package dev.dinauer;

import dev.dinauer.service.PodService;
import dev.dinauer.utils.ClientProvider;
import io.fabric8.kubernetes.api.model.Pod;
import io.quarkus.runtime.Startup;
import io.quarkus.security.Authenticated;
import io.smallrye.common.annotation.Blocking;
import jakarta.annotation.security.RolesAllowed;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import jakarta.ws.rs.*;
import jakarta.ws.rs.core.MediaType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

@Path("/pods")
@Startup
@ApplicationScoped
public class PodResource
{
    @Inject
    PodService podService;

    @Inject
    ProcessRunner processRunner;

    @Inject
    ClientProvider clientProvider;

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes
    @Blocking
    @Path("/{namespace}/{name}/env")
    public List<EnvVar> getEnv(@PathParam("namespace") String namespace, @PathParam("name") String name)
    {
        return getVars(podService.findByNameAndNamespace(name, namespace));
    }

    private List<EnvVar> getVars(Pod pod)
    {
        List<EnvVar> result = new ArrayList<>();
        List<String> lines = processRunner.runToLines(String.format("kubectl exec -it %s -n %s -- env", pod.getMetadata().getName(), pod.getMetadata().getNamespace()));
        for (String line : lines)
        {
            int indexOfFirstEquals = line.indexOf("=");
            if (indexOfFirstEquals != -1)
            {
                result.add(new EnvVar(line.substring(0, indexOfFirstEquals), line.substring(indexOfFirstEquals + 1)));
            }
        }
        return result;
    }

    @DELETE
    @Path("/{namespace}/{name}")
    public void delete(@PathParam("namespace") String namespace, @PathParam("name") String name)
    {
        podService.delete(name, namespace);
    }
}