/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program 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 for more details.

  *

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

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.emul;

 import java.lang.annotation.Annotation;

 import org.apidesign.bck2brwsr.core.JavaScriptBody;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public final class AnnotationImpl implements Annotation {

     public Class<? extends Annotation> annotationType() {

         return getClass();

     }

     @JavaScriptBody(args = { "a", "n", "values" }, body = ""

         + "function f(v, p) {\n"

         + "  var val = v;\n"

         + "  var prop = p;\n"

         + "  return function() {\n"

         + "    return val[prop];\n"

         + "  };\n"

         + "}\n"

         + "var props = Object.getOwnPropertyNames(values);\n"

         + "for (var i = 0; i < props.length; i++) {\n"

         + "  var p = props[i];\n"

         + "  a[p] = new f(values, p);\n"

         + "}\n"

         + "a['$instOf_' + n] = true;\n"

         + "return a;"

     )

     private static <T extends Annotation> T create(AnnotationImpl a, String n, Object values) {

         return null;

     }

     public static <T extends Annotation> T create(Class<T> annoClass, Object values) {

         return create(new AnnotationImpl(), annoClass.getName().replace('.', '_'), values);

     }

     public static Annotation[] create(Object anno) {

         String[] names = findNames(anno);

         Annotation[] ret = new Annotation[names.length];

         for (int i = 0; i < names.length; i++) {

             String n = names[i].substring(1, names[i].length() - 1).replace('/', '_');

             ret[i] = create(new AnnotationImpl(), n, findData(anno, names[i]));

         }

         return ret;

     }

     @JavaScriptBody(args = "anno", body =

           "var arr = new Array();"

         + "var props = Object.getOwnPropertyNames(anno);\n"

         + "for (var i = 0; i < props.length; i++) {\n"

         + "  var p = props[i];\n"

         + "  arr.push(p);"

         + "}"

         + "return arr;"

     )

     private static String[] findNames(Object anno) {

         throw new UnsupportedOperationException();

     }

     @JavaScriptBody(args={ "anno", "p"}, body="return anno[p];")

     private static Object findData(Object anno, String p) {

         throw new UnsupportedOperationException();

     }

 }