package com.billpaymentservice.bbps.serviceImpl;

import java.util.Collections;
import java.util.HashMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.HttpServerErrorException;
import org.springframework.web.client.RestTemplate;

@Service
public class HttpClientApi {

	private static final Logger LOGGER = LoggerFactory.getLogger(HttpClientApi.class);

	public HashMap<String, Object> getRequestForPaymentStatus(String url) {
		HashMap<String, Object> responseMap = new HashMap<>();

		try {
			RestTemplate restTemplate = new RestTemplate();

			HttpHeaders headers = new HttpHeaders();
			headers.setContentType(MediaType.APPLICATION_JSON);
			headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));

			HttpEntity<Void> request = new HttpEntity<>(headers);

			LOGGER.info("BBPS: Payment Status Request URL: {}", url);

			ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.GET, request, String.class);

			String responseBody = response.getBody();
			LOGGER.info("Pesapal: Payment Status Response Body: {}", responseBody);

			// Set response values in map
			responseMap.put("data", responseBody);

		} catch (HttpClientErrorException | HttpServerErrorException httpEx) {
			LOGGER.error("BBPS: HTTP error during payment status check", httpEx);
			responseMap.put("respCode", String.valueOf(httpEx.getStatusCode()));
			responseMap.put("data", "Exception: " + httpEx.getResponseBodyAsString());

		} catch (Exception e) {
			LOGGER.error("BBPS: Unexpected error during payment status check", e);
			responseMap.put("respCode", String.valueOf(HttpStatus.EXPECTATION_FAILED));
			responseMap.put("error", "Exception During REST Call: " + e.getMessage());
		}

		return responseMap;
	}

}