package dk.daoas.fulddaekning;

public class BoundingBox {
		
	
	public static class BoundingBoxException extends Exception{
		public BoundingBoxException(String reason) {
			super(reason);
		}
		
		private static final long serialVersionUID = 1L;		
	}
	
	//public static final double LATITUDE_MARGIN = 0.02702703;
	//public static final double LONGUTUDE_MARGIN = 0.046875; 
	
	public double latitudeMax;
	public double latitudeMin;
	
	public double longitudeMax;
	public double longitudeMin;
	
	
	@Override
	public String toString() {
		return "bbox: Latitude=" + latitudeMin +"/" + latitudeMax + " longitude=" + longitudeMin + "/" + longitudeMax;
	}
	
	public void validateBbox() throws BoundingBoxException {
		
		double latDiff = Math.abs(latitudeMax - latitudeMin);		
		if ( latDiff > 1.0) {
			throw new BoundingBoxException("For stor latitude forskel / " + latDiff);
		}
		
		double lngDiff = Math.abs(longitudeMax - longitudeMin);	
		if ( lngDiff > 1.0) {
			throw new BoundingBoxException("For stor longitude forskel / " + lngDiff);
		}
		
		GeoPoint min = new GeoPoint(latitudeMin, longitudeMin);
		GeoPoint max = new GeoPoint(latitudeMax, longitudeMax);
		double afstand = GeoPoint.beregnAfstand(min, max);
		
		if (afstand >= 80.0) { //hvis cross afstand er over 80 km - så er postnummeret for stort
			throw new BoundingBoxException("For stor cross afstand " + afstand);
		}
	}
	
	public void adjustToMargin() {
		Constants consts = Constants.getInstance();
		
		latitudeMax += consts.getLatitudeMargin();
		latitudeMin -= consts.getLatitudeMargin();
		
		longitudeMax += consts.getLongitudeMargin();
		longitudeMin -= consts.getLongitudeMargin();
	}
	

}