package dk.thoerup.bukkit.hoeruputils.web;

import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.bukkit.OfflinePlayer;
import org.bukkit.Server;
import org.bukkit.plugin.Plugin;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;


@SuppressWarnings("restriction")
public class BanListener implements HttpHandler {

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

	Server server;

	long cachedTime = 0;
	String cachedText = "";

	public BanListener(Plugin plugin, Server server) {

		this.server = server;
	}

	String formatTime(String input) {
		return formatTime( Long.parseLong(input) );
	}
	String formatTime(long input) {
		Date d = new Date( input );
		return format.format(d );
	}
	
	
	
	@Override
	public void handle(HttpExchange http) throws IOException {		

		String text;

		synchronized(this) { //is this necessary ?
			long now = System.currentTimeMillis();
			if ( (now-cachedTime) > 5000) {
				text = buildText();
				cachedText = text;
				cachedTime = now;
			} else {
				text = cachedText;
			}
		}

		byte bytes[] = text.getBytes();
		http.getResponseHeaders().add("Content-Type", "text/plain");
		http.sendResponseHeaders(HttpURLConnection.HTTP_OK, bytes.length );
		final OutputStream os = http.getResponseBody();
		os.write(bytes);
		os.close();
		http.close();
		
	}
	
	private String buildText() {
		StringBuilder sb = new StringBuilder();

		sb.append("<h2>Banned Players</h2>");
		sb.append("<ul>\n");
		for(OfflinePlayer player : server.getBannedPlayers() ) {
			sb.append("<li>").append( player.getName() ).append("</li>\n");
		}
		sb.append("</ul>\n");


		sb.append("<h2>Banned IPs</h2>");
		sb.append("<ul>\n");
		for(String ip : server.getIPBans() ) {
			sb.append("<li>").append( ip ).append("</li>\n");
		}
		sb.append("</ul>\n");
		

		return sb.toString();
		
	}



}