///
/// Copyright (c) 2013-2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Xml.Serialization;
using Config.Entities;

namespace TBF.BenchControl
{
	public class ProcedureParamsBase : Generic.IProcedureParams
	{
		protected ComponentProcedure procedureParamsEntity;

		public virtual XmlSerializer GetSerializer() { return new XmlSerializer(GetType()); }

		public string ComponentName { get { return componentName; } }
		protected string componentName;

		public Procedure Procedure { get { return procedure; } }
		protected Procedure procedure;

		/// <summary>
		/// Parameterless constructor required for serialization
		/// </summary>
		public ProcedureParamsBase()
		{
			InitializeAll();
		}

		/// <summary> To be overridden </summary>
		public virtual void InitializeAll()
		{
		}

        /// <summary> To be overridden </summary>
        public virtual IList<string> ParamValues(int ix)
        {
            return null;
        }

		/// <summary> To be overridden </summary>
		public virtual void UpdateFromDbEntity(ComponentProcedure dbEntity)
		{
		}

		public void FromDbEntity(string cmpntName, Procedure procedure)
		{
            ComponentProcedure componentProc = procedure.GetProcedureParamsEntity(cmpntName);
            if (componentProc != null)
            {
                UpdateFromDbEntity(componentProc);
                return;
            }

			/// Create a new entity and add it to the list test.MoreParams
			this.procedureParamsEntity = this.ToDbEntity(cmpntName, procedure);
            this.procedureParamsEntity.SetParamsProvider(this as IParamsProvider);
            this.procedure = procedure;
			this.componentName = cmpntName;
			procedure.MoreParams.Add(procedureParamsEntity);
		}

		public ComponentProcedure ToDbEntity(string cmpntName, Procedure procedure)
		{
			using (var writer = new StringWriter())
			{
                GetSerializer().Serialize(writer, this);                                /// Serialize this class with parameters
                return new ComponentProcedure(cmpntName, writer.ToString(), procedure); /// Return new ComponentProcedure entity
			}
		}

		public void UpdateEmbeddedDbEntity()
		{
			using (var writer = new StringWriter())
			{
				/// Serialize this class and update the entity
				GetSerializer().Serialize(writer, this);
				procedureParamsEntity.Parameters = writer.ToString();
				procedureParamsEntity.CmpntName = componentName;
				procedureParamsEntity.Procedure = procedure;
			}
		}

		public virtual string ParamName(int i) { return string.Empty; }

		public virtual int ParamsCount() { return 0; }

		public virtual string ToString(int i) { return string.Empty; }

		public override string ToString()
		{
			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < ParamsCount(); i++)
			{
				if (i != 0) sb.Append("; ");
				sb.Append(ParamName(i));
				sb.Append("=");
				sb.Append(ToString(i));
			}
			return sb.ToString();
		}
	}
}