package com.yablochkov.ocppstub;

import eu.chargetime.ocpp.feature.profile.ServerCoreProfile;
import eu.chargetime.ocpp.model.core.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.util.UUID;

@Slf4j
@Service
public class ConfigService {
    private final static String DEFAULT_KEY = "0001020304050607FFFFFFFFFFFFFFFFFFFFFFFF";
    @Lazy
    @Autowired private OcppStub server;
    @Lazy
    @Autowired private ServerCoreProfile coreProfile;

    public void sengConfig(UUID sessionIndex) {
        log.info("Sending configuration");
        ChangeConfigurationRequest configurationRequest = coreProfile
                .createChangeConfigurationRequest("AuthorizationKey", DEFAULT_KEY);

        try {
            server.send(sessionIndex, configurationRequest)
                    .thenApply(confirmation -> {
                        log.debug("Get confirmation");
                        if (confirmation instanceof ChangeConfigurationConfirmation) {
                            log.debug("Confirmation type is ChangeConfigurationConfirmation");
                            ConfigurationStatus status = ((ChangeConfigurationConfirmation) confirmation).getStatus();
                            if (status == ConfigurationStatus.Accepted) {
                                log.debug("Confirmation status is accepted");
                                return Void.TYPE;
                            }
                        }
                        log.error("Charge point don't confirm password change");
                        throw new RuntimeException("CP don't confirm pass change");
                    })
                    .thenRunAsync(() -> {
                        log.info("Closing session {}", sessionIndex);
                        server.closeSession(sessionIndex);
                    });
        } catch (Exception e) {
            log.error("Exception on ChangeConfiguration", e);
        }
    }
}