package net.gepafin.tendermanagement.service.impl;

import jakarta.servlet.http.HttpServletRequest;
import net.gepafin.tendermanagement.config.Translator;
import net.gepafin.tendermanagement.constants.GepafinConstant;
import net.gepafin.tendermanagement.dao.ApplicationEvaluationDao;

import net.gepafin.tendermanagement.entities.ApplicationEvaluationEntity;
import net.gepafin.tendermanagement.entities.AssignedApplicationsEntity;
import net.gepafin.tendermanagement.entities.UserEntity;
import net.gepafin.tendermanagement.enums.ApplicationEvaluationStatusTypeEnum;
import net.gepafin.tendermanagement.model.request.ApplicationEvaluationRequest;
import net.gepafin.tendermanagement.model.response.ApplicationEvaluationResponse;

import net.gepafin.tendermanagement.repositories.AssignedApplicationsRepository;
import net.gepafin.tendermanagement.service.ApplicationEvaluationService;
import net.gepafin.tendermanagement.util.Validator;
import net.gepafin.tendermanagement.web.rest.api.errors.CustomValidationException;
import net.gepafin.tendermanagement.web.rest.api.errors.ResourceNotFoundException;
import net.gepafin.tendermanagement.web.rest.api.errors.Status;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;


import java.util.Optional;

@Service
public class ApplicationEvaluationServiceImpl implements ApplicationEvaluationService {

    @Autowired
    private ApplicationEvaluationDao applicationEvaluationDao;
    @Autowired
    private Validator validator;
    @Autowired
    private AssignedApplicationsRepository assignedApplicationsRepository;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public ApplicationEvaluationResponse createOrUpdateApplicationEvaluation(HttpServletRequest request, ApplicationEvaluationRequest req,Long assignedApplicationsId) {
        AssignedApplicationsEntity assignedApplication = assignedApplicationsRepository.findByIdAndIsDeletedFalse(assignedApplicationsId).orElseThrow(()->
                new ResourceNotFoundException(Status.NOT_FOUND,Translator.toLocale(GepafinConstant.ASSIGNED_APPLICATION_NOT_FOUND_MSG)));
        UserEntity user=validator.validatePreInstructor(request,assignedApplication.getUserId());
        return applicationEvaluationDao.createOrUpdateApplicationEvaluation(user,req,assignedApplication.getApplication().getId());
    }

    @Override
    @Transactional(readOnly = true)
    public ApplicationEvaluationResponse getApplicationEvaluationByApplicationId(
            HttpServletRequest request, Long applicationId, Long assignedApplicationId) {

        Optional<AssignedApplicationsEntity> assignedApplicationsOptional =
                assignedApplicationsRepository.findByApplicationIdOrId(applicationId, assignedApplicationId);

        AssignedApplicationsEntity assignedApplications = assignedApplicationsOptional
                .orElseThrow(() -> new CustomValidationException(
                        Status.BAD_REQUEST,
                        Translator.toLocale(GepafinConstant.ASSIGNED_APPLICATION_NOT_FOUND_WITH_ID_MSG)
                ));
        UserEntity user = validator.validatePreInstructor(request, assignedApplications.getUserId());
        return applicationEvaluationDao.getApplicationEvaluationByApplicationId(
                user,
                assignedApplications.getApplication().getId(),
                assignedApplications.getId()
        );
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteApplicationEvaluation(HttpServletRequest request,Long id) {
        validator.getUserIdFromToken(request);
        applicationEvaluationDao.deleteById(id);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public ApplicationEvaluationResponse updateApplicationEvaluationStatus(HttpServletRequest request, Long applicationId, ApplicationEvaluationStatusTypeEnum status) {
        AssignedApplicationsEntity assignedApplications = assignedApplicationsRepository.findByApplicationIdAndIsDeletedFalse(applicationId).orElse(null);
        if(assignedApplications==null){
            throw new CustomValidationException(Status.BAD_REQUEST, Translator.toLocale(GepafinConstant.ASSIGNED_APPLICATION_NOT_FOUND_WITH_ID_MSG));
        }
       validator.validatePreInstructor(request, assignedApplications.getUserId());
        return applicationEvaluationDao.updateApplicationEvaluationStatus(applicationId, status);

    }

    @Override
    public ApplicationEvaluationEntity validateApplicationEvaluation(Long applicationEvaluationId) {
        return applicationEvaluationDao.validateApplicationEvaluation(applicationEvaluationId);
    }
}