package pl.wwsis.microblog.service.impl;

import com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2DTM2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import pl.wwsis.microblog.dao.impl.FollowerDaoImpl;
import pl.wwsis.microblog.dao.impl.PostDaoImpl;
import pl.wwsis.microblog.dao.impl.UserDaoImpl;
import pl.wwsis.microblog.model.Follower;
import pl.wwsis.microblog.model.Post;
import pl.wwsis.microblog.model.User;
import pl.wwsis.microblog.service.MicroblogService;


import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

@Service
public class MicroblogServiceImpl implements MicroblogService{

    @Autowired
    PostDaoImpl posts;
    @Autowired
    FollowerDaoImpl followers;
    @Autowired
    UserDaoImpl users;

    @Override
    public List<Post> getUserPosts(int userId) {
        return posts.GetUserPosts(userId);
    }

    @Override
    public List<Post> getFolloweesPosts(User user) {
        List<Follower> followeesList = followers.getFolloweeList(user);

        List<Post> followeesPosts = new ArrayList<>();
        for (Follower f: followeesList) {

            List<Post> tmp = posts.GetUserPosts(f.getFollowerId());
            followeesPosts.addAll(tmp);
        }
        return followeesPosts;
    }

    @Override
    public User GetUserData(String email){
        return users.GetUserData(email);
    }

    @Override
    public int AddUser(User user){
        return users.AddUser(user);
    }

    @Override
    public List<Post> GetPostsToShow(int userId, List<Integer> followedUsersId) {
        return posts.GetPostsToShow(userId, followedUsersId);
    }

    @Override
    public List<Post> GetAllPosts() {
        return posts.GetAllPosts();
    }

    @Override
    public int addFollowee(User user1, User user2) {
        return followers.addFollowee(user1, user2);
    }

    @Override
    public int deleteFollowee(User user1, User user2) {
        return followers.deleteFollowee(user1, user2);

    }

    @Override
    public boolean checkFollowee(User user1, User user2) {
        return followers.checkFollowee(user1, user2);
    }

    @Override
    public List<Follower> getFolloweeList(User user) {
        return followers.getFolloweeList(user);
    }
}