using System.ServiceModel.Discovery;
using ArchestrAServices.Contract;

namespace ArchestrAServices.Proxy;

public class IDataProxySelector
{
	public static object SelectProxyForLatestEndpoint(string accessName, IAsbInterfaceSettings settings, out string errorMessage)
	{
		return SelectProxyForLatestEndpoint(accessName, DiscoveryScope.Global, settings, out errorMessage);
	}

	public static object SelectProxyForLatestEndpoint(string accessName, DiscoveryScope scopeRule, IAsbInterfaceSettings settings, out string errorMessage)
	{
		errorMessage = string.Empty;
		object obj = null;
		FindResponse findResponse = ASBDataV2Proxy.FindIDataEndpoint(accessName, scopeRule);
		if (findResponse != null && findResponse.Endpoints != null && findResponse.Endpoints.Count > 0)
		{
			obj = new ASBDataV2Proxy(accessName, settings);
		}
		else
		{
			errorMessage += "| IDataV2: No Endpoint found.";
		}
		if (obj == null)
		{
			obj = TryFindIDataV1(accessName, ref errorMessage);
		}
		if (obj == null)
		{
			errorMessage = " unable to find a useable endpoint for IData or IDataV2" + errorMessage;
		}
		return obj;
	}

	private static ASBDataProxy TryFindIDataV1(string accessName, ref string errorMessage)
	{
		ASBDataProxy result = null;
		FindResponse findResponse = ASBDataProxy.FindIDataEndpoint(accessName);
		if (findResponse != null && findResponse.Endpoints != null && findResponse.Endpoints.Count > 0)
		{
			result = new ASBDataProxy(accessName);
		}
		else
		{
			errorMessage += "| IData: No Endpoint found.";
		}
		return result;
	}
}