package ru.soune.nocopy.handler;

import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import ru.soune.nocopy.dto.BaseRequest;
import ru.soune.nocopy.dto.BaseResponse;
import ru.soune.nocopy.dto.MessageCode;
import ru.soune.nocopy.dto.monitoring.MonitoringStatusResponse;
import ru.soune.nocopy.dto.monitoring.SetMonitoringRequest;
import ru.soune.nocopy.entity.monitoring.MonitoringType;
import ru.soune.nocopy.entity.tarif.TariffType;
import ru.soune.nocopy.entity.user.AuthToken;
import ru.soune.nocopy.entity.user.User;
import ru.soune.nocopy.repository.TariffRepository;
import ru.soune.nocopy.service.monitoring.FileMonitoringService;
import ru.soune.nocopy.service.register.AuthService;
import ru.soune.nocopy.service.tariff.TariffService;

import java.util.Map;

@Slf4j
@Component
@RequiredArgsConstructor
public class MonitoringHandler implements RequestHandler {

    private final ObjectMapper objectMapper;

    private final FileMonitoringService monitoringService;

    private final AuthService authService;

    private final TariffService tariffService;

    private final TariffRepository tariffRepository;

    @Override
    public BaseResponse handle(BaseRequest request) throws Exception {
        SetMonitoringRequest setRequest = objectMapper.convertValue(
                request.getMessageBody(), SetMonitoringRequest.class);

        String authToken = setRequest.getAuthToken();
        AuthToken userAuthToken = authService.getAuthToken(authToken);

        if (authToken == null || userAuthToken == null) {
            return new BaseResponse(30007, MessageCode.AUTH_TOKEN_NOT_FOUND.getCode(),
                    MessageCode.AUTH_TOKEN_NOT_FOUND.getDescription(),
                    Map.of("token", authToken));
        }

        User user = userAuthToken.getUser();
        Long userId = user.getId();
        MonitoringType monitoringType = setRequest.getMonitoringType();

        monitoringService.setMonitoring(userId, setRequest.getFileId(), monitoringType);

        MonitoringStatusResponse status = monitoringService.getMonitoringStatus(setRequest.getFileId(), userId);

        return new BaseResponse(
                request.getMsgId(),
                MessageCode.SUCCESS.getCode(),
                "Monitoring settings updated",
                status);
    }
    //TODO check tokens for apply
    private boolean checkTokensForMonitoring(User user, MonitoringType monitoringType) {
        tariffService.getTariffByType(TariffType.valueOf(monitoringType.name()));
        return true;
    }
}