//Notice：'_rseUserInfo' is a static private variable in the class range

@Future
    private static void updateContact(Id contactID) {

        //3. Update all the info
        Contact foundContact = [
                SELECT LastName,FirstName,Birthdate,MailingCity,MailingState,
                        MailingPostalCode,Phone,CA_Subscription_Status__c,CA_Gender__c,
                        CA_Dependants__c,CA_SkillLevel__c,CA_FavoriteCuisines__c,
                        CA_RecipeDislikes__c,CA_RecipeLikes__c,CA_Retailer__c,
                        CA_LanguagePreference__c,CA_EnjoymentLevel__c,CA_RepeatFrequency__c,
                        CA_AdventureLevel__c,CA_CreatedProfile__c,CA_CompletedProfile__c,
                        CA_HouseholdAdults__c
                FROM Contact
                WHERE Id = :contactID
                LIMIT 1
        ];


        foundContact.Email = _rseUserInfo.email_address;
        foundContact.LastName = _rseUserInfo.last_name;
        foundContact.FirstName = _rseUserInfo.first_name;
        foundContact.Birthdate = _rseUserInfo.birth_year;
        foundContact.MailingCity = _rseUserInfo.city;
        foundContact.MailingState = _rseUserInfo.state;
        foundContact.MailingPostalCode = _rseUserInfo.zip;
        foundContact.Phone = _rseUserInfo.mobile_phone;
        foundContact.CA_Subscription_Status__c = _rseUserInfo.subscription_status;
        foundContact.CA_Gender__c = _rseUserInfo.gender;
        foundContact.CA_Dependants__c = _rseUserInfo.dependants;
        foundContact.CA_SkillLevel__c = _rseUserInfo.skill_level;
        foundContact.CA_FavoriteCuisines__c = _rseUserInfo.favorite_cuisines;
        foundContact.CA_RecipeDislikes__c = _rseUserInfo.recipe_dislikes;
        foundContact.CA_RecipeLikes__c = _rseUserInfo.recipe_favorites;
        foundContact.CA_Retailer__c = _rseUserInfo.retailer;
        foundContact.CA_LanguagePreference__c = _rseUserInfo.language_preference;
        foundContact.CA_EnjoymentLevel__c = _rseUserInfo.enjoyment_level;
        foundContact.CA_RepeatFrequency__c = _rseUserInfo.repeat_frequency;
        foundContact.CA_AdventureLevel__c = _rseUserInfo.adventure_level;
        foundContact.CA_CreatedProfile__c = _rseUserInfo.created_profile;
        foundContact.CA_CompletedProfile__c = _rseUserInfo.completed_profile;
        foundContact.CA_HouseholdAdults__c = _rseUserInfo.household_adults;
        update foundContact;
    }

    /**
     * Update the userInfo by email address
     * @return the updated (latest) userInfo.
     * If there's anything wrong with the User when updating, an error
     * will occur.
     */
    public static CA_RSEUserResponse updateUserInfo(CA_RSEUserInfo rseUserInfo) {

        User u = null;
        CA_RSEUserResponse resp = new CA_RSEUserResponse();
        Savepoint sv = Database.setSavepoint();

        try {

            // 1. Update User
            u = [
                    SELECT Username,Email,FirstName,LastName,ContactId
                    FROM User
                    WHERE Id = :rseUserInfo.id
                    LIMIT 1
            ];

            System.debug('=== User ID is ===' + rseUserInfo.id);
            System.debug('User Contact ID is ===' + u.ContactId);

            u.Username = rseUserInfo.email_address;
            u.Email = rseUserInfo.email_address;
            u.FirstName = rseUserInfo.first_name;
            u.LastName = rseUserInfo.last_name;
            update u;

            _rseUserInfo = rseUserInfo;

            updateContact(u.ContactId);

            resp.errorMsg = null;
            resp.content = rseUserInfo;
        } catch (Exception ex) {
            Database.rollback(sv);
            System.debug('=== User Updated Error ===' + ex.getMessage());
            resp.errorMsg = ex.getMessage();
        }

        return resp;
    }