package server;

import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.ws.rs.core.Response;

import org.springframework.stereotype.Service;

import CRUD.ICRUDService;
import ProfileObjects.profile.Profile;
import customExceptions.CustomException;

@Service("CRUDManagementService")
public class CRUDManagement implements ICRUDService {

	HashMap<Integer, Profile> tempServer = new HashMap<Integer, Profile>();
	public static final Pattern VALID_EMAIL_ADDRESS_REGEX = Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);

	int currentID = 1;
		
	public Response createProfile(Profile profile) throws CustomException 
	{
		Profile newProfile = profile;
		
		newProfile.setUserID(currentID);
		
		if(newProfile.getName() == null)
        {
            throw new CustomException("NO_NAME - User name is missing.");
        }
		
		if(newProfile.getName().length() > 50)
        {
            throw new CustomException("NAME_TOO_LONG - User name is over the character limit");
        }
		
		if(newProfile.getName().length() < 1)
        {
            throw new CustomException("NAME_TOO_SHORT - User name is under the character limit");
        }
		
		if(newProfile.getLocation().getCity().length() > 50)
        {
            throw new CustomException("LOCATION_TOO_LONG - Location is over character limit");
        }
	
    	if(!validateEmailAddress(profile.getEmail()))
        {
            throw new CustomException("INVALID_EMAIL - Email is not a valid email address");
        }
		
	/*	if(newProfile.getImage().getImageURI() == null)
        {
            throw new CustomException("INVALID_IMAGE_LINK - The image link does not lead to an image.");
        } 
		
	 	if(newProfile.getImage().getSize() == null)
        {
            //if not a jpg, gif, png  OR  correct size....
            throw new CustomException("INVALID_IMAGE - The image does not meet dimension or format requirements");
        }  */
		
		newProfile.setUserRating(0);
		
		tempServer.put(newProfile.getUserID(), newProfile);
		
		currentID++;
		return Response.status(201).entity(newProfile).build();		
				
	}
	
	
	public Response updateProfile(int id,Profile profile) throws CustomException
	{
		
		if(tempServer.containsKey(id))
		{
			if(profile == null){	
		    	throw new CustomException("NO_DATA � No data was given to update.");
		    }
			
			System.out.println("Profile id: "+profile.getUserID());
			System.out.println("Input id: "+id);
			
			if(id == profile.getUserID())
			{
				
				if(profile.getName().length() > 50)
		        {
		            throw new CustomException("NAME_TOO_LONG - User name is over the character limit");
		        }
				
				if(profile.getName().length() < 1)
		        {
		            throw new CustomException("NAME_TOO_SHORT - User name is under the character limit");
		        }
				
				if(profile.getLocation().getCity().length() > 50)
		        {
		            throw new CustomException("LOCATION_TOO_LONG - Location is over character limit");
		        }
			
				if(!validateEmailAddress(profile.getEmail()))
		        {
		            throw new CustomException("INVALID_EMAIL - Email is not a valid email address");
		        }
				
			/*	if(profile.getImage().getImageURI() == null)
		        {
		            throw new CustomException("INVALID_IMAGE_LINK - The image link does not lead to an image.");
		        } 
				
			 	if(profile.getImage().getSize() == null)
		        {
		            //if not a jpg, gif, png  OR  correct size....
		            throw new CustomException("INVALID_IMAGE - The image does not meet dimension or format requirements");
		        }  */
				
				tempServer.put(id,profile);
//				Profile updateProfile = (Profile) tempServer.get(id);
//				updateProfile = profile;
//				tempServer.put(updateProfile.getUserID(), updateProfile);	
				
				return Response.ok().build();
			}
			else
			{
				throw new CustomException("ID_MISMATCH - The id on the request and the profile don�t match");
			}
		}
		else
		{
			return Response.status(404).build();   //id doesn't exist
		}		
	}
	
	public Response getProfile(int id) throws CustomException
	{
		if(tempServer.containsKey(id))
		{
			Profile profile = (Profile) tempServer.get(id);
			return Response.ok(profile).build();
		}
		else
		{
			return Response.status(404).build();
			//throw new CustomException("INVALID_ID � The given ID doesn�t exist.");
		}
		
	}
	
	public Response deleteProfile(int id) throws CustomException
	{
		if(tempServer.containsKey(id))
		{
			tempServer.remove(id);
			return Response.status(204).build();
		}
		else
		{
			return Response.status(404).build();
			//throw new CustomException("INVALID_ID � The given ID doesn�t exist.");		
		}
	}
	
	private boolean validateEmailAddress(String s){
		 Matcher matcher = VALID_EMAIL_ADDRESS_REGEX .matcher(s);
	        return matcher.find();
	}
}