package com.billpaymentservice.bbps.serviceImpl;

import org.springframework.stereotype.Service;

import com.billpaymentservice.bbps.dto.PaymentPollBackResponse;
import com.billpaymentservice.bbps.dto.ResponseModel;
import com.billpaymentservice.bbps.dto.request.PaymentStartUserRequest;
import com.billpaymentservice.bbps.dto.request.PollBackRequest;
import com.billpaymentservice.bbps.entites.PaymentStartRecord;
import com.billpaymentservice.bbps.repository.PaymentStartRecordRepository;
import com.billpaymentservice.bbps.service.PollBackService;
import com.billpaymentservice.bbps.util.Helper;

@Service
public class PollBackServiceImpl  implements PollBackService {

	private final PaymentStartRecordRepository paymentStartRecordRepository;
	private final Helper helper;
	
	PollBackServiceImpl(PaymentStartRecordRepository paymentStartRecordRepository,
			Helper helper) {
		this.paymentStartRecordRepository = paymentStartRecordRepository;
		this.helper = helper;
	}
	
	@Override
	public ResponseModel managePollBack(PollBackRequest request) {

	    String requestId = request.getReqId();
	    String apiName = "PollBackRequest";
	    String txnId = helper.generateTxnId(15);

	    // Validate MID
	    helper.validateMerchant(request.getMid());

	    // Fetch payment record
	    PaymentStartRecord paymentStartRecord = paymentStartRecordRepository
	            .findByOrderNo(request.getOrderId())
	            .orElseThrow(() -> new RuntimeException(
	                    "No payment record found for ReqID: " + requestId));

	    // Prepare response
	    PaymentPollBackResponse response = new PaymentPollBackResponse();
	    response.setOrderId(paymentStartRecord.getOrderNo());
	    response.setTxnId(paymentStartRecord.getTxnId());// Correct mapping
	    response.setTxnStatus(paymentStartRecord.getTxnStatus());  // Correct mapping

	    return new ResponseModel(
	            "Poll Back processed successfully",
	            "SUCCESS",
	            200,
	            response
	    );
	}

	

}