D-Net

package eu.dnetlib.client.monitor;

import com.github.gwtbootstrap.client.ui.*;

import com.github.gwtbootstrap.client.ui.Button;

import com.github.gwtbootstrap.client.ui.constants.AlertType;

import com.github.gwtbootstrap.client.ui.constants.ButtonType;

import com.github.gwtbootstrap.client.ui.constants.FormType;

import com.github.gwtbootstrap.client.ui.constants.IconType;

import com.github.gwtbootstrap.client.ui.event.HideEvent;

import com.github.gwtbootstrap.client.ui.event.HideHandler;

import com.github.gwtbootstrap.client.ui.event.ShowEvent;

import com.github.gwtbootstrap.client.ui.event.ShowHandler;

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

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

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

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

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

import com.google.gwt.i18n.client.DateTimeFormat;

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

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

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

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

import eu.dnetlib.client.*;

import eu.dnetlib.client.widgets.FormFieldSet;

import eu.dnetlib.goldoa.domain.*;

import java.util.List;

/**

 * Created by stefania on 4/2/15.

 */

public class MonitorBudgetsWidget implements MyWidget {

    private String token = "";

    private FlowPanel monitorBudgetsPagePanel = new FlowPanel();

    private Label monitorBudgetsTitleLabel = new Label();

    private Label monitorBudgetsInfoLabel = new Label();

    private Alert errorLabel = new Alert();

    private Alert warningLabel = new Alert();

    private FlowPanel budgetsForApprovalPanel = new FlowPanel();

    private DateTimeFormat dtf = DateTimeFormat.getFormat("yyyy/MM/dd");

    private DataServiceAsync dataService = GWT.create(DataService.class);

    private GoldOAConstants goldOAConstants = GWT.create(GoldOAConstants.class);

    public MonitorBudgetsWidget() {

        monitorBudgetsPagePanel.addStyleName("content");

        monitorBudgetsTitleLabel.setText("Monitor Budgets");

        monitorBudgetsTitleLabel.addStyleName("contentTitleLabel");

        monitorBudgetsInfoLabel.setText("Monitor and change the status of budget requests that are pending approval");

        monitorBudgetsInfoLabel.addStyleName("contentInfoLabel");

        errorLabel.addStyleName("alertLabel");

        errorLabel.setType(AlertType.ERROR);

        errorLabel.setClose(false);

        errorLabel.setVisible(false);

        warningLabel.addStyleName("alertLabel");

        warningLabel.setType(AlertType.WARNING);

        warningLabel.setClose(false);

        warningLabel.setVisible(false);

        budgetsForApprovalPanel.addStyleName("budgetsListPanel");

        monitorBudgetsPagePanel.add(monitorBudgetsTitleLabel);

        monitorBudgetsPagePanel.add(monitorBudgetsInfoLabel);

        monitorBudgetsPagePanel.add(errorLabel);

        monitorBudgetsPagePanel.add(warningLabel);

        monitorBudgetsPagePanel.add(budgetsForApprovalPanel);

    }

    @Override

    public void clear() {

        errorLabel.setVisible(false);

        warningLabel.setVisible(false);

        budgetsForApprovalPanel.clear();

    }

    @Override

    public void reload() {

        MyWidgetHelper.hideSidebar();

        SidebarPanel helpPanel = new SidebarPanel("Help");

        MyWidgetHelper.loadHelp(helpPanel, token.split("\\.")[0]);

        loadBudgets();

    }

    @Override

    public void setToken(String token) {

        this.token = token;

    }

    @Override

    public void afterAdditionToRootPanel() {

    }

    @Override

    public Widget asWidget() {

        return monitorBudgetsPagePanel;

    }

    private void loadBudgets() {

        errorLabel.setVisible(false);

        warningLabel.setVisible(false);

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

        budgetsForApprovalPanel.addStyleName("loading");

        budgetsForApprovalPanel.add(loadingWheel);

        dataService.getBudgets(new AsyncCallback<List<Budget>>() {

            @Override

            public void onFailure(Throwable throwable) {

                budgetsForApprovalPanel.clear();

                budgetsForApprovalPanel.removeStyleName("loading");

                errorLabel.setText(goldOAConstants.errorGettingListOfBudgets());

                errorLabel.setVisible(true);

            }

            @Override

            public void onSuccess(List<Budget> budgetInfoList) {

                budgetsForApprovalPanel.clear();

                budgetsForApprovalPanel.removeStyleName("loading");

                if (budgetInfoList.isEmpty()) {

                    warningLabel.setText(goldOAConstants.warningNoBudgetsAvailable());

                    warningLabel.setVisible(true);

                } else {

                    for (int i = 0; i < budgetInfoList.size(); i++)

                        drawBudgetInfo(budgetInfoList.get(i), i);

                }

            }

        });

