///
/// Copyright (c) 2018 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.IO;
using System.Xml.Serialization;
using Config.Entities;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.Modbus.UltrasoundLevelMeter
{
    public class LevelMeterCfg : ComponentCfgBase, Generic.IChildComponentCfg, Config.Entities.IParamsProvider
	{
		public static XmlSerializer Serializer = XmlSerializer.FromTypes(new[] { typeof(LevelMeterCfg) })[0];
		public override XmlSerializer GetSerializer() { return Serializer; }

        public IComponentCfgCtrl GetControl(IList<Config.Entities.Component> cmpntEntities)
        {
            IList<string> parents = new List<string>();
            // TODO:
            //if (StateMachine.Components != null)
            //{
            //    foreach (var cmpnt in StateMachine.Components)
            //    {
            //        if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is TBF.BenchControl.Modbus.Common.Factory)
            //        {
            //            parents.Add(cmpnt.Name);
            //        }
            //    }
            //}
            parents.Add("Modbus");

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

		///
		/// Serialized parameters 
		///
		public byte ModbusAddress;		/// 1..247

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

        public LevelMeterCfg(IComponentFactory factory)
            : this()
        {
            Factory = factory;
            Name = "ULM";
            ParentName = "Modbus";
            InitializeAll();
        }

        public string ComponentName { get { return Name; } }

        public void InitializeAll()
        {
            ModbusAddress = 1;
        }


        string[] paramNames = new string[]
		{
            "Modbus address",
        };
        public string ParamName(int i) { return paramNames[i]; }
        public int ParamsCount() { return paramNames.Length; }
        public ICollection<string> ParamValues(int i) { return null; }

		public string ToString(int i)
		{
            if (i == -1)
            {
			    return string.Format("ModbusAddr={0}", ModbusAddress);
            }

            switch (i)
            {
                case 0:  return ModbusAddress.ToString();
                default: return string.Empty;
            }
		}


        public CfgUpdateFlags UpdateParam(int i, string strValue)
        {
            switch (i)
            {
                case 0:
                    byte addr = byte.Parse(strValue);
                    if (ModbusAddress != addr)
                    {
                        ModbusAddress = addr;
                        return CfgUpdateFlags.RestartRqrd;
                    }
                    else
                    {
                        return CfgUpdateFlags.None;
                    }

                default:
                    return CfgUpdateFlags.None;
            }
        }

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

            switch (i)
            {
                case 0:
                    if (int.TryParse(strValue, out dummy) && dummy >= 1 && dummy <= 247) return true;
                    message = ParamName(i) + " is invalid. Address range is 1 .. 247";
                    return false;
                default:
                    message = "Invalid index";
                    return false;
            }

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

        void CopyContentTo(LevelMeterCfg prms)
        {
            prms.ParentName = this.ParentName;
            prms.ModbusAddress = this.ModbusAddress;
        }


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

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