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/*
 * Copyright 2011-2020 PrimeFaces Extensions
 *
 * 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 org.primefaces.extensions.showcase.controller.layout;

import java.io.Serializable;

import jakarta.annotation.PostConstruct;
import jakarta.faces.event.ActionEvent;
import jakarta.faces.view.ViewScoped;
import jakarta.inject.Named;

import org.primefaces.extensions.model.layout.LayoutOptions;

/**
 * CustomContentLayoutController
 *
 * @author Oleg Varaksin / last modified by $Author$
 * @version $Revision$
 */
@Named
@ViewScoped
public class CustomContentBackupController implements Serializable {

    private static final long serialVersionUID = 20120925L;

    private static final String FIRST_NESTED_LAYOUT = "/sections/layout/example-customContentOne.xhtml";
    private static final String SECOND_NESTED_LAYOUT = "/sections/layout/example-customContentTwo.xhtml";

    private String src;
    private LayoutOptions layoutOptions;
    private LayoutOptions optionsNestedOne;
    private LayoutOptions optionsNestedTwo;
    private String jsonNestedOptions = "{}";

    @PostConstruct
    protected void initialize() {
        // show first nested layout on initial page load
        src = FIRST_NESTED_LAYOUT;

        layoutOptions = new LayoutOptions();

        // options for all panes
        final LayoutOptions panes = new LayoutOptions();
        panes.addOption("slidable", false);
        layoutOptions.setPanesOptions(panes);

        // north pane
        final LayoutOptions north = new LayoutOptions();
        north.addOption("resizable", false);
        north.addOption("closable", false);
        north.addOption("size", 60);
        north.addOption("spacing_open", 0);
        layoutOptions.setNorthOptions(north);

        // south pane
        final LayoutOptions south = new LayoutOptions();
        south.addOption("resizable", false);
        south.addOption("closable", false);
        south.addOption("size", 28);
        south.addOption("spacing_open", 0);
        layoutOptions.setSouthOptions(south);

        // west pane
        final LayoutOptions west = new LayoutOptions();
        west.addOption("size", 210);
        west.addOption("minSize", 180);
        west.addOption("maxSize", 500);
        layoutOptions.setWestOptions(west);

        // center pane, instantiated with Id in order to be able to update child options
        final LayoutOptions center = new LayoutOptions("centerOptions");
        center.addOption("resizable", false);
        center.addOption("closable", false);
        center.addOption("minWidth", 200);
        center.addOption("minHeight", 60);
        layoutOptions.setCenterOptions(center);

        // set options for nested center layout
        center.setChildOptions(getLayoutOptionsNestedOne());
    }

    public LayoutOptions getLayoutOptions() {
        return layoutOptions;
    }

    public LayoutOptions getLayoutOptionsNestedOne() {
        if (optionsNestedOne != null) {
            return optionsNestedOne;
        }

        // instantiate options with Id to be able to replace them on AJAX update
        optionsNestedOne = new LayoutOptions("childOptionsOne");

        // options for center-north pane
        final LayoutOptions centerNorth = new LayoutOptions();
        centerNorth.addOption("size", "50%");
        optionsNestedOne.setNorthOptions(centerNorth);

        // options for center-center pane
        final LayoutOptions centerCenter = new LayoutOptions();
        centerCenter.addOption("minHeight", 60);
        optionsNestedOne.setCenterOptions(centerCenter);

        return optionsNestedOne;
    }

    public LayoutOptions getLayoutOptionsNestedTwo() {
        if (optionsNestedTwo != null) {
            return optionsNestedTwo;
        }

        // instantiate options with Id to be able to replace them on AJAX update
        optionsNestedTwo = new LayoutOptions("childOptionsTwo");

        // options for center-east pane
        final LayoutOptions centerEast = new LayoutOptions();
        centerEast.addOption("size", "50%");
        optionsNestedTwo.setEastOptions(centerEast);

        // options for center-center pane
        final LayoutOptions centerCenter = new LayoutOptions();
        centerCenter.addOption("minWidth", 60);
        optionsNestedTwo.setCenterOptions(centerCenter);

        return optionsNestedTwo;
    }

    public String getSrc() {
        return src;
    }

    public void toggleSrc(final ActionEvent evt) {
        if (FIRST_NESTED_LAYOUT.equals(src)) {
            // change path to the nested layout
            src = SECOND_NESTED_LAYOUT;

            // replace child options in layout options
            final LayoutOptions center = layoutOptions.getLayoutOptions("centerOptions");
            center.replace("childOptionsOne", getLayoutOptionsNestedTwo());

            // update options for oncomplete
            jsonNestedOptions = getLayoutOptionsNestedTwo().toJson();
        }
        else if (SECOND_NESTED_LAYOUT.equals(src)) {
            // change path to the nested layout
            src = FIRST_NESTED_LAYOUT;

            // replace child options in layout options
            final LayoutOptions center = layoutOptions.getLayoutOptions("centerOptions");
            center.replace("childOptionsTwo", getLayoutOptionsNestedOne());

            // update options for oncomplete
            jsonNestedOptions = getLayoutOptionsNestedOne().toJson();
        }
    }

    public String getJsonNestedOptions() {
        return jsonNestedOptions;
    }
}