using ArgsUniform;
using CodexNetDownloader;
using ContinuousTests;
using DistTestCore;
using DistTestCore.Codex;
using Logging;
using Newtonsoft.Json;

public class Program
{
    public static void Main(string[] args)
    {
        var nl = Environment.NewLine;
        Console.WriteLine("CodexNetDownloader" + nl);

        var uniformArgs = new ArgsUniform<CodexNetDownloader.Configuration>(PrintHelp, args);
        var config = uniformArgs.Parse(true);

        if (args.Any(a => a == "--external"))
        {
            config.RunnerLocation = TestRunnerLocation.ExternalToCluster;
        }

        config.CodexDeployment = ParseCodexDeploymentJson(config.CodexDeploymentJson);

        if (!Directory.Exists(config.OutputPath)) Directory.CreateDirectory(config.OutputPath);

        var k8sFactory = new K8sFactory();
        var (_, lifecycle) = k8sFactory.CreateFacilities(config.KubeConfigFile, config.OutputPath, "dataPath", config.CodexDeployment.Metadata.KubeNamespace, new DefaultTimeSet(), new NullLog(), config.RunnerLocation);

        if (config.Continuous)
        {
            var dl = new ContinuousLogDownloader(lifecycle, config);
            dl.Run();
        }
        else
        {
            foreach (var container in config.CodexDeployment.CodexContainers)
            {
                lifecycle.DownloadLog(container);
            }

            Console.WriteLine("Done!");
        }
    }

    private static CodexDeployment ParseCodexDeploymentJson(string filename)
    {
        var d = JsonConvert.DeserializeObject<CodexDeployment>(File.ReadAllText(filename))!;
        if (d == null) throw new Exception("Unable to parse " + filename);
        return d;
    }

    private static void PrintHelp()
    {
        var nl = Environment.NewLine;
        Console.WriteLine("CodexNetDownloader lets you download all container logs given a codex-deployment.json file." + nl);

        Console.WriteLine("CodexNetDownloader assumes you are running this tool from *inside* the Kubernetes cluster. " +
            "If you are not running this from a container inside the cluster, add the argument '--external'." + nl);
    }
}