///
/// Copyright (c) 2017 Sensus Slovensko a.s.
///
using System.IO;
using System.Xml.Serialization;
using Common;
using Config.Entities;
using TBF.Rig.Generic;
using TBF.Resources;

namespace TBF.Rig.Modbus.TempControl.Easytherm
{
	public class ProcParams : ProcedureParamsBase, IParamsProvider, IProcedureParams
	{
		public static XmlSerializer Serializer = XmlSerializer.FromTypes(new[] { typeof(ProcParams) })[0];
		public override XmlSerializer GetSerializer() { return Serializer; }

		public float RequiredTemp;			/// [°C] target temperature for a temperature controller or 0=not communicated to the controller


		public override void InitializeAll()
		{
            RequiredTemp  = 0.0f;
		}

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

		public override string ToString(int i)
		{
			switch (i)
			{
				case 0: return (RequiredTemp == 0) ? "---" : RequiredTemp.ToString();
				default: return string.Empty;
			}
		}

		public CfgUpdateFlags UpdateParam(int i, string strValue)
		{
			switch (i)
			{
                case 0:
					if (strValue == "-" || strValue == "--" || strValue == "---")
					{
						RequiredTemp = 0;
					}
					else
					{
						RequiredTemp = Utils.ParseUFloat(strValue);
					}
                    return CfgUpdateFlags.None;
				default:
                    return CfgUpdateFlags.None;
			}
		}

		/// <summary>
		/// Verifiy the string representation of the parameter
		/// </summary>
		/// <param name="i">Parameter ID</param>
		/// <param name="strValue">String representation of the parameter</param>
		/// <param name="message">In case false is returned this is the error messsage to be displayed</param>
		/// <returns>true = parameter OK, false = parameter NOK</returns>
		public bool ValidateParam(int i, string strValue, out string message)
		{
			message = string.Empty;

			float temp;
			switch (i)
			{
				case 0:     /// T_hot_heating
					if (strValue == "-" || strValue == "--" || strValue == "---" ||
						(Utils.TryParseUFloat(strValue, out temp) && (temp == 0 || (temp >= 5 && temp <= 95.0f))))
					{
						return true;
					}
                    break;
				default:
					message = "Invalid index";
					return false;
			}

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

		void CopyContentTo(ProcParams prms)
		{
            prms.RequiredTemp  = this.RequiredTemp;
		}

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

		public override void UpdateFromDbEntity(ComponentProcedure dbEntity)
		{
			if (dbEntity == null) return;
			try
			{
				ProcParams tmp = Serializer.Deserialize(new StringReader(dbEntity.Parameters)) as ProcParams;

				procedureParamsEntity = dbEntity;
				componentName = dbEntity.CmpntName;
				procedure = dbEntity.Procedure;

				if (tmp != null) tmp.CopyContentTo(this);
			}
			catch
			{
			}
		}

		/// <summary>
		/// Parameterless constructor initializes the parameters
		/// </summary>
		public ProcParams()
		{
		}

		public ProcParams(bool initialize)
		{
			if (initialize) InitializeAll();
		}

		public ProcParams(ComponentProcedure procParamsEntity, string componentName, Procedure procedure)
		{
			this.procedureParamsEntity = procParamsEntity;
			this.componentName = componentName;
			this.procedure = procedure;
		}
	}
}