package com.juick.api.controllers;

import com.juick.User;
import com.juick.api.TGBot;
import com.juick.service.TelegramService;
import com.juick.service.UserService;
import com.pengrad.telegrambot.BotUtils;
import com.pengrad.telegrambot.model.Message;
import com.pengrad.telegrambot.model.Update;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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 javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.List;

/**
 * Created by vt on 24/11/2016.
 */
@RestController
public class TelegramWebhook {
    private static Logger logger = LoggerFactory.getLogger(TelegramWebhook.class);
    @Inject
    UserService usersService;
    @Inject
    TelegramService telegramService;
    @Inject
    TGBot tgBot;


    @RequestMapping(value = "/tlgmbtwbhk", method = RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK)
    public void processUpdate(HttpServletRequest request) throws IOException {
        Update update = BotUtils.parseUpdate(IOUtils.toString(request.getInputStream(), StandardCharsets.UTF_8));
        Message message = update.message();
        if (update.message() == null) {
            message = update.editedMessage();
            if (message == null) {
                logger.error("error parsing telegram update: {}", update);
                return;
            }
        }
        logger.info("got telegram msg {}", message);
        User user_from = usersService.getUserByUID(telegramService.getUser(message.chat().id())).orElse(new User());
        logger.info("Found juick user {}", user_from.getUid());

        List<Long> chats = telegramService.getChats();
        String username = message.from().username();
        if (username == null) {
            username = message.from().firstName();
        }
        if (!chats.contains(message.chat().id())) {
            telegramService.addChat(message.chat().id());
            logger.info("added chat with {}", username);
            telegramService.createTelegramUser(message.from().id(), username);
            tgBot.telegramSignupNotify(message.from().id().longValue(), usersService.getSignUpHashByTelegramID(message.from().id().longValue(), username));
        } else {
            if (user_from.getUid() == 0) {
                tgBot.telegramSignupNotify(message.from().id().longValue(), usersService.getSignUpHashByTelegramID(message.from().id().longValue(), username));
            } else {
                String text = message.text();
                if (text != null) {
                    if (text.equalsIgnoreCase("/login")) {
                        String msg = String.format("Hi, %s!\nTap to log in", user_from.getName());
                        String msgUrl = "http://juick.com/login?" + usersService.getHashByUID(user_from.getUid());
                        tgBot.telegramNotify(message.from().id().longValue(), msg, msgUrl);
                    } /* else {
                            ProtocolReply reply = protocol.getReply(user_from, text);
                            telegramNotify(message.from().id().longValue(), reply.getResult(), null);
                        }*/
                }
            }
        }
    }
}