package com.projectpet.validation;

import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.stereotype.Component; 
import org.springframework.validation.Errors; 
import org.springframework.validation.ValidationUtils; 
import org.springframework.validation.Validator;

import com.projectpet.model.User;
import com.projectpet.service.UserService; 
 
@Component 
public class UserValidator  implements Validator  
{ 
 @Autowired 
    private UserService userService; 
 
    @Override 
    public boolean supports(Class<?> aClass) { 
        return User.class.equals(aClass); 
    } 
    @Override 
    public void validate(Object o, Errors errors) { 
        User user = (User) o; 
 
 
    ValidationUtils.rejectIfEmptyOrWhitespace(errors, "username", "NotEmpty"); 
        if (user.getUsername().length() < 6 || user.getUsername().length() > 32) { 
            errors.rejectValue("username", "Size.userForm.username"); 
        } 
        if (userService.findByUsername(user.getUsername()) != null) { 
            errors.rejectValue("username", "Duplicate.userForm.username"); 
        } 
 
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "password", "NotEmpty"); 
        if (user.getPassword().length() < 8 || user.getPassword().length() > 32) { 
            errors.rejectValue("password", "Size.userForm.password"); 
        } 
 
        if (!user.getConfirmPassword().equals(user.getPassword())) { 
            errors.rejectValue("confirmPassword", "Diff.userForm.passwordConfirm"); 
        } 
    } 
}