package com.billpaymentservice.bbps.util;
import com.billpaymentservice.bbps.entites.BillerDetails;
import com.billpaymentservice.bbps.entites.BillerResponseParams;
import com.billpaymentservice.bbps.entites.InterchangeFee;
import com.billpaymentservice.bbps.entites.TransactionMaster;

public class EntityRelationshipUtil {

    private EntityRelationshipUtil() {
        // prevent instantiation
    }

    /**
     * Links all parent-child relationships for BillerDetails and nested entities.
     * Ensures bidirectional JPA relationships are correctly set before saving.
     */
    public static void linkBillerRelationships(BillerDetails entity) {

        if (entity == null) return;

        if (entity.getBillerPaymentModes() != null) {
            entity.getBillerPaymentModes().forEach(m -> m.setBiller(entity));
        }

        if (entity.getBillerPaymentChannels() != null) {
            entity.getBillerPaymentChannels().forEach(c -> c.setBiller(entity));
        }

        if (entity.getBillerCustomerParams() != null) {
            entity.getBillerCustomerParams().forEach(p -> p.setBiller(entity));
        }

        if (entity.getBillerAdditionalInfos() != null) {
            entity.getBillerAdditionalInfos().forEach(a -> a.setBiller(entity));
        }
        
        if(entity.getBillerAdditionalInfoPayments() != null) {
			entity.getBillerAdditionalInfoPayments().forEach(a -> a.setBiller(entity));
		}
       

        if (entity.getInterchangeFees() != null) {
            for (InterchangeFee fee : entity.getInterchangeFees()) {
                fee.setBiller(entity);

                if (fee.getInterchangeFeeDetails() != null) {
                    fee.getInterchangeFeeDetails().forEach(detail -> detail.setInterchangeFee(fee));
                }
            }
        }

        if (entity.getInterchangeFeeConves() != null) {
            entity.getInterchangeFeeConves().forEach(fc -> fc.setBiller(entity));
        }

        if (entity.getCustomerParamGroups() != null)
            entity.getCustomerParamGroups().setBiller(entity);

        if (entity.getBillerPlanResponseParams() != null)
            entity.getBillerPlanResponseParams().setBiller(entity);

        if (entity.getBillerResponseParams() != null) {
            BillerResponseParams responseParams = entity.getBillerResponseParams();
            responseParams.setBiller(entity);

            if (responseParams.getAmountOptions() != null) {
                responseParams.getAmountOptions()
                        .forEach(option -> option.setBillerResponseParams(responseParams));
            }
        }
    }
    
    public static void linkTransactionMasterRelationships(TransactionMaster entity) {

        if (entity == null) return;

        // ✅ DeviceBlockTag relationship link karna
        if (entity.getDeviceBlockTags() != null) {
            entity.getDeviceBlockTags().forEach(tag -> {
                if (tag != null) {
                    tag.setTransactionMaster(entity);
                }
            });
        }

        // ✅ CustomerParamTransaction relationship link karna
        if (entity.getCustomerParams() != null) {
            entity.getCustomerParams().forEach(param -> {
                if (param != null) {
                    param.setTransactionMaster(entity);
                }
            });
        }
    }
    
   

}