package dk.thoerup.traininfoservice.banedk;

import java.net.URL;
import java.util.logging.Logger;

import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import dk.thoerup.android.traininfo.common.DepartureBean;
import dk.thoerup.android.traininfo.common.DepartureEntry;
import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.circuitbreaker.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.traininfoservice.TraininfoSettings;

public class TritinfoFetcher {
	
	Logger logger = Logger.getLogger( TritinfoFetcher.class.getName() );
	TraininfoSettings settings;
	
	public TritinfoFetcher(TraininfoSettings settings) {
		this.settings = settings;
	}
	
	
	
	
	public void injectTritinfoData(DepartureBean departureBean, StationEntry station) throws Exception {
	    String uri = "http://tritinfo.pallas.dk/webtavle?page=stationcontent&staid=" + station.getTritStation();
	    logger.fine("URI:" + uri);
	    

	    JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() ); 
	    CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("tritinfo");
	    
	    Element page = (Element) breaker.invoke(wrapper);		
	    
	    Element table = page.getElementsByClass("passages").get(0);
	    
	    Elements trains = table.getElementsByClass("train");
	    
	    for (int i=0; i<trains.size(); i++) {
	    	Element train = trains.get(i);
	    	
	    	//String trainType = train.getElementsByClass("trainType").get(0).text();
	    	String trainNumber = train.getElementsByClass("trainNumber").get(0).text();	    	
	    	
	    	Elements trackElems = train.getElementsByClass("plannedTrack");
	    	if (trackElems.size() == 0) {
	    		trackElems = train.getElementsByClass("expectedTrack");
	    	}
	    	String track = trackElems.get(0).text().trim();
	    	String trackType = train.getElementsByClass("trackType").get(0).text().trim();
	    	
	
	    	String platform = track;
			if ( !trackType.equals("")) {
				platform += trackType;
			}
	    	
	    	for (DepartureEntry entry : departureBean.entries) {
	    		String entryTrainId = entry.getTrainNumber().split(" ")[1];
	    		if ( entryTrainId.equals(trainNumber)) {
	    			
	    			entry.setPlatform(platform);
	    			break;
	    		}
	    	}
	    }
	}

}