using System;
using System.Collections.Generic;
using System.IO;
using System.Xml.Serialization;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl
{
    public class ComponentCfgBase
    {
        [XmlIgnore]
        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        string name;

		[XmlIgnore]
		public Generic.IComponentFactory Factory
		{
			get { return factory; }
			set { factory = value; }
		}
		Generic.IComponentFactory factory;

		[XmlIgnore]
        public string ParentName
        {
            get { return parentName; }
            set { parentName = value; }
        }
        string parentName;

        [XmlIgnore]
        public int ItemNr
        {
            get { return itemNr; }
            set { itemNr = value; }
        }
        int itemNr;

        [XmlIgnore]
        public Entities.DebugMode DebugLevel
		{
			get { return debugLevel; }
			set { debugLevel = value; }
		}
        Entities.DebugMode debugLevel;

        [XmlIgnore]
        public Entities.LogLevel LogLevel
        {
            get { return logLevel; }
            set { logLevel = value; }
        }
        Entities.LogLevel logLevel;

		[XmlIgnore]
		public IList<Entities.MeasurementCorrection> Corrections
        {
            get { return corrections; }
            set { corrections = value; }
        }
		IList<Entities.MeasurementCorrection> corrections;

        protected ComponentCfgBase()
        {
            itemNr = 0;
            debugLevel = Entities.DebugMode.Normal;
            logLevel = Entities.LogLevel.Off;
        }

        protected ComponentCfgBase(Generic.IComponentFactory factory)
            : this()
        {
            this.factory = factory;
        }

        protected ComponentCfgBase(Generic.IComponentFactory factory, string name)
            : this(factory)
        {
            this.name = name;
        }

        protected ComponentCfgBase(Generic.IComponentFactory factory, string name, string parentName)
            : this(factory, name)
        {
            this.parentName = parentName;
        }


        public TBF.Entities.Component CreateDbEntity()
        {
            using (var writer = new StringWriter())
            {
                (new XmlSerializer(GetType())).Serialize(writer, this);
                return Entities.Component.CreateFromCfg(Name, factory.ClassName, ParentName, ItemNr, DebugLevel, LogLevel, writer.ToString());
            }
        }


        public static IComponentCfg CreateFromDbEntity(Type type, Entities.Component cmpntEntity, IComponentFactory factory)
        {
            using (var reader = new StringReader(cmpntEntity.Parameters))
            {
                IComponentCfg config = (IComponentCfg)(new XmlSerializer(type)).Deserialize(reader);
                config.Name = cmpntEntity.Name;
                config.ParentName = cmpntEntity.ParentName;
                config.ItemNr = cmpntEntity.ItemNr;
                config.DebugLevel = cmpntEntity.Mode;
                config.LogLevel = cmpntEntity.Logging;
                config.Corrections = cmpntEntity.Corrections;
                config.Factory = factory;
                return config;
            }
        }

		/// <summary>
		/// Default implementation returning null - no test aprameters.
		/// In case there are any test parameters, this function override should return
		/// a reference to a class that implements IParamsProvider and ITestParams.
		/// </summary>
		/// <returns>Test parameters obtained by the last UpdateTestParams(test)</returns>
		public virtual IParamsProvider GetTestParams()
		{
			return null;
		}

		/// <summary>
		/// Default implementation returning null - no procedure parameters.
		/// In case there are any procedure parameters, this function override should return
		/// a reference to a class that implements IParamsProvider and IProcedureParams.
		/// </summary>
		/// <returns>Procedure parameters obtained by the last UpdateProcedureParams(procedure)</returns>
		public virtual IParamsProvider GetProcedureParams()
		{
			return null;
		}


		public void UpdateTestParams(Entities.Test test)
		{
			ITestParams tstPrms = (GetTestParams() as ITestParams);
			if (tstPrms != null)
			{
				tstPrms.UpdateTestParams(Name, test);
			}
		}

		public void UpdateProcedureParams(Entities.Procedure procedure)
		{
			IProcedureParams procPrms = (GetProcedureParams() as IProcedureParams);
			if (procPrms != null)
			{
				procPrms.UpdateProcedureParams(Name, procedure);
			}
		}


		public virtual IParamsProvider CreateTestParams(Entities.Test test)
		{
			return null;
		}

		public virtual IParamsProvider CreateProcedureParams(Entities.Procedure procedure)
		{
			return null;
		}
	}
}