package com.healthcare.ohctech.service.impl;

import com.healthcare.ohctech.converter.RoleToRoleDto;
import com.healthcare.ohctech.dto.RoleDto;
import com.healthcare.ohctech.dto.UserDto;
import com.healthcare.ohctech.entity.OhcType;
import com.healthcare.ohctech.entity.User;
import com.healthcare.ohctech.repository.UserRepo;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

@Service
public class OurUserDetailsService implements UserDetailsService {


    private final UserRepo userRepo;
    private final RoleToRoleDto roleToRoleDto;


    public OurUserDetailsService(UserRepo userRepo, RoleToRoleDto roleToRoleDto) {
        this.userRepo = userRepo;
        this.roleToRoleDto = roleToRoleDto;
    }

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        return userRepo.findByusername(username)
                .orElseThrow();
    }

    public Set<RoleDto> getRoleByUserId(Integer userId) {
        Optional<User> userOptional = userRepo.findById((long) userId);
        if (userOptional.isPresent()) {
            User user = userOptional.get();
            return user.getRoles().stream().map(role -> roleToRoleDto.convert(role)).collect(Collectors.toSet());
        }
        return null;
    }

    public Set<OhcType> getOhcByUserId(Integer userId) {
        Optional<User> optionalUser = userRepo.findById((long) userId);
        if (optionalUser.isPresent()) {
            User user = optionalUser.get();
            return user.getOhcTypes();
        }
        return null;
    }

    public List<UserDto> findAll() {

        return userRepo.findAll()
                .stream()
                .map(user -> new UserDto(user.getUsername()))
                .collect(Collectors.toList());

    }
}