package net.gepafin.tendermanagement.service.impl;

import java.io.ByteArrayOutputStream;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import jakarta.servlet.http.HttpServletRequest;
import net.gepafin.tendermanagement.dao.CompanyDao;
import net.gepafin.tendermanagement.dao.DelegationDao;
import net.gepafin.tendermanagement.dao.VatCheckDao;
import net.gepafin.tendermanagement.entities.CompanyEntity;
import net.gepafin.tendermanagement.entities.UserEntity;
import net.gepafin.tendermanagement.entities.UserWithCompanyEntity;
import net.gepafin.tendermanagement.model.request.CompanyDelegationRequest;
import net.gepafin.tendermanagement.model.request.CompanyRequest;
import net.gepafin.tendermanagement.model.response.CompanyDelegationResponse;
import net.gepafin.tendermanagement.model.response.CompanyResponse;
import net.gepafin.tendermanagement.service.CompanyService;
import net.gepafin.tendermanagement.util.Validator;

@Service
public class CompanyServiceImpl implements CompanyService {
	
	@Autowired
	private Validator validator;
	
	@Autowired
	private CompanyDao companyDao;	
	
	@Autowired
	private VatCheckDao vatCheckDao;
	
	@Autowired
	private DelegationDao delegationDao;
	
	@Override
	@Transactional(rollbackFor = Exception.class)
	public CompanyResponse createCompany(HttpServletRequest request, CompanyRequest companyRequest) {
		UserEntity userEntity =validator.validateUser(request);
		return companyDao.createCompany(userEntity, companyRequest);
	}
	
	@Override
	@Transactional(rollbackFor = Exception.class)
	public CompanyResponse updateCompany(HttpServletRequest request, Long companyId, CompanyRequest companyRequest) {
		UserEntity userEntity =validator.validateUser(request);
		validator.validateUserWithCompany(request, companyId);
		return companyDao.updateCompany(userEntity, companyId, companyRequest);
	}
	
	@Override
	@Transactional(readOnly = true)
	public CompanyResponse getCompany(HttpServletRequest request, Long companyId) {
		UserEntity userEntity =validator.validateUser(request);
		validator.validateUserWithCompany(request, companyId);
		return companyDao.getCompany(userEntity, companyId);
	}
	
	@Override
	@Transactional(rollbackFor = Exception.class)
	public void deleteCompany(HttpServletRequest request, Long companyId) {
		UserEntity userEntity =validator.validateUser(request);
		validator.validateUserWithCompany(request, companyId);
		companyDao.deleteCompany(userEntity, companyId);
	}
	
	@Override
	@Transactional(readOnly = true)
	public List<CompanyResponse> getCompanyByUserId(HttpServletRequest request, Long userId) {
		validator.validateUserId(request, userId);
		return companyDao.getCompanyByUserId(userId);
	}
	
	@Override
	@Transactional(readOnly = true)
	public Map<String, Object> checkVatNumber(HttpServletRequest request, String vatNumber) {
		return vatCheckDao.checkVatNumber(vatNumber);
	}
	@Override
	public CompanyEntity validateCompany(Long companyId) {
		return companyDao.validateCompany(companyId);
	}
	
	@Override
	public UserWithCompanyEntity validateUserWithCompny(Long userId, Long companyId) {
		return companyDao.validateUserWithCompny(userId, companyId);
	}
	
	@Override
	@Transactional(readOnly = true)
	public ByteArrayOutputStream downloadCompanyDelegation(HttpServletRequest request, Long companyId, CompanyDelegationRequest companyDelegationRequest) {
		return delegationDao.downloadCompanyDelegation(request, companyId, companyDelegationRequest);
	}
	
	@Override
	@Transactional(rollbackFor = Exception.class)
	public CompanyDelegationResponse uploadCompanyDelegation(HttpServletRequest request, Long companyId, MultipartFile file) {
		UserEntity userEntity = validator.validateUser(request);
		validator.validateUserWithCompany(request, companyId);
		return delegationDao.uploadCompanyDelegation(userEntity, companyId, file);
	}
	
	@Override
	@Transactional(readOnly = true)
	public CompanyDelegationResponse getCompanyDelegation(HttpServletRequest request, Long companyId) {
		UserEntity userEntity =validator.validateUser(request);
		return delegationDao.getCompanyDelegation(userEntity, companyId);
	}
	@Override
	@Transactional(rollbackFor = Exception.class)
	public void deleteCompanyDelegation(HttpServletRequest request, Long companyId) {
		UserEntity userEntity =validator.validateUser(request);
		delegationDao.deleteCompanyDelegation(userEntity, companyId);
	}
	public  UserWithCompanyEntity getUserWithCompanyEntity(Long userId,Long companyId){
		return companyDao.getUserWithCompany(userId,companyId);
	}
	@Override
	@Transactional(rollbackFor = Exception.class)
	public void removeCompanyFromList(HttpServletRequest request, Long companyId) {
		UserEntity userEntity =validator.validateUser(request);
		companyDao.removeCompanyFromList(userEntity, companyId);
	}
}