package dk.daoas.daoadresseservice;

import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import dk.daoas.daoadresseservice.AddressUtils.SplitResult;
import dk.daoas.daoadresseservice.SearchResult.Status;
import dk.daoas.daoadresseservice.db.DatabaseLayer;

public class AdressSearch {

	Map<Integer, Map<String,Long>> searchPostnrVejnavnGadeid;	
	Map<Long,  Map<String,Address>> searchGadeidentAdresser;

	List<Address> alleAdresser;
	
	/* Mapper mellem db Row ID og adresse noden */
	Map<Integer,Address> idAddressMap;
	
	
	Map<Integer,HundredePctBean> hundredePct;
	
	
	public SearchResult search(String postnrStr, String adresse)  {
		int postnr=0;
		
		try {
			postnr = Integer.parseInt(postnrStr);
		} catch (Exception E) {
			return new SearchResult(Status.ERROR_UNKNOWN_POSTAL);
		}		
		
		Map<String,Long> postnrVeje = searchPostnrVejnavnGadeid.get(postnr);			
		
		if (postnrVeje == null) {
			return new SearchResult(Status.ERROR_UNKNOWN_POSTAL);
		}
		
		SplitResult split = AddressUtils.splitAdresse(adresse);
		String vasketVejnavn = AddressUtils.vaskVejnavn( split.vej );
		
		if (split.husnr.length() == 0) {
			return new SearchResult(Status.ERROR_MISSING_HOUSENUMBER);			
		}
		
		Long gadeident =  postnrVeje.get(vasketVejnavn);
		if (gadeident == null) {
			return new SearchResult(Status.ERROR_UNKNOWN_STREETNAME);
		}	
		
		Map<String, Address> gade =  searchGadeidentAdresser.get(gadeident); //Denne søgning må ikke fejle
		
		
		String husnrSearch = "" + split.husnr + split.litra;
		Address addr = gade.get(husnrSearch);
		if (addr == null) {
			return new SearchResult(Status.ERROR_UNKNOWN_ADDRESSPOINT);
		}
		
		if (addr.daekningsType == DaekningsType.DAEKNING_IKKEDAEKKET) {
			return new SearchResult(Status.STATUS_NOT_COVERED);
		}
		
		if (addr.distributor.equals("LUKKET")) {
			return new SearchResult(Status.STATUS_NOT_COVERED); //Skal vi have en special status til Lukkede adresser ?
		}
				
		
		return new SearchResult(addr);
	}
	
	
	public void buildSearchStructures() throws SQLException{
		searchPostnrVejnavnGadeid = new HashMap<Integer, Map<String,Long>>();
		searchGadeidentAdresser = new HashMap<Long,  Map<String,Address>>();
		idAddressMap = new HashMap<Integer,Address>();
		
		System.out.println("Build -- stage 1");
		
		alleAdresser = DatabaseLayer.getAllAdresses();
		
		for (Address a : alleAdresser) {
			idAddressMap.put(a.id, a);
			
			Map<String,Long> postnrVeje = searchPostnrVejnavnGadeid.get(a.postnr);		
			
			if (postnrVeje == null) {
				postnrVeje = new ConcurrentHashMap<String,Long>();
				searchPostnrVejnavnGadeid.put(a.postnr, postnrVeje);
			}
			
			Long gadeident = postnrVeje.get(a.vasketVejnavn);
			if (gadeident == null) {
				postnrVeje.put(a.vasketVejnavn, a.gadeid);
			}
			
			Map<String, Address> gade =  searchGadeidentAdresser.get(a.gadeid); 
			if (gade == null) {
				gade = new HashMap<String, Address>();
				searchGadeidentAdresser.put(a.gadeid, gade);
			}
			String husnrSearch = "" + a.husnr + a.husnrbogstav;
			gade.put(husnrSearch, a);
		}
		
		
		////////////////////////////////////////////////////////////////////////////////////////
		System.out.println("Build -- stage 2 udvidet dækning");
		
