///
/// Copyright (c) 2021 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Xml.Serialization;
using Config.Entities;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.RegisterReaders.DataStream.Reader
{
	/// <summary>
	/// Holds information identifying the test bench - serializable configuration.
	/// </summary>
    public class ReaderCfg : ComponentCfgBase, Generic.IChildComponentCfg, Config.Entities.IParamsProvider
	{
		public static XmlSerializer Serializer = XmlSerializer.FromTypes(new[] { typeof(ReaderCfg) })[0];
        public override XmlSerializer GetSerializer() { return Serializer; }

		public IComponentCfgCtrl GetControl()
        {
            IList<string> parents = new List<string>();
            parents.Add("MefImport");

            return new Configs.ParamsProvider.ComponentCfgCtrl(this, parents);
        }

		///
		/// Serialized parameters 
		///
        public int Position;


		/// Private parameterless constructor invoked by all other (public) constructors
		ReaderCfg() {}

        public ReaderCfg(IComponentFactory factory)
            : this()
        {
            Factory = factory;
            Name = "Reader";
            ParentName = "MefImport";
            InitializeAll();
        }

        public string ComponentName { get { return Name; } }

 		public void InitializeAll()
		{
            Position = 1;
        }

        string[] paramNames = new string[]
		{
            "Position",
        };
        public string ParamName(int i) { return paramNames[i]; }
        public int ParamsCount() { return paramNames.Length; }

        public IList<string> ParamValues(int i)
        {
            switch (i)
            {
                case 0:
                    IList<string> retv = new List<string>();
                    for (int j = 1; j <= Config.Data.WMsCount; j++) retv.Add(j.ToString());
                    return retv;
                default:
                    return null;
            }
        }

        public string ToString(int i)
        {
            switch (i)
            {
                case 0:
                    return Position.ToString();
                default:
                    return string.Format("{0}: Position = {1}", Name, Position);
            }
        }

        public CfgUpdateFlags UpdateParam(int i, string strValue)
        {
            switch (i)
            {
                case 0:
                    Position = int.Parse(strValue);
                    return CfgUpdateFlags.RestartRqrd;
                default:
                    return CfgUpdateFlags.None;
            }
        }

        public bool ValidateParam(int i, string strValue, out string message)
        {
            message = string.Empty;
            int idummy;

            switch (i)
            {
                case 0:
                    if (int.TryParse(strValue, out idummy) && idummy > 0 && idummy <= Config.Data.WMsCount) return true;
                    break;
                default:
                    message = "Invalid index";
                    return false;
            }

            message = ParamName(i) + " is invalid";
            return false;
        }

        void CopyContentTo(ReaderCfg prms)
        {
            prms.Position = this.Position;
        }

        public Config.Entities.IParamsProvider Clone()
        {
            ReaderCfg pars = new ReaderCfg();
            CopyContentTo(pars);
            return pars;
        }

        public bool UpdateEmbeddedDbEntity()
        {
            return true;    /// =OK, do nothing
        }
    }
}