package net.gepafin.tendermanagement.dao;

import jakarta.servlet.http.HttpServletRequest;
import liquibase.util.Validate;
import lombok.extern.log4j.Log4j2;
import net.gepafin.tendermanagement.config.Translator;
import net.gepafin.tendermanagement.constants.GepafinConstant;
import net.gepafin.tendermanagement.entities.*;
import net.gepafin.tendermanagement.enums.EmailServiceTypeEnum;
import net.gepafin.tendermanagement.enums.StatusTypeEnum;
import net.gepafin.tendermanagement.model.response.EmailLogResponse;
import net.gepafin.tendermanagement.model.response.PecEmailLogResponse;
import net.gepafin.tendermanagement.model.response.PecMailResponse;
import net.gepafin.tendermanagement.repositories.EmailLogRepository;
import net.gepafin.tendermanagement.repositories.UserActionsRepository;
import net.gepafin.tendermanagement.service.ApplicationService;
import net.gepafin.tendermanagement.service.CallService;
import net.gepafin.tendermanagement.util.Utils;
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.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

@Component
@Log4j2
public class PecMailDao {

    @Autowired
    private Validator validator;

    @Autowired
    private UserActionsRepository userActionsRepository;

    @Autowired
    private EmailLogRepository emailLogRepository;

    @Autowired
    private CallService callService;

    @Autowired
    private EmailNotificationDao emailNotificationDao;

    @Autowired
    private ApplicationService applicationService;


    public  List<PecMailResponse> sendPecMail(HttpServletRequest request, List<Long> userActionIds) {

        List<PecMailResponse> pecMailResponses=new ArrayList<>();
        for (Long userActionId: userActionIds) {
            List<EmailLogEntity> emailLogs = getEmailLogEntities(request, userActionId);
            for (EmailLogEntity log : emailLogs) {
                List<String> recipients = Utils.commaSeparatedStringToList(log.getRecipientEmails());
                CallEntity call = callService.validateCall(log.getCallId());
                emailNotificationDao.sendPendingMail(
                        call.getHub().getId(),
                        log.getEmailSubject(),
                        log.getEmailBody(),
                        recipients,
                        log
                );
                ApplicationEntity applicationEntity=applicationService.validateApplication(log.getApplicationId());
                String callName=applicationEntity.getCall().getName();
                PecMailResponse pecMailResponse=createPecMailResponse(log.getUserAction().getId(),log,callName);
                pecMailResponses.add(pecMailResponse);
            }
        }
        return pecMailResponses;
    }

    private List<EmailLogEntity> getEmailLogEntities(HttpServletRequest request, Long userActionId) {
        UserActionEntity userActionEntity = userActionsRepository.findUserActionByIdAndIsDeletedFalse(userActionId);
        if (userActionEntity == null) {
            throw new ResourceNotFoundException(Status.NOT_FOUND, Translator.toLocale(GepafinConstant.USER_ACTION_ID_NOT_FOUND));
        }
        validator.validateHubId(request, userActionEntity.getHubId());

        List<EmailLogEntity> emailLogs = emailLogRepository.findByUserActionIdAndSendStatusAndIsDeletedFalse(userActionId,StatusTypeEnum.PENDING.getValue());

        if (emailLogs.isEmpty()) {
            log.info("No emails found for given userActionId: {}", userActionId);
            throw new CustomValidationException(Status.VALIDATION_ERROR, Translator.toLocale(GepafinConstant.NO_EMAIL_LOG_FOUND));
        }
        return emailLogs;
    }

    public List<PecEmailLogResponse> getEmailLogByUserActionId(HttpServletRequest request,Long userActionId){
        List<EmailLogEntity> emailLogs = getEmailLogEntities(request, userActionId);
        ApplicationEntity applicationEntity=applicationService.validateApplication(emailLogs.get(0).getApplicationId());
        String callName=applicationEntity.getCall().getName();
        List<PecEmailLogResponse> pecEmailLogResponses=new ArrayList<>();
        for(EmailLogEntity emailLogEntity:emailLogs) {
            PecEmailLogResponse pecEmailLogResponse = createPecEmailLogResponse(userActionId, emailLogEntity, callName);
            pecEmailLogResponses.add(pecEmailLogResponse);
        }
        return pecEmailLogResponses;
    }

    private PecEmailLogResponse createPecEmailLogResponse(Long userActionId, EmailLogEntity emailLogEntity, String callName) {
        PecEmailLogResponse pecEmailLogResponse = new PecEmailLogResponse();
        pecEmailLogResponse.setId(emailLogEntity.getId());
        pecEmailLogResponse.setUserActionId(userActionId);
        pecEmailLogResponse.setUserId(emailLogEntity.getUserId());
        pecEmailLogResponse.setApplicationId(emailLogEntity.getApplicationId());
        pecEmailLogResponse.setCallName(callName);
        EmailLogResponse emailLogResponse=new EmailLogResponse();
        emailLogResponse.setRecipientId(emailLogEntity.getRecipientId());
        emailLogResponse.setRecipientType(emailLogEntity.getRecipientType());
        pecEmailLogResponse.setEmailLogs(emailLogResponse);
        pecEmailLogResponse.setType(emailLogEntity.getEmailType());
        pecEmailLogResponse.setSubject(emailLogEntity.getEmailSubject());
        pecEmailLogResponse.setHtmlContent(emailLogEntity.getEmailBody());
        pecEmailLogResponse.setCallId(emailLogEntity.getCallId());
        return pecEmailLogResponse;
    }
    private PecMailResponse createPecMailResponse(Long userActionId, EmailLogEntity emailLogEntity, String callName) {
        PecMailResponse pecMailResponse = new PecMailResponse();
        pecMailResponse.setId(emailLogEntity.getId());
        pecMailResponse.setUserActionId(userActionId);
        pecMailResponse.setUserId(emailLogEntity.getUserId());
        pecMailResponse.setApplicationId(emailLogEntity.getApplicationId());
        pecMailResponse.setCallName(callName);
        pecMailResponse.setType(emailLogEntity.getEmailType());
        pecMailResponse.setSubject(emailLogEntity.getEmailSubject());
        pecMailResponse.setHtmlContent(emailLogEntity.getEmailBody());
        pecMailResponse.setCallId(emailLogEntity.getCallId());
        return pecMailResponse;
    }
    public List<PecMailResponse> getAllEmailLogs(HttpServletRequest request) {
        List<EmailLogEntity> emailLogs=emailLogRepository.findPendingPECEmailLogs();
        List<PecMailResponse> pecMailResponses=new ArrayList<>();
        for (EmailLogEntity emailLogEntity: emailLogs){
            ApplicationEntity applicationEntity=applicationService.validateApplication(emailLogEntity.getApplicationId());
            String callName=applicationEntity.getCall().getName();
            PecMailResponse pecMailResponse=createPecMailResponse(emailLogEntity.getUserAction().getId(),emailLogEntity,callName);
            pecMailResponses.add(pecMailResponse);
        }
    return pecMailResponses;
    }
}