/*
 * Copyright (c) 2012, 2015, Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
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 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the distribution.
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 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package com.oracle.javafx.scenebuilder.kit.util;

import javafx.css.Style;
import javafx.scene.control.skin.MenuBarSkin;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import javafx.collections.ObservableMap;
import javafx.css.CssMetaData;
import javafx.css.Styleable;
import javafx.css.StyleableProperty;
import javafx.fxml.FXMLLoader;
import javafx.geometry.Bounds;
import javafx.geometry.Point2D;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.SubScene;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.PopupControl;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeTableColumn;
import javafx.scene.control.TreeView;
import javafx.scene.image.Image;
import javafx.scene.layout.GridPane;

@SuppressWarnings("deprecation")
public class Deprecation {

    private Deprecation() {
        assert false;
    }

    public static final String CASPIAN_STYLESHEET = "com/sun/javafx/scene/control/skin/caspian/caspian.bss"; //NOI18N
    public static final String CASPIAN_HIGHCONTRAST_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/caspian/caspian-highContrast.css"; //NOI18N
    public static final String CASPIAN_EMBEDDED_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/caspian/caspian-embedded.css"; //NOI18N
    public static final String CASPIAN_EMBEDDED_HIGHCONTRAST_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/caspian/caspian-embedded-highContrast.css"; //NOI18N
    public static final String CASPIAN_EMBEDDED_QVGA_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/caspian/caspian-embedded-qvga.css"; //NOI18N
    public static final String CASPIAN_EMBEDDED_QVGA_HIGHCONTRAST_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/caspian/caspian-embedded-qvga-highContrast.css"; //NOI18N
    public static final String MODENA_STYLESHEET = "com/sun/javafx/scene/control/skin/modena/modena.bss"; //NOI18N
    public static final String MODENA_TOUCH_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-touch.css"; //NOI18N
    public static final String MODENA_HIGHCONTRAST_BLACKONWHITE_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-highContrast-blackOnWhite.css"; //NOI18N
    public static final String MODENA_HIGHCONTRAST_WHITEONBLACK_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-highContrast-whiteOnBlack.css"; //NOI18N
    public static final String MODENA_HIGHCONTRAST_YELLOWONBLACK_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-highContrast-yellowOnBlack.css"; //NOI18N
    public static final String MODENA_TOUCH_HIGHCONTRAST_BLACKONWHITE_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-touch-highContrast-blackOnWhite.css"; //NOI18N
    public static final String MODENA_TOUCH_HIGHCONTRAST_WHITEONBLACK_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-touch-highContrast-whiteOnBlack.css"; //NOI18N
    public static final String MODENA_TOUCH_HIGHCONTRAST_YELLOWONBLACK_STYLESHEET = "com/oracle/javafx/scenebuilder/kit/util/css/modena/modena-touch-highContrast-yellowOnBlack.css"; //NOI18N

    // Deprecated stuff in Node
//    // RT-21247 : Promote impl_getAllParentStylesheets to public API
    public static Group createGroupWithNullParentStylesheets() {
        return new Group() {
            @Override
            public List<String> impl_getAllParentStylesheets() {
                return null;
            }
        };
    }

//    // RT-21096 : Promote impl_getStyleMap / impl_setStyleMap to public API
    public static void setStyleMap(Node node, ObservableMap<StyleableProperty<?>, List<javafx.css.Style>> map) {
        node.impl_setStyleMap(map);
    }

//    // RT-21096 : Promote impl_getStyleMap / impl_setStyleMap to public API
    public static Map<StyleableProperty<?>, List<Style>> getStyleMap(Node node) {
        return node.impl_findStyles(null);
    }

    public static void reapplyCSS(Parent parent, String stylesheetPath) {
        assert parent != null;
        
        final List<String> stylesheets = parent.getStylesheets();
        for (String s : new LinkedList<>(stylesheets)) {
            if (s.endsWith(stylesheetPath)) {
                final int index = stylesheets.indexOf(s);
                assert index != -1;
                stylesheets.remove(index);
                stylesheets.add(index, s);
                break;
            }
        }
        
        for (Node child : parent.getChildrenUnmodifiable()) {
            if (child instanceof Parent) {
                final Parent childParent = (Parent) child;
                reapplyCSS(childParent, stylesheetPath);
            } else if (child instanceof SubScene) {
                final SubScene childSubScene = (SubScene) child;
                reapplyCSS(childSubScene.getRoot(), stylesheetPath);
            }
        }
    }

    // Retrieve the node of the Styleable.
    public static Node getNode(Styleable styleable) {
        // Nodes are styleable treated differently.
        try {
            if (styleable instanceof MenuItem) {
                return ((MenuItem) styleable).impl_styleableGetNode();
            } else if (styleable instanceof PopupControl) {
                return ((PopupControl) styleable).impl_styleableGetNode();
            } else if (styleable instanceof TableColumn) {
                return ((TableColumn<?,?>) styleable).impl_styleableGetNode();
            } else if (styleable instanceof TreeTableColumn) {
                return ((TreeTableColumn<?,?>) styleable).impl_styleableGetNode();
            }
        } catch (Exception ex) {
            // May happen, e.g if TableColumn as root
            return null;
        }
        return null;
    }

