package com.juick.www.controllers;

import com.juick.Message;
import com.juick.User;
import com.juick.server.util.HttpBadRequestException;
import com.juick.server.util.HttpForbiddenException;
import com.juick.service.PMQueriesService;
import com.juick.service.TagService;
import com.juick.service.UserService;
import com.juick.util.MessageUtils;
import com.juick.util.UserUtils;
import com.juick.util.WebUtils;
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.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import rocks.xmpp.addr.Jid;

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

/**
 * Created by vitalyster on 09.12.2016.
 */
@Controller
public class PMController {
    private static final Logger logger = LoggerFactory.getLogger(PMController.class);

    @Inject
    PMQueriesService pmQueriesService;
    @Inject
    UserService userService;
    @Inject
    TagService tagService;
    @Inject
    WebApp webApp;

    @RequestMapping("/pm/inbox")
    public String doGetInbox(ModelMap context) {
        User visitor = UserUtils.getCurrentUser();

        String title = "PM: Inbox";
        List<Message> msgs = pmQueriesService.getLastPMInbox(visitor.getUid());

        msgs.forEach(m -> m.setText(MessageUtils.formatMessage(m.getText())));

        context.put("title", title);
        context.put("msgs", msgs);
        context.put("tags", tagService.getPopularTags());

        return "views/pm_inbox";
    }

    @RequestMapping(value = "/pm/sent", method = RequestMethod.GET)
    public String doGetSent(
            @RequestParam String uname,
            ModelMap context) {
        String title = "PM: Sent";
        User visitor = UserUtils.getCurrentUser();
        List<com.juick.Message> msgs = pmQueriesService.getLastPMSent(visitor.getUid());

        if (WebUtils.isNotUserName(uname)) {
            uname = StringUtils.EMPTY;
        }
        context.put("title", title);
        context.put("msgs", msgs);
        context.put("tags", tagService.getPopularTags());
        context.put("uname", uname);
        return "views/pm_sent";
    }

    @RequestMapping(value = "/pm/send", method = RequestMethod.POST)
    public String doPostPM(
            @RequestParam String uname,
            @RequestParam String body,
            ModelMap context) {
        User visitor = UserUtils.getCurrentUser();
        if (uname.startsWith("@")) {
            uname = uname.substring(1);
        }
        int uid = 0;
        if (WebUtils.isUserName(uname)) {
            uid = userService.getUIDbyName(uname);
        }

        if (uid == 0 || body == null || body.length() < 1 || body.length() > 10240) {
            throw new HttpBadRequestException();
        }

        if (userService.isInBLAny(uid, visitor.getUid())) {
            throw new HttpForbiddenException();
        }

        if (pmQueriesService.createPM(visitor.getUid(), uid, body)) {
            if (webApp.getXmpp() != null) {
                rocks.xmpp.core.stanza.model.Message msg = new rocks.xmpp.core.stanza.model.Message();
                msg.setFrom(Jid.of("juick@juick.com"));
                msg.setTo(Jid.of(String.format("%d@push.juick.com", uid)));
                com.juick.Message jmsg = new com.juick.Message();
                jmsg.setUser(visitor);
                jmsg.setText(body);
                msg.addExtension(jmsg);
                webApp.getXmpp().send(msg);

                msg.setTo(Jid.of(String.format("%d@ws.juick.com", uid)));
                webApp.getXmpp().send(msg);

                List<String> jids = userService.getJIDsbyUID(uid);
                for (String jid : jids) {
                    rocks.xmpp.core.stanza.model.Message mm = new rocks.xmpp.core.stanza.model.Message();
                    mm.setTo(Jid.of(jid));
                    mm.setType(rocks.xmpp.core.stanza.model.Message.Type.CHAT);
                    if (pmQueriesService.havePMinRoster(visitor.getUid(), jid)) {
                        mm.setFrom(Jid.of(jmsg.getUser().getName(), "juick.com", "Juick"));
                        mm.setBody(body);
                    } else {
                        mm.setFrom(Jid.of("juick", "juick.com", "Juick"));
                        mm.setBody("Private message from @" + jmsg.getUser().getName() + ":\n" + body);
                    }
                    webApp.getXmpp().send(mm);
                }
            } else {
                logger.warn("XMPP unavailable");
            }
            return "redirect:/pm/sent";
        }
        throw new HttpBadRequestException();
    }
}