manager.client.HelpCallback;

import eu.dnetlib.repo.manager.client.RepositoryManager;

import eu.dnetlib.repo.manager.client.RepositoryManagerWidget;

import eu.dnetlib.repo.manager.client.services.BrokerService;

import eu.dnetlib.repo.manager.client.services.BrokerServiceAsync;

import eu.dnetlib.repo.manager.shared.broker.SimpleSubscriptionDesc;

import org.gwtbootstrap3.client.ui.*;

import org.gwtbootstrap3.client.ui.constants.AlertType;

import org.gwtbootstrap3.client.ui.constants.ButtonType;

import org.gwtbootstrap3.client.ui.constants.ModalBackdrop;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import static com.google.gwt.query.client.GQuery.$;

/**

 * Created by stefania on 3/16/17.

 */

public class BrowseSubscriptionsWidget implements RepositoryManagerWidget {

    private String parentToken = "";

    private String restToken = "";

    private FlowPanel browseSubscriptionsPanel = new FlowPanel();

    private FlowPanel browseSubscriptionsColPanel = new FlowPanel();

    private FlowPanel browseSubscriptionsInnerPanel = new FlowPanel();

    private FlowPanel browseSubscriptionsBox = new FlowPanel();

    private FlowPanel browseSubscriptionsBoxContent = new FlowPanel();

    private Alert errorAlert = new Alert();

    private FlowPanel helpPanel = new FlowPanel();

    private static HelpServiceAsync helpService = GWT.create(HelpService.class);

    private static BrokerServiceAsync brokerService = GWT.create(BrokerService.class);

    public BrowseSubscriptionsWidget() {

        browseSubscriptionsPanel.addStyleName("row");

        browseSubscriptionsColPanel.addStyleName("col-lg-12");

        browseSubscriptionsColPanel.add(browseSubscriptionsInnerPanel);

        browseSubscriptionsInnerPanel.addStyleName("wrapper wrapper-content animated fadeInUp");

        browseSubscriptionsInnerPanel.add(browseSubscriptionsBox);

        browseSubscriptionsBox.addStyleName("ibox");

        browseSubscriptionsBox.add(browseSubscriptionsBoxContent);

        browseSubscriptionsBoxContent.addStyleName("ibox-content bigContent");

        errorAlert.setType(AlertType.DANGER);

        errorAlert.setDismissable(false);

        errorAlert.setVisible(false);

        browseSubscriptionsBoxContent.add(errorAlert);

        browseSubscriptionsPanel.add(browseSubscriptionsColPanel);

    }

    @Override

    public void clear() {

        browseSubscriptionsBoxContent.clear();

        errorAlert.setVisible(false);

        browseSubscriptionsPanel.remove(helpPanel);

    }

    @Override

    public void reload() {

        Document.get().getElementById("page-wrapper").removeClassName("sidebar-content");

        browseSubscriptionsBoxContent.add(errorAlert);

        helpService.getHelpById(parentToken, new HelpCallback(browseSubscriptionsColPanel, helpPanel, browseSubscriptionsPanel));

        final HTML loadingWheel = new HTML("<div class=\"loader-big\" style=\"text-align: center; padding-top: 170px; " +

                "color: rgb(47, 64, 80); font-weight: bold;\">Retrieving subscriptions...</div>" +

                "<div class=\"whiteFilm\"></div>");

        browseSubscriptionsBoxContent.addStyleName("loading-big");

        browseSubscriptionsBoxContent.add(loadingWheel);

        brokerService.getSubscriptionsOfUser(RepositoryManager.currentUser.getEmail(),

                new AsyncCallback<Map<String, List<SimpleSubscriptionDesc>>>() {

            @Override

            public void onFailure(Throwable caught) {

                browseSubscriptionsBoxContent.removeStyleName("loading-big");

                browseSubscriptionsBoxContent.remove(loadingWheel);

                errorAlert.setText("System error retrieving subscriptions.");

                errorAlert.setVisible(true);

            }

            @Override

            public void onSuccess(Map<String, List<SimpleSubscriptionDesc>> subscriptionsList) {

                browseSubscriptionsBoxContent.removeStyleName("loading-big");

                browseSubscriptionsBoxContent.remove(loadingWheel);

                createSubscriptionsList(subscriptionsList, browseSubscriptionsBoxContent);

            }

        });

    }

    @Override

    public void setToken(String parentToken, String rest) {

        this.parentToken = parentToken;

        this.restToken = rest;

    }

    @Override

    public void afterAdditionToRootPanel() {

    }

    @Override

    public Widget asWidget() {

        return browseSubscriptionsPanel;

    }

    private void addWidgetHandlers() {

        $(".delete").click(new Function() {

            public boolean f(Event e) {

                errorAlert.setVisible(false);

//                successAlert.setVisible(false);

//                warningAlert.setVisible(false);

                String[] idParts = $(e).get(0).getId().split("#");

                List<String> subscriptionIds = new ArrayList<String>();

                subscriptionIds.add(idParts[0]);

                deleteSubscriptions(subscriptionIds);

                return true;

            }

        });

    }

    private void createSubscriptionsList(Map<String, List<SimpleSubscriptionDesc>> subscriptionsList, FlowPanel subscriptionsPanel) {

        if(subscriptionsList.isEmpty()) {

            subscriptionsPanel.add(new HTML("No subscriptions found for your account"));

