package com.healthcare.ohctech.service.impl;

import com.healthcare.ohctech.dto.DesignationDto;
import com.healthcare.ohctech.entity.Designation;
import com.healthcare.ohctech.repository.DesignationRepo;
import com.healthcare.ohctech.service.DesignationService;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;

import java.util.Optional;

@Service
public class DesignationServiceImpl implements DesignationService {

    private final DesignationRepo designationRepo;

    public DesignationServiceImpl(DesignationRepo designationRepo) {
        this.designationRepo = designationRepo;
    }

    @Override
    public Designation getDesignationById(Long designationId) {
        return designationRepo.findById(designationId)
                .orElseThrow(() -> new RuntimeException("Designation not found for ID :" + designationId));
    }

    @Override
    public Page<Designation> getAllDesignations(Pageable pageable) {
            return designationRepo.findAll(pageable);
    }

    @Override
    public void addDesignation(DesignationDto designationDto) {
            Designation designation = new Designation();
            designation.setDesignationName(designationDto.designationName());
            designation.setDesignationCode(designationDto.designationCode());
            designation.setDesignationDesc(designationDto.designationDesc());
            designation.setDesignationCollar(designationDto.designationCollar());

            designationRepo.save(designation);
    }

    @Override
    public void updateDesignation(DesignationDto designationDto) {
            Long designationId = designationDto.id();
            Optional<Designation> optionalDesignation = designationRepo.findById(designationId);
            if (optionalDesignation.isPresent()) {
                Designation designation = optionalDesignation.get();
                designation.setDesignationName(designationDto.designationName());
                designation.setDesignationCode(designationDto.designationCode());
                designation.setDesignationDesc(designationDto.designationDesc());
                designation.setDesignationCollar(designationDto.designationCollar());

                designationRepo.save(designation);
            } else {
                throw new RuntimeException("Designation not found for ID: " + designationId);
            }
    }

    @Override
    public void deleteDesignation(Long designationId) {
            Optional<Designation> optionalDesignation = designationRepo.findById(designationId);
            if (optionalDesignation.isPresent()) {
                Designation designation = optionalDesignation.get();
                designationRepo.delete(designation);
            } else {
                throw new RuntimeException("Designation not found for ID: " + designationId);
            }
    }
}