using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Utils;
using System;
using System.Collections.Generic;
using System.Text;
using static Saxonite.Net.Standard.Base.Bus.SaxUserConfig;
using System.Xml.Linq;

namespace Saxonite.Net.Standard.Base.Data
{
	//==========================================================================
	public class SaxConfigData
	{
		//-------------------------------------------------------------------
		// Definitions.
		private static readonly String ElementName_Config = "Config";
		private static readonly String ElementName_Profile = "Profile";
		private static readonly String ElementName_Eligibility = "Eligibility";
		private static readonly String ElementName_HideInfo = "HideInfo";

		//-------------------------------------------------------------------
		/// <summary>Profile settings.</summary>
		public class ProfileData
		{
			//---------------------------------------------------------------
			/// <summary>Eligibility settings.</summary>
			public class EligibilityData
			{
				/// <summary>Hide the eligbiility information tip.</summary>
				public bool HideInfo { get; set; }
			}
			public EligibilityData Eligibility { get; set; } = new EligibilityData();

			//---------------------------------------------------------------
			/// <summary>Serialise to XML.</summary>
			public static String ToXml(ProfileData profile)
			{
				String fn = typeof(ProfileData).FullName + ".GetConfigData";
				try
				{
					XDocument doc = new XDocument();
					XElement configElement = doc.AppendElement(ElementName_Config);
					// Profile.
					XElement profileElement = configElement.AppendElement(ElementName_Profile);
					// Profile - Eligibility.
					XElement eligibilityElement = profileElement.AppendElement(ElementName_Eligibility);
					if (profile.Eligibility.HideInfo)
						eligibilityElement.AppendElement(ElementName_HideInfo, "1");
					return doc.GetXml();
				}
				catch (Exception exc)
				{
					SaLogger.Warn(fn + " " + ExceptionUtil.GetLogMessage(exc));
				}
				return "";
			}

			//---------------------------------------------------------------
			/// <summary>Deserialise from XML.</summary>
			public static ProfileData FromXml(String configData)
			{
				String fn = typeof(ProfileData).FullName + ".ExtractConfig";
				ProfileData profile = new ProfileData();
				if (StringUtil.IsEmpty(configData)) return profile;
				try
				{
					// Load XML data.
					// NB Serialised data has 'Config' as root element
					XDocument doc = XDocument.Parse(configData);
					XElement rootElement = doc.Root;
					foreach (XElement rootChildElement in rootElement.GetChildElements())
					{
						String rootChildElementName = rootChildElement.GetLocalName();
						if (rootChildElementName.EqualsCI(ElementName_Profile))
						{
							// Profile.
							XElement profileElement = rootChildElement;
							foreach (XElement profileChildElement in profileElement.GetChildElements())
							{
								String profileChildElementName = profileChildElement.GetLocalName();
								if (profileChildElementName.EqualsCI(ElementName_Eligibility))
								{
									// Profile - Eligibility.
									XElement eligibilityElement = profileChildElement;
									String hideInfo = eligibilityElement.GetChildText(ElementName_HideInfo);
									profile.Eligibility.HideInfo = StringUtil.ToBool(hideInfo);
								}
								else SaLogger.Warn(fn + " Unexpected 'Profile' child element: " + profileChildElementName);
							}
						}
						else SaLogger.Warn(fn + " Unexpected 'Root' child element: " + rootChildElementName);
					}
				}
				catch (Exception exc)
				{
					SaLogger.Warn(fn + " " + ExceptionUtil.GetLogMessage(exc));
				}
				return profile;
			}

			//---------------------------------------------------------------
		}

		//-------------------------------------------------------------------
	}

	//==========================================================================
}