/*
    Dateiverwaltung - File management in your browser
    Copyright (C) 2017 Ulrich Hilger, http://uhilger.de

    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 de.uhilger.wbx;

import java.io.File;
import java.net.FileNameMap;
import java.net.URLConnection;
import java.util.logging.Logger;

/**
 * Methoden zur Verkleinerung von Bildern
 */
public class Bild {

  private static final Logger logger = Logger.getLogger(Bild.class.getName());
  
  public static final int WINZIG = 0;
  public static final int KLEIN = 1;
  public static final int SEMI = 2;
  public static final int MITTEL = 3;
  public static final int GROSS = 4;

  public static final String[] GRNAME = {"-w", "-k", "-s", "-m", "-g"};
  public static final int[] GR = {120, 240, 500, 700, 1200};
  
  public String imgType(String mimeType) {
    String imgType;
    if (mimeType.contains("jpg")) {
      imgType = "jpg";
    } else if (mimeType.contains("jpeg")) {
      imgType = "jpg";
    } else if (mimeType.contains("png")) {
      imgType = "png";
    } else if (mimeType.contains("gif")) {
      imgType = "gif";
    } else {
      imgType = "jpg";
    }
    return imgType;
  }

  /**
   *
   * @param v Bild.WINZIG .. Bild.GROSS
   * @return L&auml;nge der l&auml;ngsten Kante in Bildpunkten
   */
  public int getVariantenGroesse(int v) {
    return GR[v];
  }

  public String getVariantenName(int v) {
    return GRNAME[v];
  }

  public String getMimeType(File file) {
    String absName = file.getAbsolutePath();
    FileNameMap fileNameMap = URLConnection.getFileNameMap();
    return fileNameMap.getContentTypeFor("file://" + absName);
  }
}