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

namespace TBF.Rig.Dummy.FlowMeter
{
    public class FlowMeterCfg : ComponentCfgBase, IComponentCfg,  IParamsProvider, IDrawingItemWithMeasuredVal
	{
		public static XmlSerializer Serializer = XmlSerializer.FromTypes(new[] { typeof(FlowMeterCfg) })[0];
		public override XmlSerializer GetSerializer() { return Serializer; }

        public IComponentCfgCtrl GetControl(IList<Config.Entities.Component> cmpntEntities)
        {
            var parents = cmpntEntities.Where(x => x.ClassName == "ControlBoard.Uni");
            return new Configs.ParamsProvider.ComponentCfgCtrl(this, parents);
        }

		///
		/// Serialized parameters 
		///
        public double NominalFlow;                  /// 0   Nominal flow in m3/h
        public string MsrdFormat { get; set; }      /// 1
        public Unit MsrdUnit { get; set; }          /// 2

        /// Schematic drawing info
        public Shape Shape { get; set; }
        public int X { get; set; }
        public int Y { get; set; }
        public Sz Sz { get; set; }
        public Orient Orient { get; set; }
        public bool Flip { get; set; }
        public int LblX { get; set; }
        public int LblY { get; set; }
        public Orient LblOrient { get; set; }
        public int MsrdX { get; set; }
        public int MsrdY { get; set; }
        public Orient MsrdOrient { get; set; }

        [XmlIgnore]
        public IList<GNode> GNodes { get; set; }
        [XmlIgnore]
        public double MsrdValLimLo { get { return msrdValLimLo; } set { msrdValLimLo = value; } }
        [XmlIgnore]
        public double MsrdValLimHi { get { return msrdValLimHi; } set { msrdValLimHi = value; } }

        double msrdValLimLo = 0;
        double msrdValLimHi;

        [XmlIgnore]
        public bool IsOffline { get; set; }


        /// Private parameterless constructor invoked by all other (public) constructors
        FlowMeterCfg()
		{
            GNodes = new List<GNode>();
        }

        public FlowMeterCfg(string name, IComponentFactory factory)
            : this()
        {
            Factory = factory;
            Name = name;
            InitializeAll();
        }

        public string ComponentName { get { return Name; } }

        public void InitializeAll()
        {
            Shape = Shape.FlowM;
            Sz = Sz.M;

            NominalFlow = 1;
            MsrdFormat = "{0:F3} m2/h";
            MsrdUnit = Unit.m3ph;

            LblX = 38;
            MsrdX = 38;
            MsrdY = 22;
        }

        string[] paramNames = new string[]
        {
            "Nominal flow [m3/h]",          /// 0
            "Display format",               /// 1
            "Units of flow on a display",    /// 2
        };
        public string ParamName(int i) { return paramNames[i]; }
        public int ParamsCount() { return paramNames.Length; }

        public ICollection<string> ParamValues(int i)
        {
            switch (i)
            {
                case 2:  return new string[] { "m3/h", "l/h" };
                default: return null;
            }
        }

        public string ToString(int i)
		{
            switch (i)
            {
                case 0:  return NominalFlow.ToString();
                case 1:  return MsrdFormat;
                case 2:  return MsrdUnit.ToDescription();
                default: return string.Format("{0} {1}[{2},{3}] NominalFlow={4}", Name, Shape, X, Y, NominalFlow);
            }
		}

        public CfgUpdateFlags UpdateParam(int i, string str)
        {
            switch (i)
            {
                case 0:  NominalFlow = TBF.Utils.ParseUDouble(str);        return CfgUpdateFlags.RestartRqrd;
                case 1:  MsrdFormat = str;                                 return CfgUpdateFlags.RestartRqrd;
                case 2:  MsrdUnit = (str == "l/h") ? Unit.lph : Unit.m3ph; return CfgUpdateFlags.RestartRqrd;
                default: return CfgUpdateFlags.None;
            }
        }

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

            switch (i)
            {
                case 0:
                    if (TBF.Utils.TryParseUDouble(str, out dummy)) return true;
                    break;
                case 1:
                    return true;
                case 2:
                    if (ParamValues(i).Contains(str)) return true;
                    break;
                default:
                    message = "Invalid index";
                    return false;
            }

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

        void CopyContentTo(FlowMeterCfg prms)
        {
            prms.NominalFlow = NominalFlow;
            prms.MsrdFormat = MsrdFormat;
            prms.MsrdUnit = MsrdUnit;
        }

        public IParamsProvider Clone()
        {
            FlowMeterCfg pars = new FlowMeterCfg();
            CopyContentTo(pars);
            return pars;
        }

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