package dk.daoas.daoadresseservice;

import org.apache.commons.lang3.StringUtils;

import dk.daoas.daoadresseservice.beans.SearchRequest;
import dk.daoas.daoadresseservice.beans.SearchResult;

public class LevenshteinStreetnameHelper implements StreetnameHelper {
	
	//AddressSearch search;
	
	public LevenshteinStreetnameHelper(AddressSearch search ) {
		//this.search = search;
	}

	@Override
	public String proposeStreetName(SearchRequest request, SearchResult result) {
		
		result.levenshtein = true;
		
		for(String vej : request.streetNames.keySet() ) {
			if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 1) {
				System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej);
				return vej;
			}
		}
		
		//prøv igen med distance=2
		for(String vej : request.streetNames.keySet() ) {
			if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 2) {
				System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej);
				return vej;
			}
		}
		
		return null;
	}

}