package dev.dinauer.monitoring;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import jakarta.inject.Inject;
import jakarta.transaction.Transactional;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.Path;

import com.fasterxml.jackson.core.JsonProcessingException;

import dev.dinauer.monitoring.entity.MonitoringConfig;
import dev.dinauer.monitoring.entity.MonitoringType;
import dev.dinauer.monitoring.entity.TargetConfig;
import dev.dinauer.monitoring.entity.VolumeConfig;
import dev.dinauer.monitoring.entity.creation.MonitoringConfigCreation;
import dev.dinauer.monitoring.entity.repo.MonitoringRepo;

@Path("/monitorings")
public class MonitoringResource
{
    @Inject
    MonitoringRepo monitoringRepo;

    @Inject
    MonitoringJobRunner jobRunner;

    @GET
    public List<MonitoringConfig> get() throws JsonProcessingException
    {
        return monitoringRepo.listAll();
    }

    @POST
    @Transactional
    public void create(MonitoringConfigCreation configCreation)
    {
        MonitoringConfig config = new MonitoringConfig();
        config.setId(UUID.randomUUID().toString());
        config.setConfigName(configCreation.configName());
        config.setInterval(configCreation.interval());
        config.setType(configCreation.type());

        TargetConfig targetConfig = new TargetConfig();
        targetConfig.setId(UUID.randomUUID().toString());
        targetConfig.setNamespace(configCreation.targetConfig().namespace());
        targetConfig.setType(configCreation.targetConfig().type());
        targetConfig.setLabels(Map.ofEntries(Map.entry(configCreation.targetConfig().labelKey(), configCreation.targetConfig().labelValue())));
        targetConfig.setConfig(config);
        config.setTargetConfig(targetConfig);

        switch (configCreation.type())
        {
            case MonitoringType.VOLUME:
            {
                VolumeConfig volumeConfig = new VolumeConfig();
                volumeConfig.setId(UUID.randomUUID().toString());
                volumeConfig.setMountPath(configCreation.volumeConfig().mountPath());
                volumeConfig.setContainerName(configCreation.volumeConfig().containerName());
                volumeConfig.setConfig(config);
                config.setVolumeConfig(volumeConfig);
                monitoringRepo.persist(config);
                try
                {
                    jobRunner.run(config);
                }
                catch (IOException | InterruptedException e)
                {
                    throw new RuntimeException(e);
                }
            }
        }
    }
}