    }

    private void drawBudgetInfo(final Budget budget, int i) {

        final AccordionGroup budgetRequestAccordionItem = new AccordionGroup();

//        if(((i+1)%2)==1)

//            budgetRequestAccordionItem.addStyleName("odd");

        HTML statusHeading = new HTML();

        statusHeading.setHTML("<span class=\"status\">" + budget.getStatus().getValue().toUpperCase() + "</span>");

        statusHeading.addStyleName("float-right");

        statusHeading.addStyleName("statusHeading");

        budgetRequestAccordionItem.getHeading().add(statusHeading);

        HTML extraInfo = new HTML();

        String extraInfoContents = "<div style=\"width: 8%\" class=\"inlineBlock\"><span>" + dtf.format(budget.getDate()) +

                "</span></div>";

        extraInfoContents += "<div style=\"width: 30%\" class=\"inlineBlock\"><span style=\"padding-right:10px; padding-left:10px\">|</span><span>";

        extraInfoContents += "Valid from " + dtf.format(budget.getStartdate()) + " to " + dtf.format(budget.getEnddate());

        extraInfoContents += "</span></div><div style=\"width: 32%\" class=\"inlineBlock\"><span style=\"padding-right:10px; " +

                "padding-left:10px\">|</span><span>";

        if(budget.getInvoice()!=null)

            extraInfoContents += budget.getInvoice().getNumber();

        else

            extraInfoContents += "---";

        extraInfoContents += "</span></div></div><div style=\"width: 30%\" class=\"inlineBlock\"><span style=\"padding-right:10px; " +

                "padding-left:10px\">|</span><span>";

        if(budget.getAmountRequested()!=null && budget.getCurrency()!=null)

            extraInfoContents += Math.round(budget.getAmountRequested()*100) / 100.0 + " " + budget.getCurrency().toString();

        else

            extraInfoContents += "---";

        extraInfoContents += "</span></div>";

        extraInfo.setHTML(extraInfoContents);

        extraInfo.addStyleName("headingExtraInfo");

        budgetRequestAccordionItem.getHeading().add(extraInfo);

        String heading = "(ID: " + budget.getId() + ") ";

        if(budget.getPublisher()!=null)

            heading += budget.getPublisher().getName();

        else if(budget.getOrganizations().get(0)!=null)

            heading += budget.getOrganizations().get(0).getName();

        budgetRequestAccordionItem.setHeading(heading);

        budgetRequestAccordionItem.setIcon(IconType.ANGLE_DOWN);

        budgetRequestAccordionItem.addShowHandler(new ShowHandler() {

            @Override

            public void onShow(ShowEvent showEvent) {

                budgetRequestAccordionItem.setIcon(IconType.ANGLE_UP);

                budgetRequestAccordionItem.clear();

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

                FlowPanel accordionInner = new FlowPanel();

                accordionInner.addStyleName("loading");

                accordionInner.add(loadingWheel);

                budgetRequestAccordionItem.add(accordionInner);

                dataService.getBudgetById(budget.getId(), new AsyncCallback<Budget>() {

                    @Override

                    public void onFailure(Throwable caught) {

                        budgetRequestAccordionItem.clear();

                        Alert errorLabel = new Alert();

                        errorLabel.addStyleName("alertLabel");

                        errorLabel.setType(AlertType.ERROR);

                        errorLabel.setClose(false);

                        errorLabel.setText(goldOAConstants.errorGettingSpecificRequestInfo());

                        budgetRequestAccordionItem.add(errorLabel);

                    }

                    @Override

                    public void onSuccess(Budget budget) {

                        addNewBudgetInfo(budgetRequestAccordionItem, budget);

                    }

                });

            }

        });

        budgetRequestAccordionItem.addHideHandler(new HideHandler() {

            @Override

            public void onHide(HideEvent hideEvent) {

                budgetRequestAccordionItem.setIcon(IconType.ANGLE_DOWN);

            }

        });

        budgetsForApprovalPanel.add(budgetRequestAccordionItem);

//        requestsList.add(budgetRequestAccordionItem);

    }

    private void addNewBudgetInfo(final AccordionGroup accordion, final Budget budget) {

        accordion.clear();

        BudgetInfoElement budgetInfoElement = new BudgetInfoElement(budget);

        accordion.add(budgetInfoElement.asWidget());

        BudgetInfoElement.ActionListener actionListener = new BudgetInfoElement.ActionListener() {

            @Override

            public void actionHappened(boolean succeeded, Budget.Status status, Comment comment) {

                accordion.getHeading().getElement().scrollIntoView();

                if(succeeded) {

                    HTML statusHeading = new HTML();

                    statusHeading.setHTML("<span class=\"status\">" + status.getValue().toUpperCase() + "</span>");

                    statusHeading.addStyleName("float-right");

                    statusHeading.addStyleName("statusHeading");

                    accordion.getHeading().remove(1);

                    accordion.getHeading().insert(statusHeading, 1);

