/*
 *  Radiozentrale - Webradio App
 *  Copyright (C) 2018 Ulrich Hilger, http://uhilger.de
 *
 *  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, 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/
 */

package de.uhilger.radiozentrale.api;

import de.uhilger.baselink.PersistenceManager;
import de.uhilger.radiozentrale.daten.Sender;
import de.uhilger.radiozentrale.web.Initialiser;
import java.sql.Connection;
import java.util.List;
import java.util.logging.Logger;

/**
 *
 */
public class SenderApi extends DbApi {
  
  private static final Logger logger = Logger.getLogger(SenderApi.class.getName());
  
  public static final String SQL_GET_SENDER = "getSender";
  public static final String KEY_SENDER_ID = "sender_id";
  
  public Sender neuerSender(Sender sender) {
    Sender neuerSender = null;
    PersistenceManager db = getDb();
    Connection c = db.getConnection();
    db.startTransaction(c);
    int nextKey = getNextId(db, KEY_SENDER_ID);
    if(nextKey > -1) {
      sender.setId(nextKey);
      Object o = getDb().insert(sender, getMapper(Initialiser.MP_SENDER));
      if(o instanceof Sender) {
        neuerSender = (Sender) o;
        db.commit(c);
        logger.fine("Sender erstellt: " + sender.getId() + " " + sender.getName());
      } else {
        db.rollback(c);
        logger.info("Sender konnte nicht erstellt werden: " + sender.getName());
      } 
    } else {
      db.rollback(c);
      logger.info("Sender konnte nicht erstellt werden, nextKey ist -1");
    }
    return neuerSender;  
  }
  
  public Sender senderAendern(Sender sender) {
    Sender geaendert = null; 
    Object o = getDb().update(sender, getMapper(Initialiser.MP_SENDER));
    if(o instanceof Sender) {
      geaendert = (Sender) o;
      logger.fine("Sender geaendert: " + sender.getId() + " " + sender.getName());
    }
    return geaendert;
  }
  
  public Sender senderLoeschen(Sender sender) {
    Sender geloescht = null;
    Object o = getDb().delete(sender, getMapper(Initialiser.MP_SENDER));
    if(o instanceof Sender) {
      geloescht = (Sender) o;
      logger.fine("Sender geloescht: " + sender.getId() + " " + sender.getName());
    }
    return geloescht;
  }
  
  public List senderliste() {
    return getDb().select(getSql(SQL_GET_SENDER), getMapper(Initialiser.MP_SENDER));
  }
  
}