package no.visiti.java.kata.jz09.twitter;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

import javax.ws.rs.core.MultivaluedMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
import com.sun.jersey.core.util.MultivaluedMapImpl;

public class TweetSender {

	private Log log = LogFactory.getLog(TweetSender.class);

	/**
	 * Updates the status of the given twitter user.
	 * @param tweet
	 * @param username
	 * @param password
	 * @return
	 */
	public int tweet(final String tweet, final String username, final String password) {
		Client client = Client.create();
	
		String encodedTweet; 
		try {
			encodedTweet = URLEncoder.encode(tweet, "UTF-8");
		} catch (UnsupportedEncodingException e) {
			log.error(e);
			throw new RuntimeException(e);
		}
		final MultivaluedMap<String, String> queryParams = new MultivaluedMapImpl();
		queryParams.add("status", encodedTweet);
		
		WebResource webResource = client.resource("http://twitter.com/statuses/update.xml");
		webResource = webResource.queryParams(queryParams);
		webResource.addFilter(new HTTPBasicAuthFilter(username,password));
		
		final ClientResponse response = webResource.accept("text/xml").post(
				ClientResponse.class);

		final int status = response.getStatus();
		if (status != 200) {
			log.error("HTTP Responscode " + status); 
			return status;
		}
		log.error("Tweet sent");
		return status;
	}
	
	public static void main(String[] args) {
		String tweet = args[0] ; 
		String username = args[1];
		String password = args[2];
		TweetSender ts = new TweetSender();
		ts.tweet(tweet, username, password);
	}
}