#define TRACE
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Xml.Linq;

namespace ArchestrAServices.Common;

public class ConfigurationRepository
{
	private readonly Dictionary<string, string> configurationRepositoryInternal = new Dictionary<string, string>();

	public ConfigurationRepository()
	{
		configurationRepositoryInternal = new Dictionary<string, string>();
		Initialize();
	}

	public static string ExtractValueFromKey(XElement configuration, string key, string defaultValue)
	{
		string text = LookupKeyInElement(configuration, "ServiceParameters", key);
		if (string.IsNullOrEmpty(text))
		{
			text = LookupKeyInElement(configuration, "CustomData", key);
		}
		if (string.IsNullOrEmpty(text))
		{
			SvcTrace.DiagDiagnostics.TraceEvent(TraceEventType.Information, 2, $"ExtractValueFromKey cannot find key '{key}', using default '{defaultValue}'");
			text = defaultValue;
		}
		return text;
	}

	public void InsertExtractedParameter(XElement configuration, string Name, string DefaultValue = null)
	{
		if (string.IsNullOrEmpty(DefaultValue))
		{
			DefaultValue = GetParameter(Name);
		}
		string value = ExtractValueFromKey(configuration, Name, DefaultValue);
		configurationRepositoryInternal[Name] = value;
	}

	public void InsertParameter(string Name, string Value)
	{
		configurationRepositoryInternal[Name] = Value;
	}

	public string GetParameter(string Name)
	{
		string result = string.Empty;
		if (configurationRepositoryInternal.ContainsKey(Name))
		{
			result = configurationRepositoryInternal[Name];
		}
		return result;
	}

	public string GetParameter(string Name, string DefaultValue)
	{
		string text = GetParameter(Name);
		if (string.IsNullOrEmpty(text))
		{
			text = DefaultValue;
		}
		return text;
	}

	private static string LookupKeyInElement(XElement configuration, string OuterElement, string key)
	{
		string empty = string.Empty;
		try
		{
			string text = (from ServiceParameters in configuration.Element(OuterElement).Elements("Parameter")
				where key == ServiceParameters.Attribute("name").Value
				select ServiceParameters.Attribute("value").Value).First();
			if (text != null && text.Length > 0)
			{
				SvcTrace.DiagDiagnostics.TraceEvent(TraceEventType.Information, 3, $"ExtractValueFromKey extracting  value '{text}' from key '{key}'");
				empty = text;
			}
			else
			{
				empty = string.Empty;
			}
		}
		catch (Exception ex)
		{
			empty = string.Empty;
			SvcTrace.DiagException.TraceEvent(TraceEventType.Error, 0, $"Exception raised : {ex.Message}");
		}
		return empty;
	}

	private void Initialize()
	{
		InsertParameter("netTcpBinding.Security.Mode", "None");
		InsertParameter("netTcpBinding.TransferMode", "Buffered");
		InsertParameter("netTcpBinding.MaxReceivedMessageSize", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.MaxBufferSize", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.MaxBufferPoolSize", long.MaxValue.ToString());
		InsertParameter("netTcpBinding.ReaderQuotas.MaxArrayLength", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.ReaderQuotas.MaxBytesPerRead", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.ReaderQuotas.MaxDepth", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.ReaderQuotas.MaxNameTableCharCount", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.ReaderQuotas.MaxStringContentLength", int.MaxValue.ToString());
		InsertParameter("netTcpBinding.OpenTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("netTcpBinding.ReceiveTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("netTcpBinding.SendTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("netTcpBinding.CloseTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("netTcpBinding.ReliableSession.InactivityTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("HttpBinding.Security.Mode", "None");
		InsertParameter("HttpBinding.AllowCookies", "false");
		InsertParameter("HttpBinding.BypassProxyOnLocal", "true");
		InsertParameter("HttpBinding.HostNameComparisonMode", "StrongWildcard");
		InsertParameter("HttpBinding.MessageEncoding", "Text");
		InsertParameter("HttpBinding.MaxReceivedMessageSize", int.MaxValue.ToString());
		InsertParameter("HttpBinding.MaxBufferPoolSize", long.MaxValue.ToString());
		InsertParameter("HttpBinding.ReaderQuotas.MaxArrayLength", int.MaxValue.ToString());
		InsertParameter("HttpBinding.ReaderQuotas.MaxBytesPerRead", int.MaxValue.ToString());
		InsertParameter("HttpBinding.ReaderQuotas.MaxDepth", int.MaxValue.ToString());
		InsertParameter("HttpBinding.ReaderQuotas.MaxNameTableCharCount", int.MaxValue.ToString());
		InsertParameter("HttpBinding.ReaderQuotas.MaxStringContentLength", int.MaxValue.ToString());
		InsertParameter("HttpBinding.OpenTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("HttpBinding.ReceiveTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("HttpBinding.SendTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("HttpBinding.CloseTimeout", new TimeSpan(0, 1, 0).ToString());
		InsertParameter("HttpBinding.ReliableSession.InactivityTimeout", new TimeSpan(0, 1, 0).ToString());
	}
}