using System.Runtime.InteropServices;
using System.Threading.Channels;
using Grpc.Net.Client;
using marlin.agents.shell;
using marlin.core.contracts;
using marlin.core.functional;
using marlin.core.models;
using marlin.core.models.meta;
using marlin.core.models.plan;
using marlin.core.util;
using ProtoBuf.Grpc.Client;

DotNetEnv.Env.NoClobber().TraversePath().Load();

var jobInstanceDir = Path.Combine(CommonPaths.AgentRoot, "instance");
Directory.CreateDirectory(jobInstanceDir);

var client = MarlinApiClient.FromEnvironment();

var capabilities = new CapabilitySet();
capabilities.Items.Add(KnownCapabilities.Architecture, RuntimeInformation.OSArchitecture.ToString());
capabilities.Items.Add(KnownCapabilities.CoreCount, Environment.ProcessorCount.ToString());
capabilities.Items.Add(KnownCapabilities.Memory, (GC.GetGCMemoryInfo().TotalAvailableMemoryBytes / (1024 * 1024)).ToString());
var status = new AgentStatus(capabilities);

AgentConfiguration config = await client.Handshake(status);
Console.WriteLine($"IAM: {config.Name}");
Console.WriteLine($"MCJ: {config.MaxConcurrentJobs}");

while (true)
{
    var job = await client.QueueNextJob();
    Console.WriteLine(job == null ? "No pending jobs." : $"Claimed job {job.Id}: {job.Recipe}");

    if (job != null)
    {
        GitBinaryClient gitClient = new();
        var uow = new JobUnitOfWork(job, client, gitClient);
        await uow.Run();
    }

    await Task.Delay(TimeSpan.FromSeconds(5));
}