/*
 * Copyright (C) 2008-2017, 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.controllers;

import com.juick.server.util.HttpBadRequestException;
import com.juick.server.util.HttpForbiddenException;
import com.juick.server.util.HttpUtils;
import com.juick.service.TagService;
import com.juick.server.util.UserUtils;
import com.juick.www.WebApp;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import rocks.xmpp.addr.Jid;
import rocks.xmpp.core.stanza.model.Message;
import rocks.xmpp.extensions.oob.model.x.OobX;

import javax.inject.Inject;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

/**
 * Created by vitalyster on 08.12.2016.
 */
@Controller
public class XMPPPost {
    private final static Logger logger = LoggerFactory.getLogger(XMPPPost.class);

    @Inject
    WebApp webApp;
    @Inject
    TagService tagService;

    @PostMapping("/post2")
    public String doPostMessage(@RequestParam(name = "body") String bodyParam,
                                @RequestParam(required = false) String img,
                                @RequestParam(required = false) String referer,
                                @RequestParam(required = false) MultipartFile attach) throws IOException {

        com.juick.User visitor = UserUtils.getCurrentUser();
        if (visitor.getUid() == 0 || visitor.isBanned()) {
            throw new HttpForbiddenException();
        }
        String body = bodyParam.replace("\r", StringUtils.EMPTY);

        String attachmentFName = HttpUtils.receiveMultiPartFile(attach, webApp.getTmpDir());

        if (StringUtils.isBlank(attachmentFName) && img != null && img.length() > 10) {
            try {
                URL imgUrl = new URL(img);
                attachmentFName = HttpUtils.downloadImage(imgUrl, webApp.getTmpDir());
            } catch (Exception e) {
                logger.error("DOWNLOAD ERROR", e);
                throw new HttpBadRequestException();
            }
        }
        Message msg = new Message();
        msg.setType(Message.Type.CHAT);
        msg.setFrom(Jid.of(String.valueOf(visitor.getUid()), "uid.juick.com", "perl"));
        msg.setTo(Jid.of("juick@juick.com/Juick"));
        msg.setBody(body);
        try {
            if (StringUtils.isNotEmpty(attachmentFName)) {
                String attachmentUrl = String.format("juick://%s", attachmentFName);
                msg.addExtension(new OobX(new URI(attachmentUrl), "!!!!Juick!!"));
            }
            webApp.getXmpp().sendMessage(msg);
        } catch (URISyntaxException e1) {
            logger.warn("attachment error", e1);
        }
        if (StringUtils.isBlank(referer) || referer.substring(0, 21).equals("http://juick.com/post")
                || referer.substring(0, 22).equals("https://juick.com/post")) {
            return "redirect:/?show=my";
        }
        return "redirect:" + referer;
    }
}