        } else {

            FlowPanel subscriptionsListPanel = new FlowPanel();

            subscriptionsListPanel.addStyleName("col-md-12 repos-list");

            subscriptionsPanel.add(subscriptionsListPanel);

            for(String key : subscriptionsList.keySet()) {

                FlowPanel subscriptionsForDatasourcePanel = new FlowPanel();

                subscriptionsForDatasourcePanel.addStyleName("marginBottom20");

                HTML datasourceTitle = new HTML();

                datasourceTitle.setHTML("<h1>" + key + "</h1>");

                subscriptionsForDatasourcePanel.add(datasourceTitle);

                String content = "<div class=\"row headers\">" +

                    "<div class=\"col-sm-8 header hidden-xs\"><label>Topic</label></div>" +

                    "<div class=\"col-sm-3 header hidden-xs\"><label># of notifications</label></div>" +

                    "<div class=\"col-sm-1 header hidden-xs\"><label>Actions</label></div>" +

                    "</div>";

                for(SimpleSubscriptionDesc simpleSubscriptionDesc : subscriptionsList.get(key)) {

                    content += "<div class=\"row repo\">" +

                        "<div class=\"col-sm-8\">" + simpleSubscriptionDesc.getTopic() + "</div>" +

                        "<div class=\"col-sm-3\">" + simpleSubscriptionDesc.getCount() + "</div>" +

                        "<div class=\"col-sm-1\"><a href=\"javascript:;\" id=\"" + simpleSubscriptionDesc.getId() + "#delete\" class=\"delete\">" +

                            "<i class=\"fa fa-remove\" aria-hidden=\"true\"></i></a></div>";

//                    if(datasource.getSecond()==null || datasource.getSecond().trim().isEmpty())

//                        content += "<img src=\"img/yourLogoHere.jpg\" alt=\"[Repo Logo]\" style=\"width: 45px; height: 45px\">";

//                    else

//                        content += "<img src=\"" + datasource.getSecond() + "\" alt=\"[Repo Logo]\" style=\"width: 45px; height: 45px\">";

//

//                    content += "</div>";

//

//                    if(datasource.getFirst()!=null) {

//                        content += "<div class=\"col-sm-7\"><a class=\"name\" href=\"#" + parentToken + "/" + datasource.getFirst().getValue() + "\">" +

//                                datasource.getFirst().getValue() + "</a></div>" +

//                                "<div class=\"col-sm-2 events\">" + datasource.getFirst().getSize() + "</div>" +

//                                "<div class=\"col-sm-1 actions\"><a href=\"#" + parentToken + "/" + datasource.getFirst().getValue() +

//                                "\"><i class=\"fa fa-eye\" aria-hidden=\"true\"></i></a></div>";

//                    }

                    content += "</div>";

                }

                HTML subscriptionsForDatasource = new HTML();

                subscriptionsForDatasource.setHTML(content);

                subscriptionsForDatasourcePanel.add(subscriptionsForDatasource);

                subscriptionsListPanel.add(subscriptionsForDatasourcePanel);

            }

        }

        addWidgetHandlers();

    }

    private void deleteSubscriptions(final List<String> subscriptionIds) {

        final Modal deleteSubscriptionsConfirmationPopup = new Modal();

        deleteSubscriptionsConfirmationPopup.addStyleName("confirmationModal");

        deleteSubscriptionsConfirmationPopup.setDataBackdrop(ModalBackdrop.STATIC);

        deleteSubscriptionsConfirmationPopup.setTitle("Delete Confirmation");

        HTML message = new HTML("Are you sure you want to delete the selected subscription(s)?");

        ModalBody modalBody = new ModalBody();

        modalBody.add(message);

        deleteSubscriptionsConfirmationPopup.add(modalBody);

        FlowPanel actionButtons = new FlowPanel();

        ModalFooter modalFooter = new ModalFooter();

        modalFooter.add(actionButtons);

        deleteSubscriptionsConfirmationPopup.add(modalFooter);

        Button no = new Button("Cancel");

        no.setType(ButtonType.DEFAULT);

        no.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                deleteSubscriptionsConfirmationPopup.hide();

                deleteSubscriptionsConfirmationPopup.removeFromParent();

            }

        });

        actionButtons.add(no);

        Button yes = new Button("Yes, delete them");

        yes.setType(ButtonType.PRIMARY);

        yes.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                deleteSubscriptionsConfirmationPopup.hide();

                deleteSubscriptionsConfirmationPopup.removeFromParent();

                final HTML loadingWheel = new HTML("<div class=\"loader-big\"></div><div class=\"whiteFilm\"></div>");

                browseSubscriptionsBoxContent.addStyleName("loading-big");

                browseSubscriptionsBoxContent.add(loadingWheel);

                brokerService.unsubscribe(subscriptionIds.get(0), new AsyncCallback<Void>() {

                    @Override

                    public void onFailure(Throwable caught) {

                        browseSubscriptionsBoxContent.removeStyleName("loading-big");

                        browseSubscriptionsBoxContent.remove(loadingWheel);

                        errorAlert.setText("System error deleting the specified subscription(s)");

                        errorAlert.setVisible(true);

                    }

                    @Override

                    public void onSuccess(Void result) {

                        browseSubscriptionsBoxContent.removeStyleName("loading-big");

                        browseSubscriptionsBoxContent.remove(loadingWheel);

                        clear();

                        reload();

                    }

                });

            }

        });

        actionButtons.add(yes);

        deleteSubscriptionsConfirmationPopup.show();

    }

}