@Service
public class ActuatorTraceService {

    private JsonParser jsonParser = new JsonParser();
    private List<String> listWithInformationFromTrace = new ArrayList<>();
    private JSONArray jsonArrayFromString;
    private JSONArray listWithoutRequestAndTracePath;

    public void takeInformationFromActuatorTrace() {
        jsonArrayFromString = new JSONArray("[{}]");
        String urlAddressForTrace = "http://localhost:8080/trace";
        jsonArrayFromString = new JSONArray(jsonParser.takeJsonAsAStringFromUrl(urlAddressForTrace));
    }

    public String createPathForCheck(int i) {
        String pathForCheck = jsonArrayFromString
                .getJSONObject(i)
                .getJSONObject("info")
                .get("path")
                .toString();
        return pathForCheck;
    }

    public void createListWithoutRequestAndTracePath() {
        listWithInformationFromTrace.clear();
        takeInformationFromActuatorTrace();
        listWithoutRequestAndTracePath = new JSONArray();

        for (int i = 0; i < jsonArrayFromString.length(); i++) {
            if (!createPathForCheck(i).equals("/request") &&
                    !createPathForCheck(i).equals("/trace")) {
                listWithoutRequestAndTracePath.put(jsonArrayFromString.get(i));
            }
        }
    }

    public List<String> createListWithInformationsFromTrace(){
        createListWithoutRequestAndTracePath();

        for (int i=0; i<listWithoutRequestAndTracePath.length(); i++){
            String timestampAndRequestInformation = takeTimestampFromTrace(i) + "n" + takeRequestInformationFromTrace(i) + "n";
            listWithInformationFromTrace.add(timestampAndRequestInformation);
        }
        return listWithInformationFromTrace;
    }

    public String takeRequestInformationFromTrace(int i) {
        return listWithoutRequestAndTracePath
                .getJSONObject(i)
                .getJSONObject("info")
                .getJSONObject("headers")
                .get("request")
                .toString()
                + "n";
    }

    public String takeTimestampFromTrace(int i) {
        return jsonArrayFromString.getJSONObject(i).get("timestamp").toString() + "n";
    }

    public String printLastTenRequestInformationFromTrace() {
        StringBuilder stringToPrint = new StringBuilder();
        createListWithInformationsFromTrace();

        if (listWithInformationFromTrace.size() > 10) {
            for (int i = 0; i < StaticValues.NUMBER_POSITION_TO_PRINT; i++) {
                stringToPrint.append(listWithInformationFromTrace.get(i));
            }
        } else {
            for (int i = 0; i < listWithInformationFromTrace.size(); i++) {
                stringToPrint.append(listWithInformationFromTrace.get(i));
            }
        }

        return stringToPrint.toString();
    }
}