    @SuppressWarnings("rawtypes")
    public static List<Style> getMatchingStyles(CssMetaData cssMetaData, Styleable styleable) {
        return Node.impl_getMatchingStyles(cssMetaData, styleable);
    }

    // Deprecated stuff in Parent
//    // RT-21209 : Promote setImpl_traversalEngine to public API
//    public static void setTraversalEngine(Parent parent, TraversalEngine engine) {
//        parent.setImpl_traversalEngine(engine);
//    }
    // Deprecated stuff in Image
    // RT-21216 : Promote impl_getUrl to public API
    public static String getUrl(Image image) {
        return image.impl_getUrl();
    }

//    // RT-21217 : Promote impl_fromPlatformImage to public API
//    public static Image fromPlatformImage(Object platformImage) {
//        return Image.impl_fromPlatformImage(platformImage);
//    }
//    // RT-21219 : Promote impl_getPlatformImage to public API
//    public static Object getPlatformImage(Image image) {
//        return image.impl_getPlatformImage();
//    }
    // Deprecated stuff in FXMLLoader
    // RT-21226 : Promote setStaticLoad to public API
    public static void setStaticLoad(FXMLLoader loader, boolean staticLoad) {
        loader.impl_setStaticLoad(staticLoad);
    }

    // RT-20184 : FX should provide a Parent.pick() routine
    public static Node pick(Node node, double sceneX, double sceneY) {
        Point2D p = node.sceneToLocal(sceneX, sceneY, true /* rootScene */);

        // check if the given node has the point inside it, or else we drop out
        if (!node.contains(p)) return null;

        // at this point we know that _at least_ the given node is a valid
        // answer to the given point, so we will return that if we don't find
        // a better child option
        if (node instanceof Parent) {
            // we iterate through all children (recursively). We don't stop
            // iteration when we hit the first child that also contains the bounds,
            // as we know that later nodes have a higher z-ordering, so they
            // should be picked before the earlier nodes.
            Node bestMatchingChild = null;
            for (Node child : ((Parent)node).getChildrenUnmodifiable()) {
                p = child.sceneToLocal(sceneX, sceneY, true /* rootScene */);
                if (child.contains(p)) {
                    bestMatchingChild = child;
                }
            }

            if (bestMatchingChild != null) {
                return pick(bestMatchingChild, sceneX, sceneY);
            }
        }

        return node;
    }

    // RT-19857 : Keeping menu in the Mac menu bar when there is no more stage
    public static void setDefaultSystemMenuBar(MenuBar menuBar) {
        MenuBarSkin.setDefaultSystemMenuBar(menuBar);
    }

//    // RT-21475 : Promote FXMLLoader.setLoadListener to public API
//    public static ParseTraceElement[] getParseTrace(FXMLLoader loader) {
//        return loader.getParseTrace();
//    }

    public static int getGridPaneColumnCount(GridPane gridPane) {
        return gridPane.impl_getColumnCount();
    }

    public static int getGridPaneRowCount(GridPane gridPane) {
        return gridPane.impl_getRowCount();
    }

    public static Bounds getGridPaneCellBounds(GridPane gridPane, int c, int r) {
        return gridPane.impl_getCellBounds(c, r);
    }

    // RT-33675 : Promote TableColumn.impl_setReorderable() to public API
    @SuppressWarnings("rawtypes")
    public static void setTableColumnReordable(TableColumn tableColumn, boolean reordable) {
        tableColumn.impl_setReorderable(reordable);
    }

    // Returns the corresponding text css (.css) from a binary css (.bss)
    public static URL getThemeTextStylesheet(String binaryCssUrlStr) {
        String textCssUrlStr = binaryCssUrlStr.replaceAll(".bss", ".css"); //NOI18N
        try {
            return new URL(textCssUrlStr);
        } catch (MalformedURLException ex) {
            // should never happen
            return null;
        }
    }

    // Deprecated as of FX 8 u20, and replaced by new method getTreeItemLevel:
    // using it would break ability to compile over JDK 8 GA, not an option for now.
    public static int getNodeLevel(TreeItem<?> item) {
        return TreeView.getNodeLevel(item);
    } 
    
    public static Point2D localToLocal(Node source, double sourceX, double sourceY, Node target) {
        final Point2D sceneXY = source.localToScene(sourceX, sourceY, true /* rootScene */);
        return target.sceneToLocal(sceneXY, true /* rootScene */);
    }
    
    public static Bounds localToLocal(Node source, Bounds sourceBounds, Node target) {
        final Bounds sceneBounds = source.localToScene(sourceBounds, true /* rootScene */);
        return target.sceneToLocal(sceneBounds, true /* rootScene */);
    }
}