using Connected.Net;
using Connected.Net.Server;
using Connected.ServiceModel;

namespace Connected.Services;

public abstract class DistributedService : Service
{
	public DistributedService(IContext context) : base(context)
	{
		if (context is null)
			throw new ArgumentNullException(null, nameof(context));

		EndpointServer = context.GetService<IEndpointServer>();

		if (EndpointServer is null)
			throw new NullReferenceException(nameof(IEndpointServer));

		Http = context.GetService<IHttpService>();

		if (Http is null)
			throw new NullReferenceException(nameof(IHttpService));
	}

	private IEndpointServer EndpointServer { get; }

	protected async Task<string> ParseUrl(string relativePath)
	{
		if (await IsServer())
			throw new InvalidOperationException(SR.ErrNoServer);

		return $"{EndpointServer.ServerUrl}/{relativePath.Trim('/')}";
	}

	protected IHttpService Http { get; }
	protected async Task<bool> IsServer()
	{
		return await EndpointServer.IsServer();
	}
}