/*

 * 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

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 * questions.

 */

package build.tools.generatenimbus;

import java.util.Arrays;

import java.util.Collections;

import java.util.Iterator;

import java.util.List;

import javax.xml.bind.annotation.XmlAttribute;

import javax.xml.bind.annotation.XmlElement;

class UIState {

    @XmlAttribute private String stateKeys;

    public String getStateKeys() { return stateKeys; }

    /** Indicates whether to invert the meaning of the 9-square stretching insets */

    @XmlAttribute private boolean inverted;

    /** A cached string representing the list of stateKeys deliminated with "+" */

    private String cachedName = null;

    @XmlElement private Canvas canvas;

    public Canvas getCanvas() { return canvas; }

    @XmlElement private UIStyle style;

    public UIStyle getStyle() { return style; }

    public boolean hasCanvas() {

        return ! canvas.isBlank();

    }

    public static List<String> stringToKeys(String keysString) {

        return Arrays.asList(keysString.split("\\+"));

    }

    public String getName() {

        if (cachedName == null) {

            StringBuilder buf = new StringBuilder();

            List<String> keys = stringToKeys(stateKeys);

            Collections.sort(keys);

            for (Iterator<String> iter = keys.iterator(); iter.hasNext();) {

                buf.append(iter.next());

                if (iter.hasNext()) {

                    buf.append('+');

                }

            }

            cachedName = buf.toString();

        }

        return cachedName;

    }

    public void write(StringBuilder sb, String prefix, String pkg, String fileNamePrefix, String painterPrefix) {

        String statePrefix = prefix + "[" + getName() + "]";

        // write state style

        sb.append(style.write(statePrefix + '.'));

        // write painter

        if (hasCanvas()) {

            writeLazyPainter(sb, statePrefix, pkg, fileNamePrefix, painterPrefix);

        }

    }

    private void writeLazyPainter(StringBuilder sb, String statePrefix, String packageNamePrefix, String fileNamePrefix, String painterPrefix) {

        String cacheModeString = "AbstractRegionPainter.PaintContext.CacheMode." + style.getCacheMode();

        String stateConstant = Utils.statesToConstantName(painterPrefix + "_" + stateKeys);

        sb.append(String.format(

                "        d.put(\"%s.%sPainter\", new LazyPainter(\"%s.%s\", %s.%s, %s, %s, %b, %s, %s, %s));\n",

                statePrefix, painterPrefix, packageNamePrefix, fileNamePrefix,

                fileNamePrefix, stateConstant, canvas.getStretchingInsets().write(false),

                canvas.getSize().write(false), inverted, cacheModeString,

                Utils.formatDouble(style.getMaxHozCachedImgScaling()),

                Utils.formatDouble(style.getMaxVertCachedImgScaling())));

    }

}