package eu.dnetlib.apps.oai2ftp.utils;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class LocalStorage implements StorageClient {

	private static final Log log = LogFactory.getLog(LocalStorage.class);

	@Override
	public void login(final String user, final String password) {}

	@Override
	public void disconnect() {}

	public String currDir = "/tmp";

	@Override
	public boolean changeDir(final String dir) {
		try {
			final File d = new File(dir.startsWith("/") ? dir : currDir + "/" + dir);
			FileUtils.forceMkdir(d);
			currDir = d.getAbsolutePath();
			return true;
		} catch (final IOException e) {
			return false;
		}
	}

	@Override
	public void saveFile(final String filename, final String body) {
		try {
			IOUtils.write(body, new FileWriter(currDir + "/" + filename));
		} catch (final IOException e) {
			log.error("Error saving info file");
			throw new RuntimeException("Error saving info file", e);
		}
	}

}