/*
  Mediazentrale - Personal Media Center
  Copyright (C) 2021  Ulrich Hilger

  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 <https://www.gnu.org/licenses/>.
 */
package de.uhilger.mediaz.api;

import com.sun.net.httpserver.HttpExchange;
import de.uhilger.mediaz.App;
import de.uhilger.mediaz.Server;
import de.uhilger.mediaz.store.StorageFile;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.logging.Logger;

/**
 *
 * @author ulrich
 */
public class ListFileHandler extends FileHandler {
  
  /* Der Logger fuer diesen ListFileHandler */
  private static final Logger logger = Logger.getLogger(ListFileHandler.class.getName());
  
  public ListFileHandler(String absoluteDirectoryPathAndName) {
    super(absoluteDirectoryPathAndName);
  }

  @Override
  public void handle(HttpExchange e) throws IOException {
    String path = e.getRequestURI().toString();
    logger.fine(path);
    if(path.endsWith(App.getRs(Server.RB_SLASH))) {
      String fName = getFileName(e);
      logger.fine(fName);
      File dir = new File(fileBase, fName);
      logger.fine(dir.getAbsolutePath());
      File[] files = dir.listFiles();
      ArrayList list = new ArrayList();
      if(files != null) {
        for(File file : files) {
          StorageFile sf = new StorageFile();
          String fname = file.getName();
          sf.setName(fname);
          if(file.isDirectory()) {
            sf.setTyp(StorageFile.TYP_FOLDER);
          } else {
            if(fname.endsWith(".mp3")) {
              sf.setTyp(StorageFile.TYP_AUDIO);              
            } else if(fname.endsWith(".mp4") || fname.endsWith(".m4v")) {
              sf.setTyp(StorageFile.TYP_VIDEO);                            
            } else {
              sf.setTyp(StorageFile.TYP_FILE);
            }
          }
          list.add(sf);
        }
      }
      String json = jsonWithCustomType(list, "Medialiste");
      logger.fine(json);
      e.sendResponseHeaders(200, json.length());
      OutputStream os = e.getResponseBody();
      os.write(json.getBytes());
      os.close();        
    } else {
      super.handle(e);
    }
  }
  
  
}