using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;
using System;
using System.Collections.Generic;
using System.Xml.Linq;

namespace Sarand.BusinessMgr.Net.Standard.Base.WebService
{
	//=======================================================================
	public class SbmWebServiceRequest
	{
		//-------------------------------------------------------------------
		// Definitions.
		public enum RequestType
		{
			Unknown,
			IsAlive,
			/// <summary>Item count</summary>
			Count,
			/// <summary>Query list - specific columns, compressed (csv etc) response data</summary>
			QueryList,
			/// <summary>Item list - full xml for each item with optional associated items.</summary>
			ItemList,
			/// <summary>Single Item with optional associated items.</summary>
			Item,
			/// <summary>Validate item properties without update.</summary>
			Validate,
			/// <summary>Validate properties and store (insert/update) item.</summary>
			Store,
			/// <summary>Delete item.</summary>
			Delete,
			/// <summary>List - as per Query List</summary>
			[Obsolete("Deprecated. Use QueryList instead.", true)]
			List,
			/// <summary>Single Item with optional associated items.</summary>
			[Obsolete("Deprecated. Use Item instead.", true)]
			Data,
		}
		public enum DataType
		{
			Unknown,
			// Security.
			UserProfile,
			// Reference data.
			CodeType,
			Code,
			// Accounts.
			Affiliate,
			Address,
			Association,
			SysParam,
			SystemAccount,
			SystemUser,
			SystemAccountUser,
			// Assets.
			Asset,
			AssetCategory,
			AssetProcess,
			VehicleClass,
			Vehicle,
			VehicleEvent,
			VehicleFeature,
			// Commodity.
			Commodity,
			CommodityCustomer,
			CommoditySupplier,
			Container,
			ContainerItem,
			PortfolioItem,
			// Price.
			Price,
			PriceSet,
			// Stock.
			Location,
			Movement,
			// Transaction.
			Transaction,
			Requirement,
			Constituent,
			// Process.
			ItemProcess,
			Process,
			// Data.
			ItemBatch,
			ItemLink,
			// Reference Data.
			Currency,
			Language,
			Region,
			TaxCode,
			UnitMeasure,
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// Sort column identified by column name with ascending flag.
		/// </summary>
		public class SortColumnData
		{
			public SortColumnData(String columnName, bool ascending)
			{
				ColumnName = columnName;
				Ascending = ascending;
			}
			public String ColumnName { get; }
			public bool Ascending { get; }
		}

		//-------------------------------------------------------------------
		// Configuration.
		public class Config
		{
			public bool SoapEnvelope { get; set; }
			public String SoapPrefix { get; set; }
			public DataType DataType { get; set; }
			public RequestType RequestType { get; set; }
			public class ContextProperties
			{
				public SbmWebServiceInstanceDefinition InstanceDefinition { get; set; }
				public String User { get; set; }
				public String Email { get; set; }
				public SysId AffiliateIdOrganisation { get; set; }
				public bool Commit { get; set; }
				public bool Debug { get; set; }
			}
			public ContextProperties Context { get; } = new ContextProperties();
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Config config;

		//-------------------------------------------------------------------
		// Construction.
		public SbmWebServiceRequest(Config config)
		{
			this.config = config;
		}

		//-------------------------------------------------------------------
		// Properties.
		public Dictionary<String, String> Filters { get; } = new Dictionary<String, String>();
		public List<String> Columns { get; } = new List<String>();
		public List<String> SortColumns { get; } = new List<String>();
		public XElement ItemElement { get; set; }

		//-------------------------------------------------------------------
		//                   D a t a   G e n e r a t i o n
		//-------------------------------------------------------------------
		public String GetRequestName()
		{
			if (config.RequestType == RequestType.IsAlive) return "";
			String requestName = "";
			if (config.DataType > 0)
				requestName += config.DataType.ToString();
			if (config.RequestType > 0)
				requestName += config.RequestType.ToString();
			return requestName + "Request";
		}
		public String GenerateRequestData(bool formatted = false)
		{
			if (config.RequestType == RequestType.IsAlive) return "";

			// Request document.
			XDocument requestDoc = new XDocument(new XDeclaration("1.0", "utf-8", "yes"));
			// Request root.
			XElement requestElement = null;
			if (config.SoapEnvelope)
			{
				XElement envelopeElement = null;
				XElement headerElement = null;
				XElement bodyElement = null;
				if (!StringUtil.IsEmpty(config.SoapPrefix))
				{
					XNamespace soapNamespace = SacsSoapUtils.GetSoapNamespace(SoapNamespaceType.Soap_1_1);
					envelopeElement = requestDoc.AppendElement(soapNamespace, SacsSoapUtils.GetElementName(SoapElementType.Envelope));
					envelopeElement.SetAttributeValue(XNamespace.Xmlns + config.SoapPrefix, soapNamespace);
					headerElement = envelopeElement.AppendElement(soapNamespace, SacsSoapUtils.GetElementName(SoapElementType.Header));
					bodyElement = envelopeElement.AppendElement(soapNamespace, SacsSoapUtils.GetElementName(SoapElementType.Body));
				}
				else
				{
					// No namespace.
					envelopeElement = requestDoc.AppendElement(SacsSoapUtils.GetElementName(SoapElementType.Envelope));
					headerElement = envelopeElement.AppendElement(SacsSoapUtils.GetElementName(SoapElementType.Header));
					bodyElement = envelopeElement.AppendElement(SacsSoapUtils.GetElementName(SoapElementType.Body));
				}
				requestElement = bodyElement.AppendElement(GetRequestName());
			}
			else
			{
				// Otherwise add the request directly to the document.
				requestElement = requestDoc.AppendElement(GetRequestName());
			}

			// Config.
			XElement configElement = requestElement.AppendElement("Config");

			// Context.
			XElement contextElement = configElement.AppendElement("Context");
			if (!StringUtil.IsEmpty(config.Context.User)) contextElement.AppendElement("User", config.Context.User);
			if (!StringUtil.IsEmpty(config.Context.Email)) contextElement.AppendElement("Email", config.Context.Email);
			if (SysId.IsValid(config.Context.AffiliateIdOrganisation)) contextElement.AppendElement("AffiliateIdOrganisation", SysId.ToString(config.Context.AffiliateIdOrganisation));
			if (config.Context.Commit) contextElement.AppendElement("Commit", "1");
			if (config.Context.Debug) contextElement.AppendElement("Debug", "1");

			// Filter.
			if (Filters.Count > 0)
			{
				XElement filterElement = configElement.AppendElement("Filter");
				foreach (String name in Filters.Keys)
					filterElement.AppendElement(name, Filters[name]);
			}

			// Columns.
			if (Columns.Count > 0)
			{
				XElement columnsElement = configElement.AppendElement("Columns", Columns.Concat(",", "", ""));
			}

			// Sort columns.
			if (SortColumns.Count > 0)
			{
				XElement sortColumnsElement = configElement.AppendElement("SortColumns", SortColumns.Concat(",", "", ""));
			}

			// Item.
			if (ItemElement != null)
			{
				XElement dataElement = requestElement.AppendElement("Data");
				dataElement.AppendElement(ItemElement);
			}

			if (formatted)
				return requestDoc.FormatXml();
			return requestDoc.GetXml();
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}