package ru.cathub.telegabot.service.impl;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.jobrunr.jobs.annotations.Recurring;
import org.jobrunr.scheduling.cron.Cron;
import org.springframework.stereotype.Service;
import ru.cathub.telegabot.model.BotUser;
import ru.cathub.telegabot.model.TextRole;
import ru.cathub.telegabot.repository.UserRepository;
import ru.cathub.telegabot.service.OpenRouterService;
import ru.cathub.telegabot.service.TelegramClientService;
import ru.cathub.telegabot.utils.BookFormatUtils;

import java.sql.Date;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.List;

import static ru.cathub.telegabot.utils.BookFormatUtils.escapeNonMarkdown;

@Service
@RequiredArgsConstructor
@Slf4j
public class BookReminderScheduler {
    private final UserRepository userRepository;
    private final TelegramClientService telegramClientService;
    private final OpenRouterService openRouterService;

    @Recurring(cron = "0 0 18 * * *", id = "book-reminder")
    public void checkReadingActivity() {
        Date weekAgo = new Date(
                Instant.now().minus(7, ChronoUnit.DAYS)
                        .toEpochMilli()
        );
        
        for (var user : userRepository.findUsersNeedingReminder(weekAgo)) {
           try {
               String prompt = "Придумай креативное и мотивирующее напоминание о том, что пользователь давно не читал книг";
               String congrat = openRouterService.getChatResponse(prompt, TextRole.DEFAULT);
               telegramClientService.sendMessageWithMarkdown(user, escapeNonMarkdown(congrat));
           } catch (Exception e) {
               log.error("Error sending reminder to user {}", user.getId(), e);
           }
        };
    }
}