/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.client.client.ui;

import com.google.gwt.core.client.GWT;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.smartgwt.client.types.FormMethod;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.HiddenItem;
import com.smartgwt.client.widgets.form.fields.LinkItem;
import com.smartgwt.client.widgets.form.fields.events.ClickEvent;
import com.smartgwt.client.widgets.form.fields.events.ClickHandler;

import org.dive4elements.river.client.client.FLYS;
import org.dive4elements.river.client.shared.model.User;

public class WikiLinks
{
    public static String imageLinkForm(FLYS instance, String url, String imageUrl, String formName) {
        String saml = null;
        if (instance != null && instance.getCurrentUser() != null) {
            saml = instance.getCurrentUser().getSamlXMLBase64();
        }
        String quotedUrl = SafeHtmlUtils.htmlEscape(url);
        String quotedImage = SafeHtmlUtils.htmlEscape(imageUrl);

        if (saml != null) {
            return "<form method=\"POST\" target=\"_blank\" action=\""
                + quotedUrl + "\" " + "name=\"" + formName + "\">"
                + "<input type=\"hidden\" name=\"saml\" value=\""
                + SafeHtmlUtils.htmlEscape(saml) + "\">"
                + "<input type=\"image\" src=\""+ quotedImage + "\">"
                + "</form>";
        }
        else {
            return "<a href=\"" + quotedUrl + "\"><img src=\"" + quotedImage + "\"></a>";
        }
    }

    public static DynamicForm linkDynamicForm(FLYS flys, String url, String text) {
        User currentUser = flys.getCurrentUser();
        String quotedUrl = SafeHtmlUtils.htmlEscape(url);
        String quotedText = SafeHtmlUtils.htmlEscape(text);

        if (currentUser != null) {
            String saml = currentUser.getSamlXMLBase64();
            final DynamicForm form = new DynamicForm();
            form.setMethod(FormMethod.POST);
            form.setTarget("_blank");
            form.setAction(quotedUrl);
            form.setCanSubmit(true);
            LinkItem item = new LinkItem("saml");
            item.setShowTitle(false);
            item.setLinkTitle(quotedText);
            item.setValue(SafeHtmlUtils.htmlEscape(saml));
            item.addClickHandler(new ClickHandler() {
                @Override
                public void onClick(ClickEvent event) {
                    form.submitForm();
                }
            });
            form.setFields(item);
            return form;
        }
        else {
            DynamicForm form = new DynamicForm();
            LinkItem item = new LinkItem(quotedText);
            item.setShowTitle(false);
            item.setTarget(quotedUrl);
            return form;
        }
    }

    public static DynamicForm dynamicForm(FLYS flys, String url) {
        User currentUser = flys.getCurrentUser();
        String quotedUrl = SafeHtmlUtils.htmlEscape(url);

        if (currentUser != null) {
            String saml = currentUser.getSamlXMLBase64();
            saml = SafeHtmlUtils.htmlEscape(saml);
            GWT.log("saml=" + saml);
            DynamicForm form = new DynamicForm();
            form.setID("wikiDynamicForm");
            form.setMethod(FormMethod.POST);
            form.setTarget("_blank");
            form.setAction(quotedUrl);
            form.setCanSubmit(true);
            HiddenItem item = new HiddenItem("saml");
            item.setDefaultValue(saml);
            item.setValue(saml);
            form.setFields(item);
            //form.setValue("saml", saml);
            return form;
        }
        else {
            DynamicForm form = new DynamicForm();
            form.setTarget("_blank");
            form.setAction(quotedUrl);
            return form;
        }
    }
}