using Microsoft.Extensions.Options;
using RPG.Services.Core.Network;
using RPG.Services.Core.Network.Command;
using RPG.Services.Core.Options;

namespace RPG.Services.Core;
public class ServiceManager
{
    private readonly IOptions<ServiceNodeOptions> _nodeOptions;
    private readonly IOptions<RPGServiceOptions> _serviceOptions;
    private readonly ServiceCommandHandler _handler;
    private readonly ServiceBox _serviceBox;

    private ServiceEndPoint? _serviceEndPoint;

    public ServiceManager(IOptions<ServiceNodeOptions> options, IOptions<RPGServiceOptions> serviceOptions, ServiceCommandHandler commandHandler, ServiceBox serviceBox)
    {
        _nodeOptions = options;
        _serviceOptions = serviceOptions;
        _handler = commandHandler;
        _serviceBox = serviceBox;
    }

    public void Start()
    {
        ServiceNodeOptions nodeOptions = _nodeOptions.Value;
        RPGServiceOptions serviceOptions = _serviceOptions.Value;

        _serviceBox.Construct();

        _serviceEndPoint = new(nodeOptions.GetEntry(serviceOptions.ServiceType));
        _serviceEndPoint.OnCommand += _handler.HandleAsync;
        _serviceEndPoint.Start();
    }

    public async Task ShutdownAsync()
    {
        if (_serviceEndPoint != null)
        {
            await _serviceEndPoint.StopAsync();
            _serviceEndPoint.OnCommand -= _handler.HandleAsync;
        }
    }
}