                    String heading = "(ID: " + budget.getId() + ") ";

                    if(budget.getPublisher()!=null)

                        heading += budget.getPublisher().getName();

                    else if(budget.getOrganizations().get(0)!=null)

                        heading += budget.getOrganizations().get(0).getName();

                    accordion.setHeading(heading);

                    budget.setStatus(status);

                    if(comment!=null)

                        budget.getComments().add(comment);

                    addNewBudgetInfo(accordion, budget);

                }

            }

        };

        budgetInfoElement.setActionListener(actionListener);

    }

//    private void drawBudgetInfo(final BudgetInfo budgetInfo, int i) {

//

//        final FlowPanel budgetElement = new FlowPanel();

//        budgetElement.addStyleName("budgetRequest");

//        if(((i+1)%2)==1)

//            budgetElement.addStyleName("odd");

//

//        final Alert errorLabel = new Alert();

//        errorLabel.addStyleName("alertLabel");

//        errorLabel.setType(AlertType.ERROR);

//        errorLabel.setVisible(false);

//        errorLabel.setClose(false);

//

//        BudgetInfoElement budgetInfoElement = new BudgetInfoElement(budgetInfo);

//

//        FlowPanel actionButtons = new FlowPanel();

//        Button approve = new Button("Approve");

//        Button reject = new Button("Reject");

//

//        final FlowPanel divider = new FlowPanel();

//

//        final Form commentsForm = new Form();

//        final TextArea comments = new TextArea();

//

//        commentsForm.setType(FormType.VERTICAL);

//        comments.setEnabled(false);

//

//        //TODO what was this?

////        if(budgetInfo.getComment()!=null)

////            comments.setValue(budgetInfo.getComment());

//

//        commentsForm.add(new FormFieldSet("Comments", comments));

//

//        actionButtons.addStyleName("requestInfoActionButtons");

//

//        approve.addStyleName("requestInfoActionButton");

//        approve.setType(ButtonType.SUCCESS);

//        approve.addClickHandler(new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent clickEvent) {

//

//                errorLabel.setVisible(false);

//

//                dataService.approveBudget(budgetInfo.getId(), comments.getValue().trim(), new AsyncCallback<Void>() {

//

//                    @Override

//                    public void onFailure(Throwable throwable) {

//

//                        errorLabel.setText(goldOAConstants.monitorErrorApprovingBudget());

//                        errorLabel.setVisible(true);

//                    }

//

//                    @Override

//                    public void onSuccess(Void aVoid) {

//

//                        budgetInfo.setStatus(Budget.Status.APPROVED);

//                        BudgetInfoElement budgetInfoElement = new BudgetInfoElement(budgetInfo);

//

//                        budgetElement.clear();

//                        budgetElement.add(errorLabel);

//                        budgetElement.add(budgetInfoElement.asWidget());

//                        budgetElement.add(divider);

//                        budgetElement.add(commentsForm);

//

//                        comments.setEnabled(false);

//                    }

//                });

//            }

//        });

//        actionButtons.add(approve);

//

//        reject.addStyleName("requestInfoActionButton");

//        reject.setType(ButtonType.DANGER);

//        reject.addClickHandler(new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent clickEvent) {

//

//                errorLabel.setVisible(false);

//

//                dataService.rejectBudget(budgetInfo.getId(), comments.getValue().trim(), new AsyncCallback<Void>() {

//

//                    @Override

//                    public void onFailure(Throwable throwable) {

//

//                        errorLabel.setText(goldOAConstants.monitorErrorRejectingBudget());

//                        errorLabel.setVisible(true);

//                    }

//

//                    @Override

//                    public void onSuccess(Void aVoid) {

//

//                        budgetInfo.setStatus(Budget.Status.REJECTED);

//                        BudgetInfoElement budgetInfoElement = new BudgetInfoElement(budgetInfo);

//

//                        budgetElement.clear();

//                        budgetElement.add(errorLabel);

//                        budgetElement.add(budgetInfoElement.asWidget());

//                        budgetElement.add(divider);

//                        budgetElement.add(commentsForm);

//

//                        comments.setEnabled(false);

//                    }

//                });

//            }

//        });

//        actionButtons.add(reject);

//

//        divider.addStyleName("uk-grid-divider");

//

//        budgetElement.add(errorLabel);

//        budgetElement.add(budgetInfoElement.asWidget());

//        budgetElement.add(divider);

//        budgetElement.add(commentsForm);

//

//

//        if(!budgetInfo.getStatus().equals(Budget.Status.APPROVED) && !budgetInfo.getStatus().equals(Budget.Status.REJECTED)) {

//            comments.setEnabled(true);

//            budgetElement.add(actionButtons);

//        }

//

//        budgetsForApprovalPanel.add(budgetElement);

//    }

}