/*
 * Copyright (c) 2011, 2017, 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 com.sun.javafx.font;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;

import com.sun.glass.utils.NativeLibLoader;

class MacFontFinder {

    static {
        AccessController.doPrivileged(
                (PrivilegedAction<Void>) () -> {
                    NativeLibLoader.loadLibrary("javafx_font");
                    return null;
                }
        );
    }

    private static final int SystemFontType = 2; /*kCTFontSystemFontType*/
    private static final int MonospacedFontType = 1; /*kCTFontUserFixedPitchFontType*/
    private native static String getFont(int type);
    public static String getSystemFont() {
        return getFont(SystemFontType);
    }

    public static String getMonospacedFont() {
        return getFont(MonospacedFontType);
    }

    native static float getSystemFontSize();

    public static boolean populateFontFileNameMap(
            HashMap<String,String> fontToFileMap,
            HashMap<String,String> fontToFamilyNameMap,
            HashMap<String,ArrayList<String>> familyToFontListMap,
            Locale locale) {

        if (fontToFileMap == null ||
            fontToFamilyNameMap == null ||
            familyToFontListMap == null) {
            return false;
        }
        if (locale == null) {
            locale = Locale.ENGLISH;
        }
        String[] fontData = getFontData();
        if (fontData == null) return false;

        int i = 0;
        while (i < fontData.length) {
            String name = fontData[i++];
            String family = fontData[i++];
            String file = fontData[i++];

            if (PrismFontFactory.debugFonts) {
                System.err.println("[MacFontFinder] Name=" + name);
                System.err.println("\tFamily=" + family);
                System.err.println("\tFile=" + file);
            }

            if (name == null || family == null || file == null) {
                continue;
            }
            String lcName = name.toLowerCase(locale);
            String lcFamily = family.toLowerCase(locale);
            fontToFileMap.put(lcName, file);
            fontToFamilyNameMap.put(lcName, family);
            ArrayList<String> list = familyToFontListMap.get(lcFamily);
            if (list == null) {
                list = new ArrayList<String>();
                familyToFontListMap.put(lcFamily, list);
            }
            list.add(name);
        }
        return true;
    }
    /*
     *
     * @param familyName
     * @return array of post-script font names
     */
    private native static String[] getFontData();
}