package com.juick.service;

import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;

import javax.inject.Inject;
import java.util.List;
import java.util.UUID;

/**
 * Created by vt on 24/11/2016.
 */
@Repository
public class TelegramServiceImpl extends BaseJdbcService implements TelegramService {
    @Inject
    protected TelegramServiceImpl(JdbcTemplate jdbc) {
        super(jdbc, null);
    }

    @Override
    public void addChat(Long id) {
        getJdbcTemplate().update("INSERT IGNORE INTO telegram_chats(chat_id) VALUES(?)", id);
    }

    @Override
    public List<Long> getChats() {
        return getJdbcTemplate().queryForList("SELECT chat_id FROM telegram_chats", Long.class);
    }

    @Override
    public int getUser(long tgId) {
        try {
            return getJdbcTemplate().queryForObject("SELECT id FROM users INNER JOIN telegram " +
                    "ON telegram.user_id = users.id WHERE telegram.tg_id=?", Integer.class, tgId);
        } catch (EmptyResultDataAccessException e) {
            return 0;
        }
    }

    @Override
    public boolean createTelegramUser(long tgID, String tgName) {
        return getJdbcTemplate().update("INSERT INTO telegram(tg_id, tg_name, loginhash) VALUES(?,?,?)",
                tgID, tgName, UUID.randomUUID().toString()) > 0;
    }

    @Override
    public List<Long> getSubscribers(int uid) {
        return getJdbcTemplate().queryForList("SELECT tg_id FROM telegram INNER JOIN subscr_users " +
                "ON (subscr_users.user_id=? AND telegram.user_id=subscr_users.suser_id)", Long.class, uid);
    }

    @Override
    public List<Long> getSubscribersToComments(int mid, int ignore_uid) {
        return getJdbcTemplate().queryForList("SELECT tg_id FROM telegram INNER JOIN subscr_messages " +
                "ON (telegram.user_id=subscr_messages.suser_id) WHERE message_id=? AND suser_id!=?", Long.class, mid, ignore_uid);
    }
}