package dk.daoas.fulddaekning;

import geocode.GeoPoint;

public class BoundingBox {
		
	
	public static class BoundingBoxException extends Exception{
		public BoundingBoxException(String reason) {
			super(reason);
		}
		
		private static final long serialVersionUID = 1L;		
	}
		
	public double latitudeMax;
	public double latitudeMin = Double.MAX_VALUE;
	
	public double longitudeMax;
	public double longitudeMin = Double.MAX_VALUE;
	
	
	@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 > 1.1) {
			throw new BoundingBoxException("For stor latitude forskel / " + latDiff);
		}
		
		double lngDiff = Math.abs(longitudeMax - longitudeMin);	
		if ( lngDiff > 1.1) {
			throw new BoundingBoxException("For stor longitude forskel / " + lngDiff);
		}
		
		GeoPoint min = new GeoPoint(latitudeMin, longitudeMin);
		GeoPoint max = new GeoPoint(latitudeMax, longitudeMax);
		double afstand = GeoPointHelper.beregnAfstand(min, max);
		
		if (afstand >= 125.0) { //hvis cross afstand er over X km - så er postnummeret for stort
			throw new BoundingBoxException("For stor cross afstand " + afstand);
		}
	}
	
	public void adjustToMargin(double kmMargin) {
		double latMargin = GeoPointHelper.kmToLatitude(kmMargin);
		double lngMargin = GeoPointHelper.kmToLongitude(kmMargin);
		
		latitudeMax += latMargin;
		latitudeMin -= latMargin;
		
		longitudeMax += lngMargin;
		longitudeMin -= lngMargin;
	}
	
	@Override
	public BoundingBox clone() {
		BoundingBox bb = new BoundingBox();
		bb.latitudeMax = this.latitudeMax;
		bb.longitudeMax = this.longitudeMax;
		
		bb.latitudeMin = this.latitudeMin;
		bb.longitudeMin = this.longitudeMin;
		
		return bb;
	}
	

}