/*
 * Copyright (C) 2003-2013 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.exoplatform.commons.notification.template;

import java.io.Writer;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.text.StringEscapeUtils;

import org.exoplatform.commons.api.notification.service.template.TemplateContext;
import org.exoplatform.commons.notification.NotificationUtils;

import groovy.lang.Writable;
import groovy.text.GStringTemplateEngine;
import groovy.text.Template;

/**
 * Created by The eXo Platform SAS
 * Author : eXoPlatform
 *          thanhvc@exoplatform.com
 * Aug 8, 2013  
 */
public class GroovyElement extends SimpleElement {

  public String appRes(String key) {
    return TemplateUtils.getResourceBundle(key, NotificationUtils.getLocale(getLanguage()), getPluginConfig().getBundlePath());
  }

  public String appRes(String key, String... strs) {
    
    String value = appRes(key);
    if (strs != null && strs.length > 0) {
      for (int i = 0; i < strs.length; ++i) {
        value = StringUtils.replace(value, "{" + i + "}", strs[i]);
      }
    }
    return value;
  }

  public String escapeHTML(String str) {
    return StringEscapeUtils.escapeHtml4(str);
  }

  public final void include(String templatePath, TemplateContext ctx) throws Exception {
    String template = TemplateUtils.loadGroovyTemplate(templatePath);
    Template engine = new GStringTemplateEngine().createTemplate(template);
    Writer writer = (Writer) ctx.get("_writer");

    Writable writable = engine.make(ctx);
    writable.writeTo(writer);
  }

}