/*
 * Copyright (C) 2008-2020, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.www.api.webhooks;

import com.juick.TelegramBotManager;
import com.pengrad.telegrambot.BotUtils;
import com.pengrad.telegrambot.model.Update;
import io.swagger.v3.oas.annotations.Hidden;
import org.apache.commons.io.IOUtils;
import org.apache.commons.text.StringEscapeUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

import javax.inject.Inject;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

/**
 * Created by vt on 24/11/2016.
 */
@Hidden
@RestController
@ConditionalOnProperty({"telegram_token"})
public class TelegramWebhook {
    private static final Logger logger = LoggerFactory.getLogger("Telegram");
    @Inject
    private TelegramBotManager telegramBotManager;

    @RequestMapping(value = "/api/tlgmbtwbhk", method = RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK)
    public void processUpdate(InputStream body) throws Exception {
        String data = IOUtils.toString(body, StandardCharsets.UTF_8);
        logger.debug("Telegram update: {}", StringEscapeUtils.unescapeJava(data));
        Update update = BotUtils.parseUpdate(data);
        telegramBotManager.processUpdate(update);
    }
}