/* 
 * Copyright 2012 Tallinn University Centre for Educational Technology
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ee.htk.dippler.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import android.content.Context;
import android.text.format.DateFormat;
import android.util.Log;

public class ServiceDate {
	public static final String DATE_FORMAT = "EEE MMM dd kk:mm:ss z yyyy";
	public static final String DATE_FORMAT_WP = "EEE, dd MMM yyyy kk:mm:ss z";
	
	static java.text.DateFormat df;
	static SimpleDateFormat sdf = new SimpleDateFormat(ServiceDate.DATE_FORMAT, Locale.US);

	public static String format(Context context, String date) {
		Log.i("dippler-app", "Current date in " + date);
		if ( df == null ) {
			df = DateFormat.getLongDateFormat(context);
		}
		
		//try if integer passed
		try {
			int seconds = Integer.parseInt(date);
			return ServiceDate.format(context, seconds);
		} catch (NumberFormatException e) {
			//Nothing todo
		}
		
		try {
			date = df.format(sdf.parse(date));
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		Log.i("dippler-app", "Date out " + date);
		return date;
	}

	public static String format(Context context, int timestamp) {
		if ( df == null ) {
			df = DateFormat.getLongDateFormat(context);
		}
		return df.format(new Date( timestamp * 1000L ));
	}

	public static String format(Context context, Date date_in) {
		if ( df == null ) {
			df = DateFormat.getLongDateFormat(context);
		}
		return df.format(date_in);
	}

	public static String format(Context context, String date,
			String dateFormat) {
		if ( df == null ) {
			df = DateFormat.getLongDateFormat(context);
		}
		SimpleDateFormat sdf = new SimpleDateFormat(dateFormat, Locale.US);
		try {
			return df.format(sdf.parse(date));
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return date;
	}
}