package files;

import com.pengrad.telegrambot.TelegramBot;
import com.pengrad.telegrambot.UpdatesListener;
import com.pengrad.telegrambot.model.CallbackQuery;
import com.pengrad.telegrambot.model.Update;
import com.pengrad.telegrambot.model.User;
import com.pengrad.telegrambot.model.request.InlineKeyboardButton;
import com.pengrad.telegrambot.model.request.InlineKeyboardMarkup;
import com.pengrad.telegrambot.model.request.Keyboard;
import com.pengrad.telegrambot.model.request.ReplyKeyboardMarkup;
import com.pengrad.telegrambot.request.DeleteMessage;
import com.pengrad.telegrambot.request.SendMessage;
import com.pengrad.telegrambot.request.SendPhoto;
import com.pengrad.telegrambot.response.BaseResponse;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class Bot {
    public static void main(String[] args) throws IOException {
        // Loading properties
        Properties properties = new Properties();
        properties.load(new FileInputStream("app.properties"));

        // Creating telegram bot
        TelegramBot telegramBot = new TelegramBot(properties.getProperty("telegram_token"));

        telegramBot.setUpdatesListener(updates -> {
            updates.forEach(update -> {
                byte indexOfRecentlyAddedAnime = Anime.getIndexOfRecentlyAddedAnime();

                if (update.callbackQuery() != null && update.message() != null) {
                    CallbackQuery callbackQuery = update.callbackQuery();
                    String data = callbackQuery.data();
                    User user = callbackQuery.from();
                    int messageId = callbackQuery.message().messageId();
                    long chatId = callbackQuery.message().chat().id();

                    System.out.println(callbackQuery.toString());

                    if (data.equals("previous")) {
                        Anime.decreaseIndexOfRecentlyAddedAnime();
                        if (indexOfRecentlyAddedAnime == -1) Anime.setIndexOfRecentlyAddedAnime((byte) 19);
                        Bot.showRecentlyAddedAnimeCallBackQuery(telegramBot, callbackQuery, Anime.getIndexOfRecentlyAddedAnime());
                    }
                    if (data.equals("next")) {
                        Anime.increaseIndexOfRecentlyAddedAnime();
                        if (indexOfRecentlyAddedAnime == 20) Anime.setIndexOfRecentlyAddedAnime((byte) 0);
                        Bot.showRecentlyAddedAnimeCallBackQuery(telegramBot, callbackQuery, Anime.getIndexOfRecentlyAddedAnime());
                    }

                    DeleteMessage deleteMessage = new DeleteMessage(chatId, messageId);
                    BaseResponse response = telegramBot.execute(deleteMessage);
                }
                DataBase.saveUser(update);

                indexOfRecentlyAddedAnime = 0;
                Anime.setIndexOfRecentlyAddedAnime((byte) 0);
                Bot.showRecentlyAddedAnime(telegramBot, update, (byte) indexOfRecentlyAddedAnime);
            });
            return UpdatesListener.CONFIRMED_UPDATES_ALL;
        });
    }

    public static Keyboard getMainKeyboard() {
        return new ReplyKeyboardMarkup(
                new String[]{"Поиск аниме"},
                new String[]{"Недавно добавленные аниме"},
                new String[]{"Случайное аниме"})
                .oneTimeKeyboard(true)
                .resizeKeyboard(true)
                .selective(true);
    }

    public static Keyboard getCarouselKeyboard() {
        return new InlineKeyboardMarkup(
                new InlineKeyboardButton("<-").callbackData("previous"),
                new InlineKeyboardButton("->").callbackData("next"));
    }

    public static void showRecentlyAddedAnime(TelegramBot telegramBot, Update update, byte index) {
        Anime[] anime = new Anime[20];
        try {
            anime = Parser.getAnimeAtMainMenu("https://animego.org/anime?sort=a.createdAt&direction=desc");
        } catch (IOException e) {
            e.printStackTrace();
        }
        telegramBot.execute(new SendPhoto(update.message().chat().id(), anime[index].getImage()).caption(anime[index].showInfo()).replyMarkup(Bot.getCarouselKeyboard()));
    }

    public static void showRecentlyAddedAnimeCallBackQuery(TelegramBot telegramBot, CallbackQuery callbackQuery, byte index) {
        Anime[] anime = new Anime[20];
        try {
            anime = Parser.getAnimeAtMainMenu("https://animego.org/anime?sort=a.createdAt&direction=desc");
        } catch (IOException e) {
            e.printStackTrace();
        }
        telegramBot.execute(new SendPhoto(callbackQuery.message().chat().id(), anime[index].getImage()).caption(anime[index].showInfo()).replyMarkup(Bot.getCarouselKeyboard()));
    }
}