/**
    * This file Copyright (c) 2003-2011 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.mail;
  
  import info.magnolia.module.mail.templates.MailAttachment;
  import info.magnolia.module.mail.util.MailUtil;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  
  import javax.mail.Authenticator;
  import javax.mail.PasswordAuthentication;
  import javax.mail.Session;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.lang.StringUtils;
  
  /**
   * Mail template used to send emails with Magnolia.
   *
   */
  public class MailTemplate {
  
      public static String MAIL_CONTENT_TYPE = "contentType";
  
      public static String MAIL_FROM = "from";
  
      public static String MAIL_SUBJECT = "subject";
  
      public static String MAIL_TO = "to";
  
      public static String MAIL_TO_WORKFLOW = "mailTo";
  
      public static String MAIL_CC = "cc";
  
      public static String MAIL_TYPE = "type";
  
      public static String MAIL_PARAMETERS = "parameters";
  
      public static String MAIL_ATTACHMENTS = "attachments";
  
      public static String MAIL_BODY = "body";
  
      public static final String MAIL_HTML = "html";
  
      public static final String MAIL_TEMPLATE_FILE = "templateFile";
  
      private static final String MAIL_REPLY_TO = "replyTo";
  
      private static final String MAIL_BCC = "bcc";
  
      private Map<String, Object> parameters = new HashMap<String, Object>();
  
      private List<MailAttachment> attachments = new ArrayList<MailAttachment>();
  
      private String from;
  
      private String to;
  
      private String cc;
  
      private String subject;
  
      private String type;
  
     private String contentType;
 
     private String name;
 
     private String text;
 
     private String templateFile;
 
     private String bcc;
 
     private String replyTo;
 
     public MailTemplate() {
 
     }
 
     public Map<String, Object> getParameters() {
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         return new HashMap<String, Object>(parameters);
     }
 
     public void setParameters(Map<String, Object> parameters) {
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         this.parameters.clear();
         this.parameters.putAll(parameters);
     }
 
     public List<MailAttachment> getAttachments() {
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         return new ArrayList<MailAttachment>(attachments);
     }
 
     public void setAttachments(List<MailAttachment> attachments) {
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         this.attachments.clear();
         this.attachments.addAll(attachments);
     }
 
     public void addAttachment(MailAttachment attachment) {
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         this.attachments.add(attachment);
     }
 
     public String getFrom() {
         return from;
     }
 
     public void setFrom(String from) {
         this.from = from;
     }
 
     public String getTo() {
         return to;
     }
 
     public void setTo(String to) {
         this.to = to;
     }
 
     public String getSubject() {
         return subject;
     }
 
     public void setSubject(String subject) {
         this.subject = subject;
     }
 
     public String getType() {
         return type;
     }
 
     public void setType(String type) {
         this.type = type;
     }
 
     public String getContentType() {
         return contentType;
     }
 
     public void setContentType(String contentType) {
         this.contentType = contentType;
     }
 
     public String getName() {
         return name;
     }
 
     public void setName(String name) {
         this.name = name;
     }
 
     public String getText() {
         return text;
     }
 
     public void setText(String text) {
         this.text = text;
     }
 
 
     public String getCc() {
         return cc;
     }
 
 
     public void setCc(String cc) {
         this.cc = cc;
     }
 
     public void setValues(Map<String, Object> params, List<MailAttachment> attachments) {
 
         if(params.containsKey(MAIL_TEMPLATE_FILE)) {
             this.templateFile = (String) params.get(MAIL_TEMPLATE_FILE);
         }
 
         if(params.containsKey(MAIL_CONTENT_TYPE)) {
             this.contentType = (String) params.get(MAIL_CONTENT_TYPE);
         }
 
         if(params.containsKey(MAIL_FROM)) {
             this.from = (String) params.get(MAIL_FROM);
         }
 
         if(params.containsKey(MAIL_SUBJECT)) {
             this.subject = (String) params.get(MAIL_SUBJECT);
         }
 