		List<ExtendedBean> extDao = DatabaseLayer.getExtendedAdresslist();
		for (ExtendedBean eb : extDao) {
			
			Address orgAddress = idAddressMap.get(eb.orgId);			
			if (orgAddress == null)
				continue;
			
			Address targetAddress = idAddressMap.get(eb.targetId);
			if (targetAddress == null)
				continue;
			
			if (orgAddress.distributor != null && orgAddress.distributor.equals("LUKKET")) {
				continue;
			}			
			
			if (targetAddress.distributor.equals("LUKKET")) {
				continue;
			}
			
			orgAddress.extTarget = targetAddress;
			orgAddress.extAfstand = eb.afstand;

			orgAddress.rute = calculateExtendedRoute(eb,orgAddress,targetAddress);
			
			if (orgAddress.rute != null) {
				orgAddress.daekningsType = DaekningsType.DAEKNING_UDVIDET;
				orgAddress.koreliste = targetAddress.koreliste;
				orgAddress.dbkBane = targetAddress.dbkBane;
				
				/* Sådan gør den gamle service */
				orgAddress.kommunekode = targetAddress.kommunekode;
				orgAddress.vejkode = targetAddress.vejkode;
				
				orgAddress.distributor = targetAddress.distributor;
			}

			
		}
		//////////////////////////////////////////////////////////////////////////////////////
		System.out.println("Build -- stage 3 - 100pct");
		
		hundredePct = DatabaseLayer.get100PctList();
		for (Address addr : alleAdresser) {
			if (addr.daekningsType != DaekningsType.DAEKNING_IKKEDAEKKET) {
				continue;
			}
			
			if (addr.distributor != null && addr.distributor.equals("LUKKET")) {
				continue;
			}
			
			
			HundredePctBean bean = hundredePct.get(addr.postnr);
			if (bean == null) {
				continue;
			}
			
			addr.daekningsType = DaekningsType.DAEKNING_100PCT;
			addr.rute = bean.rute;
			addr.koreliste = bean.koreliste;
			addr.dbkBane = bean.dbkBane;
			addr.distributor = bean.distributor;
		}
		
	}
	
	
	private String calculateExtendedRoute(ExtendedBean eb, Address orgAddress, Address targetAddress) {
		switch (targetAddress.distributor) {
		case "DAO":
			// ///////////////////////////////////////////////////////////////////
			switch( eb.transport) {
			case "cykel":
				if (eb.afstand < 0.151) {
					return "." + targetAddress.rute;
				} else if (eb.afstand < 0.501) {
					return ".." + targetAddress.rute;
				} else if (eb.afstand < 0.701) {
					return "..." + targetAddress.rute;
				} else if (eb.afstand < 0.501) {
					return "...." + targetAddress.rute;
				}
				break;			
			case "scooter":
				if (eb.afstand < 0.151) {
					return "." + targetAddress.rute;
				} else if (eb.afstand < 0.801) {
					return ".." + targetAddress.rute;
				} else if (eb.afstand < 1.201) {
					return "..." + targetAddress.rute;
				} else if (eb.afstand < 2.101) {
					return "...." + targetAddress.rute;
				}
				break;				
			case "bil":
				if (eb.afstand < 0.151) {
					return "." + targetAddress.rute;
				} else if (eb.afstand < 1.001) {
					return ".." + targetAddress.rute;
				} else if (eb.afstand < 1.601) {
					return "..." + targetAddress.rute;
				} else if (eb.afstand < 2.601) {
					return "...." + targetAddress.rute;
				}
				break;
			}
			break;
			
		///////////////////////////////////////////////////////////
			
		case "BK":
			String inject;
			if (eb.afstand <= 0.500) {
				inject = ".";
			} else {
				inject = "..";
			}
			return AddressUtils.injectIntoBk(targetAddress.rute, inject);
		}
		return null;
	}	
	
	
}