package com.billpaymentservice.bbps.controller;

import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.billpaymentservice.bbps.dto.ResponseModel;
import com.billpaymentservice.bbps.dto.request.BillPaymentRequest;
import com.billpaymentservice.bbps.dto.request.TransactionStatusRequest;
import com.billpaymentservice.bbps.dto.request.TrasactionStatusByClientReqIdRequest;
import com.billpaymentservice.bbps.service.PaymentService;
import com.billpaymentservice.bbps.service.PaymentStartService;
import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
import com.billpaymentservice.bbps.util.BBPSConstant;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;

@RestController
@RequestMapping("/agent/payment")
public class PaymentController {

	/**
	 * Fetches bill details from external BBPS service
	 */

	private final PaymentService paymentService;
	private final PaymentStartService paymentStartService;

	public PaymentController(PaymentService paymentService, PaymentStartService paymentStartService) {
		this.paymentService = paymentService;
		this.paymentStartService = paymentStartService;
	}

	@PostMapping(value = "/intiatePayment")
	@Operation(summary = "Initiate payment request", description = "This API initiates the payment process for the provided bill payment request.")
	@ApiResponses(value = {
			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Payment initiated successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
	@ApiDocCommonResponses
	public ResponseEntity<ResponseModel> requestBillFetch(
			@Validated @RequestBody BillPaymentRequest billPaymentRequest) {

		ResponseModel response = paymentService.initiatePayment(billPaymentRequest);
		return ResponseEntity.ok(response);
	}

	@PostMapping(value = "/checkTransactionStatus")
	@Operation(summary = "Check transaction status", description = "This API checks the current status of a bill payment transaction using transactionId or clientReqId.")
	@ApiResponses(value = {
			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Transaction status fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
	@ApiDocCommonResponses
	public ResponseEntity<ResponseModel> checkTransactionStatus(
			@Validated @RequestBody TransactionStatusRequest transactionStatusRequest) {

		ResponseModel response = paymentService.checkTrasactionStatus(transactionStatusRequest);
		return ResponseEntity.ok(response);
	}

	@PostMapping(value = "/checkTransactionStatusByClientReqId")
	@Operation(summary = "Check transaction status by client request ID", description = "This API checks the payment transaction status using the client-generated request ID (clientReqId).")
	@ApiResponses(value = {
			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Transaction status fetched successfully using clientReqId", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
	@ApiDocCommonResponses
	public ResponseEntity<ResponseModel> checkTransactionStatusByClientReqId(
			@Validated @RequestBody TrasactionStatusByClientReqIdRequest transactionStatusRequest) {

		ResponseModel response = paymentService.checkTrasactionStatusByClientReqId(transactionStatusRequest);
		return ResponseEntity.ok(response);
	}

}