         if(params.containsKey(MAIL_TO)) {
             this.to = (String) params.get(MAIL_TO);
         }
         if(params.containsKey(MailTemplate.MAIL_TO_WORKFLOW)) {
             this.to = (String) params.get(MailTemplate.MAIL_TO_WORKFLOW);
         }
 
         if(params.containsKey(MAIL_CC)) {
             this.cc = (String) params.get(MAIL_CC);
         }
 
         if(params.containsKey(MAIL_TYPE)) {
             this.type = (String) params.get(MAIL_TYPE);
         }
 
         if(params.containsKey(MAIL_BODY)) {
             this.text = (String) params.get(MAIL_BODY);
         }
 
         if(params.containsKey(MAIL_REPLY_TO)) {
             this.replyTo = (String) params.get(MAIL_REPLY_TO);
         }
 
         if(params.containsKey(MAIL_BCC)) {
             this.bcc = (String) params.get(MAIL_BCC);
         }
 
         // instance of this class will be re-used. Do not let references to internal variables escape the instance
         this.parameters.clear();
         this.parameters.putAll(params);
 
         if(!CollectionUtils.isEmpty(attachments)) {
             // instance of this class will be re-used. Do not let references to internal variables escape the instance
             this.attachments.clear();
             this.attachments.addAll(attachments);
         }
     }
 
     public String getTemplateFile() {
         return templateFile;
     }
 
     public void setTemplateFile(String templateFile) {
         this.templateFile = templateFile;
     }
 
     public String getBcc() {
         return bcc;
     }
 
     public void setBcc(String bcc) {
         this.bcc = bcc;
     }
 
     public String getReplyTo() {
         return replyTo;
     }
 
     public void setReplyTo(String replyTo) {
         this.replyTo = replyTo;
     }
 
     public Session initSession() {
 
         Map<String, String> smtp = MailModule.getInstance().getSmtp();
         Properties props = new Properties(); // System.getProperties(); should I try to use the system properties ?
 
         props.put("mail.smtp.host", MailUtil.getParameter(getParameters(), MailConstants.SMTP_SERVER, smtp.get(MailConstants.SMTP_SERVER)));
         props.put("mail.smtp.port", MailUtil.getParameter(getParameters(), MailConstants.SMTP_PORT, smtp.get(MailConstants.SMTP_PORT)));
 
         final String starttls = (String) MailUtil.getParameter(getParameters(), MailConstants.SMTP_TLS, smtp.get(MailConstants.SMTP_TLS));
         if ("true".equals(starttls)) {
             //MAGNOLIA-2420
             props.put("mail.smtp.starttls.enable", starttls);
         }
         final String ssl = (String) MailUtil.getParameter(getParameters(), MailConstants.SMTP_SSL, smtp.get(MailConstants.SMTP_SSL));
         if ("true".equals(ssl)) {
             //MAGNOLIA-2420
             props.put("mail.smtp.socketFactory.port", MailUtil.getParameter(getParameters(), MailConstants.SMTP_PORT, smtp.get(MailConstants.SMTP_PORT)));
             props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
             props.put("mail.smtp.socketFactory.fallback", "false");
         }
 
         Authenticator auth = null;
         final String smtpUser = (String) MailUtil.getParameter(getParameters(), MailConstants.SMTP_USER, smtp.get(MailConstants.SMTP_USER));
         final String smtpPassword = (String) MailUtil.getParameter(getParameters(), MailConstants.SMTP_PASSWORD, smtp.get(MailConstants.SMTP_PASSWORD));
         if (StringUtils.isNotBlank(smtpUser)) {
             props.put("mail.smtp.auth", "true");
             props.put("mail.smtp.user", smtpUser);
             auth = new Authenticator() {
                 protected PasswordAuthentication getPasswordAuthentication() {
                     return new PasswordAuthentication(smtpUser, smtpPassword);
                 }
             };
         }
         props.put("mail.smtp.sendpartial", StringUtils.defaultString(smtp.get(MailConstants.SMTP_SEND_PARTIAL)));
         return Session.getInstance(props, auth);
     }
 
 }