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package com.juick.service;

import com.juick.Tag;
import com.juick.User;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import javax.inject.Inject;

/**
 * Created by aalexeev on 11/13/16.
 */
@Repository
@Transactional
public class PrivacyQueriesServiceImpl extends BaseJdbcService implements PrivacyQueriesService {

    @Inject
    public PrivacyQueriesServiceImpl(JdbcTemplate jdbcTemplate) {
        super(jdbcTemplate, null);
    }

    @Override
    public PrivacyResult blacklistUser(final User user, final User target) {
        int result = getJdbcTemplate().update(
                "DELETE FROM bl_users WHERE user_id=? AND bl_user_id=?",
                user.getUid(),
                target.getUid());
        if (result > 0) {
            return PrivacyResult.Removed;
        } else {
            getJdbcTemplate().update(
                    "INSERT INTO bl_users(user_id,bl_user_id) VALUES (?,?)",
                    user.getUid(),
                    target.getUid());
            return PrivacyResult.Added;
        }
    }

    @Override
    public PrivacyResult blacklistTag(final User user, final Tag tag) {
        int result = getJdbcTemplate().update(
                "DELETE FROM bl_tags WHERE user_id=? AND tag_id=?",
                user.getUid(),
                tag.TID);
        if (result > 0) {
            return PrivacyResult.Removed;
        } else {
            getJdbcTemplate().update(
                    "INSERT INTO bl_tags(user_id,tag_id) VALUES (?,?)",
                    user.getUid(),
                    tag.TID);
            return PrivacyResult.Added;
        }
    }
}