package ru.ulstu.admin.service;

import org.springframework.stereotype.Service;
import ru.ulstu.admin.model.AspirantForm;
import ru.ulstu.aspirant.model.Aspirant;
import ru.ulstu.aspirant.service.AspirantService;
import ru.ulstu.manager.model.Manager;
import ru.ulstu.manager.service.ManagerService;
import ru.ulstu.model.User;
import ru.ulstu.model.UserRole;
import ru.ulstu.model.UserRoleConstants;
import ru.ulstu.user.UserRoleRepository;
import ru.ulstu.user.UserService;

import java.util.List;

@Service
public class AdminAspirantService {
    private final AspirantService aspirantService;
    private final ManagerService managerService;
    private final UserService userService;
    private final UserRoleRepository userRoleRepository;

    public AdminAspirantService(AspirantService aspirantService,
                                ManagerService managerService,
                                UserService userService,
                                UserRoleRepository userRoleRepository) {
        this.aspirantService = aspirantService;
        this.managerService = managerService;
        this.userService = userService;
        this.userRoleRepository = userRoleRepository;
    }

    public List<Aspirant> getAspirants() {
        return aspirantService.getAspirants();
    }

    public Aspirant getAspirantById(Integer id) {
        return aspirantService.getAspirantById(id);
    }

    public void saveAspirant(AspirantForm aspirantForm) {
        Aspirant aspirant = aspirantForm.getId() == null
                ? new Aspirant()
                : aspirantService.getAspirantById(aspirantForm.getId());
        aspirant.setName(aspirantForm.getName());
        aspirant.setSurname(aspirantForm.getSurname());
        aspirant.setPatronymic(aspirantForm.getPatronymic());
        aspirant.setBase(aspirantForm.getBase());
        aspirant.setCourse(aspirantForm.getCourse());
        aspirant.setManager(managerService.getManagerById(aspirantForm.getManagerId()));
        aspirant.setBirthDate(aspirantForm.getBirthDate());
        aspirant.setSpeciality(aspirantForm.getSpeciality());
        aspirant.setTheme(aspirantForm.getTheme());
        User user;
        if (aspirantForm.getUserId() != null) {
            user = userService.getUserById(aspirantForm.getUserId());
            if (!user.getLogin().equals(aspirantForm.getEmail())) {
                user.setLogin(aspirantForm.getEmail());
                if (user.getRoles().stream().anyMatch(r -> !r.getName().equals(UserRoleConstants.ASPIRANT))) {
                    user.getRoles().add(userRoleRepository.save(new UserRole(UserRoleConstants.ASPIRANT)));
                }
                userService.createUser(user);
            }
        } else {
            user = userService.createAspirant(aspirantForm.getEmail());
        }
        aspirant.setUser(user);

        aspirantService.save(aspirant);
    }

    public void deleteAspirant(AspirantForm aspirantForm) {
        aspirantService.deleteAspirant(aspirantForm);
    }

    public List<Manager> getManagers() {
        return managerService.getManagers();
    }
}