package com.example.tampopotest.service;

import com.example.tampopotest.model.Activity;
import com.example.tampopotest.repository.ActivityRepository;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.UUID;

@Service
public class ActivityService {
    private final ActivityRepository activityRepository;
    private final UserService userService;

    public ActivityService(ActivityRepository activityRepository, UserService userService) {
        this.activityRepository = activityRepository;
        this.userService = userService;
    }

    public List<Activity> getActivitiesByUserId(String userId) {
        return activityRepository.findByUserId(userId);
    }

    public Activity getLatestActivity(String userId) {
        return activityRepository.findLatestByUserId(userId).orElse(null);
    }

    public Activity getActivityById(String activityId) {
        return activityRepository.findByActivityId(activityId).orElse(null);
    }

    public Activity createActivity(String userId, String token, String text) {
        if (!userService.verifyToken(userId, token)) {
            return null;
        }
        String activityId = UUID.randomUUID().toString().substring(0, 8);
        Activity activity = new Activity(activityId, userId, text);
        return activityRepository.save(activity);
    }

    public boolean deleteActivity(String userId, String activityId, String token) {
        if (!userService.verifyToken(userId, token)) {
            return false;
        }
        Activity activity = activityRepository.findByActivityId(activityId).orElse(null);
        if (activity == null || !activity.getUserId().equals(userId)) {
            return false;
        }
        activityRepository.delete(activityId);
        return true;
    }
}