/*

 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package build.tools.generatenimbus;

import javax.xml.stream.XMLStreamException;

import javax.xml.stream.XMLStreamReader;

import java.util.ArrayList;

import java.util.List;

class UIStyle {

    public enum CacheMode {

        NO_CACHING, FIXED_SIZES, NINE_SQUARE_SCALE

    }

    private UIColor textForeground = null;

    private boolean textForegroundInherited = true;

    private UIColor textBackground = null;

    private boolean textBackgroundInherited = true;

    private UIColor background = null;

    private boolean backgroundInherited = true;

    private boolean cacheSettingsInherited = true;

    CacheMode cacheMode = CacheMode.FIXED_SIZES;

    String maxHozCachedImgScaling = "1.0";

    String maxVertCachedImgScaling = "1.0";

    private List<UIProperty> uiProperties = new ArrayList<>();

    UIStyle() {

    }

    UIStyle(XMLStreamReader reader) throws XMLStreamException {

        while (reader.hasNext()) {

            int eventType = reader.next();

            switch (eventType) {

                case XMLStreamReader.START_ELEMENT:

                    switch (reader.getLocalName()) {

                        case "textForeground":

                            textForeground = new UIColor(reader);

                            break;

                        case "textBackground":

                            textBackground = new UIColor(reader);

                            break;

                        case "background":

                            background = new UIColor(reader);

                            break;

                        case "uiProperty":

                            uiProperties.add(new UIProperty(reader));

                            break;

                        case "inherit-textForeground":

                            textForegroundInherited = Boolean.parseBoolean(reader.getElementText());

                            break;

                        case "inherit-textBackground":

                            textBackgroundInherited = Boolean.parseBoolean(reader.getElementText());

                            break;

                        case "cacheSettingsInherited":

                            cacheSettingsInherited = Boolean.parseBoolean(reader.getElementText());

                            break;

                        case "inherit-background":

                            backgroundInherited = Boolean.parseBoolean(reader.getElementText());

                            break;

                        case "cacheMode":

                            cacheMode = CacheMode.valueOf(reader.getElementText());

                            break;

                        case "maxHozCachedImgScaling":

                            maxHozCachedImgScaling = reader.getElementText();

                            break;

                        case "maxVertCachedImgScaling":

                            maxVertCachedImgScaling = reader.getElementText();

                            break;

                    }

                    break;

                case XMLStreamReader.END_ELEMENT:

                    switch (reader.getLocalName()) {

                        case "style":

                            return;

                    }

                    break;

            }

        }

    }

    private UIStyle parentStyle = null;

    public void setParentStyle(UIStyle parentStyle) {

        this.parentStyle = parentStyle;

    }

    public CacheMode getCacheMode() {

        if (cacheSettingsInherited) {

            return (parentStyle == null ?

                CacheMode.FIXED_SIZES : parentStyle.getCacheMode());

        } else {

            return cacheMode;

        }

    }

    public String getMaxHozCachedImgScaling() {

        if (cacheSettingsInherited) {

            return (parentStyle == null ?

                "1.0" : parentStyle.getMaxHozCachedImgScaling());

        } else {

            return maxHozCachedImgScaling;

        }

    }

    public String getMaxVertCachedImgScaling() {

        if (cacheSettingsInherited) {

            return (parentStyle == null ?

                "1.0" : parentStyle.getMaxVertCachedImgScaling());

        } else {

            return maxVertCachedImgScaling;

        }

    }

    public String write(String prefix) {

        StringBuilder sb = new StringBuilder();

        if (! textForegroundInherited) {

            sb.append(String.format("        addColor(d, \"%s%s\", %s);\n",

                    prefix, "textForeground", textForeground.getValue().write()));

        }

        if (! textBackgroundInherited) {

            sb.append(String.format("        addColor(d, \"%s%s\", %s);\n",

                    prefix, "textBackground", textBackground.getValue().write()));

        }

        if (! backgroundInherited) {

            sb.append(String.format("        addColor(d, \"%s%s\", %s);\n",

                    prefix, "background", background.getValue().write()));

        }

        for (UIProperty property : uiProperties) {

            sb.append(property.write(prefix));

        }

        return sb.toString();

    }

}