package de.uhilger.calypso.handler;

import com.sun.net.httpserver.HttpExchange;
import de.uhilger.calypso.App;
import de.uhilger.calypso.OMXLogLeser;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * z.B.
 * http://rpi4-az:9090/avd/playon?th=1&ti=240&o=local&log=true&titel=http://amd-srv:9090/srv/Filme/C/casino_royale.m4v
 *
 * @author ulrich
 */
public class PlayOnHandler extends PlayHandler {

  private static final Logger logger = Logger.getLogger(PlayOnHandler.class.getName());
  
  public static final String LOG_DIR = "omx-logs";
  public static final String LOG_EXT = "log";
  public static final String DASH = "-";
  public static final String DOT = ".";

  SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

  public PlayOnHandler(String cmd) {
    super(cmd);
  }

  /*
    1. buildParams
    2. process
   */
  @Override
  protected StringBuilder buildParams(HttpExchange t) {
    File logDir = logSichern();
    StringBuilder params = super.buildParams(t);
    params.append(" --pos ");
    try {
      params.append(dauerBestimmen(logDir));
    } catch (IOException | ParseException ex) {
      logger.log(Level.SEVERE, null, ex);
    }
    return params;
  }
  
  private File logSichern() {
    String wd = System.getProperty(App.OMX_WD);
    File zielOrdner = new File(wd, LOG_DIR);
    try {
      // omxplayer.log umbenennen
      FileSystem fs = FileSystems.getDefault();
      Path logDatei = fs.getPath(wd, OMXPlayer.NAME + DOT + LOG_EXT);
      Date now = new Date();
      String neuerName = OMXPlayer.NAME + DASH + sdf.format(now) + DOT + LOG_EXT;
      Files.move(logDatei, logDatei.resolveSibling(neuerName));

      // Unterverzeichnis ggf. erzeugen
      zielOrdner.mkdirs();

      // omxplayer-datum.log verschieben
      Path quellDatei = fs.getPath(wd, neuerName);
      Path zielPfad = fs.getPath(wd, LOG_DIR);
      Files.move(quellDatei, zielPfad.resolve(quellDatei.getFileName()), REPLACE_EXISTING);
    } catch (IOException ex) {
      logger.log(Level.SEVERE, null, ex);
    }
    return zielOrdner;
  }

  private String dauerBestimmen(File logDir) throws IOException, FileNotFoundException, ParseException {
    OMXLogLeser leser = new OMXLogLeser();
    return leser.logDirLesen(logDir);
  }

}