package gr.cite.annotation.integrationevent.inbox.annotationentitiesremoval;

import gr.cite.annotation.audit.AuditableAction;
import gr.cite.annotation.common.JsonHandlingService;
import gr.cite.annotation.common.enums.IsActive;
import gr.cite.annotation.common.scope.fake.FakeRequestScope;
import gr.cite.annotation.common.scope.tenant.TenantScope;
import gr.cite.annotation.data.EntityUserEntity;
import gr.cite.annotation.data.TenantEntity;
import gr.cite.annotation.data.TenantEntityManager;
import gr.cite.annotation.integrationevent.inbox.EventProcessingStatus;
import gr.cite.annotation.integrationevent.inbox.InboxPrincipal;
import gr.cite.annotation.integrationevent.inbox.IntegrationEventProperties;
import gr.cite.annotation.model.Tenant;
import gr.cite.annotation.query.EntityUserQuery;
import gr.cite.annotation.query.TenantQuery;
import gr.cite.commons.web.oidc.principal.CurrentPrincipalResolver;
import gr.cite.commons.web.oidc.principal.extractor.ClaimExtractorProperties;
import gr.cite.tools.auditing.AuditService;
import gr.cite.tools.data.deleter.DeleterFactory;
import gr.cite.tools.data.query.QueryFactory;
import gr.cite.tools.fieldset.BaseFieldSet;
import gr.cite.tools.logging.LoggerService;
import gr.cite.tools.validation.ValidatorFactory;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.EntityTransaction;
import jakarta.persistence.OptimisticLockException;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import javax.management.InvalidApplicationException;
import java.util.*;

@Component
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
public class AnnotationEntitiesRemovalIntegrationEventHandlerImpl implements AnnotationEntitiesRemovalIntegrationEventHandler {

    private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(AnnotationEntitiesRemovalIntegrationEventHandlerImpl.class));

    private final JsonHandlingService jsonHandlingService;

    private final ValidatorFactory validatorFactory;


    private final QueryFactory queryFactory;
    private final CurrentPrincipalResolver currentPrincipalResolver;
    private final ClaimExtractorProperties claimExtractorProperties;
    private final AuditService auditService;
    private final TenantEntityManager tenantEntityManager;
    private final DeleterFactory deleterFactory;
    private final TenantScope tenantScope;


    public AnnotationEntitiesRemovalIntegrationEventHandlerImpl(JsonHandlingService jsonHandlingService, ValidatorFactory validatorFactory, QueryFactory queryFactory, CurrentPrincipalResolver currentPrincipalResolver, ClaimExtractorProperties claimExtractorProperties, AuditService auditService, TenantEntityManager tenantEntityManager, DeleterFactory deleterFactory, TenantScope tenantScope) {
        this.jsonHandlingService = jsonHandlingService;
        this.validatorFactory = validatorFactory;
        this.queryFactory = queryFactory;
        this.currentPrincipalResolver = currentPrincipalResolver;
        this.claimExtractorProperties = claimExtractorProperties;
        this.auditService = auditService;
        this.tenantEntityManager = tenantEntityManager;
        this.deleterFactory = deleterFactory;
        this.tenantScope = tenantScope;
    }

    @Override
    public EventProcessingStatus handle(IntegrationEventProperties properties, String message) {
        AnnotationEntitiesRemovalIntegrationEvent event = this.jsonHandlingService.fromJsonSafe(AnnotationEntitiesRemovalIntegrationEvent.class, message);
        if (event == null)
            return EventProcessingStatus.Error;

        logger.debug("Handling {}", AnnotationEntitiesRemovalIntegrationEvent.class.getSimpleName());

        this.validatorFactory.validator(AnnotationEntitiesRemovalIntegrationEvent.AnnotationEntitiesRemovalIntegrationEventValidator.class).validateForce(event);

        EventProcessingStatus status = EventProcessingStatus.Success;
        try {
            if (this.tenantScope.isMultitenant() && properties.getTenantId() != null) {
                TenantEntity tenant = queryFactory.query(TenantQuery.class).ids(properties.getTenantId()).firstAs(new BaseFieldSet().ensure(Tenant._id).ensure(Tenant._code));
                if (tenant == null) {
                    logger.error("missing tenant from event message");
                    return EventProcessingStatus.Error;
                }
                this.tenantScope.setTempTenant(tenantEntityManager.getEntityManager(), properties.getTenantId(), tenant.getCode());
            } else if (this.tenantScope.isMultitenant()) {
//                    logger.error("missing tenant from event message");
//                    return EventProcessingStatus.Error;
                this.tenantScope.setTempTenant(tenantEntityManager.getEntityManager(), null, this.tenantScope.getDefaultTenantCode());
            }


            currentPrincipalResolver.push(InboxPrincipal.build(properties, claimExtractorProperties));


            tenantEntityManager.disableTenantFilters();
            EntityUserQuery entityUserQuery = this.queryFactory.query(EntityUserQuery.class);
            List<EntityUserEntity> items = entityUserQuery
                    .entityIds(event.getEntityIds())
                    .isActive(IsActive.Active)
                    .collect();


            deleterFactory.deleter(gr.cite.EntityUser.model.deleter.EntityUserDeleter.class).delete(items);


            auditService.track(AuditableAction.User_Persist, Map.ofEntries(
                    new AbstractMap.SimpleEntry<String, Object>("model", event)
            ));


        } catch (Exception ex) {
            status = EventProcessingStatus.Error;
            logger.error("Problem getting list of queue outbox. Skipping: {}", ex.getMessage(), ex);
        } finally {
            currentPrincipalResolver.pop();
            tenantScope.removeTempTenant(this.tenantEntityManager.getEntityManager());
            try {
                this.tenantEntityManager.enableTenantFilters();
            } catch (InvalidApplicationException e) {
            }
        }
        return status;
    }

}