///
/// Copyright (c) 2016-2023 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using Config;
using log4net;
using TBF.Boxes;
using TBF.Rig.Keithley.Multimeter_2010_RS232;
using TBF.Resources;
using TBF.UI.Calendar;

namespace TBF.Rig.Keithley.TempMeter
{
    public class TempMeter : ComponentBase, GenericDevices.ITempMeter, GenericDevices.IHasCalendarEvents
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(TempMeter));
        public override string ToString() { return string.Format("{0}({1})", ClassName, Cfg.ToString(-1)); }

		readonly TempMeterCfg tempMtrCfg;       /// configuration

        public readonly Multimeter Multimeter;         /// parent component

		public int Channel { get { return tempMtrCfg.Channel; } }		/// 1..5


		/// Dictionaries to maintain separate operations for each FloatBox argument
		Dictionary<DoubleBox, IOperation> operations;
		Dictionary<DoubleBox, IOperation> operations2;


		public TempMeter() { }

		public TempMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
			: base(cfg)
		{
			tempMtrCfg = cfg as TempMeterCfg;

			Multimeter = (Multimeter)TbfComponents.FindComponent(cfg.ParentName, components);
			if (Multimeter == null) throw new Exception("Cannot find " + Name + " parent");
		}

        public override void Initialize()
        {
            operations = new Dictionary<DoubleBox, IOperation>();
            operations2 = new Dictionary<DoubleBox, IOperation>();
            log.FatalFormat("{0} initialized: {1}", Name, this);
        }

        /// 
        /// Calendar support
        ///
        public List<Config.CalendarEvent.ICalendarEvent> GetCalendarEvents()
        {
            var calEvents = new List<Config.CalendarEvent.ICalendarEvent>();

            DateTime calibDue = tempMtrCfg.CalibValidDate;
            if (calibDue > TBF.UI.Constants.MinDate)
            {
                /// Five weekly notifications
                foreach (var days in new int[] { -35, -28, -21, -14 })
                {
                    if (calibDue.Date.AddDays(days + 6) >= DateTime.Now.Date)
                    {
                        calEvents.Add(new CalibrationReminderEvent(Config.CalendarEvent.AutoAction.Notification,
                                                                   calibDue.Date.AddDays(days),
                                                                   Name,
                                                                   string.Format(Strings.Calibration_due_date_is_0,
                                                                                 calibDue.Date.ToString(TBF.UI.Constants.DateFormat))));
                    }
                }

                /// Five daily warnings
                foreach (var days in new int[] { -7, -6, -5, -4, -3, -2, -1 })
                {
                    if (calibDue.Date.AddDays(days) >= DateTime.Now.Date)
                    {
                        /// Weekly reminders (last 5 weeks)
                        calEvents.Add(new CalibrationReminderEvent(Config.CalendarEvent.AutoAction.Warning,
                                                                   calibDue.Date.AddDays(days),
                                                                   Name,
                                                                   string.Format(Strings.Calibration_due_date_is_0,
                                                                                 calibDue.Date.ToString(TBF.UI.Constants.DateFormat))));
                    }
                }

                /// Calibration due date
                if (calibDue.Date >= DateTime.Now.Date)
                {
                    calEvents.Add(new CalibrationDueDateEvent(calibDue.Date,
                                                              Name,
                                                              string.Format(Strings.Calibration_due_date_is_0,
                                                                            calibDue.Date.ToString(TBF.UI.Constants.DateFormat))));
                }
            }

            return calEvents;
        }

        public double ReadTemperature()
        {
			double resistance = Multimeter.ReadResistance(tempMtrCfg.Channel);

			double temperature = 0;
			if (resistance > 0 && resistance < 2000)
			{
                if (tempMtrCfg.UseITS90)
                {
                    temperature = Formulas.PlatinumResistanceTM_ITS90_R2T(resistance,
                                                                          tempMtrCfg.R001C,
                                                                          tempMtrCfg.a7,
                                                                          tempMtrCfg.b7,
                                                                          tempMtrCfg.c7);
                }
                else
                {
                    temperature = Formulas.PlatinumResistanceTM_ITS27_R2T(resistance,
                                                                          tempMtrCfg.R0,
                                                                          tempMtrCfg.A,
                                                                          tempMtrCfg.B);
                }

				log.DebugFormat("Ch = {0}, R = {1} Ohm, T = {2} °C", Channel, resistance.ToString("F3"), temperature.ToString("F3"));
			}

			return temperature;
        }

		/// <summary>
		/// Events:  TempDone, Error
		/// </summary>
		/// <param name="temp">Reference to a variable for the temperature in Celsius</param>
		/// <returns>ReadTempOp instance reference casted to IOperaton</returns>
		public IOperation ReadTempOp(ref DoubleBox temp)
		{
			IOperation operation;
			if (operations.TryGetValue(temp, out operation))
			{
				return operation;		/// Operation already available
			}
			else
			{
				/// Create a new operation and store it in the dictionary
				operation = new ReadTempOp(this, ref temp);
				operations.Add(temp, operation);
				return operation;
			}
		}

		/// <summary>
		/// Events:  tempDone, Error
		/// </summary>
		/// <param name="temp">Reference to a variable for the temperature in Celsius</param>
		/// <param name="tempDone">Event returned when measurement done</param>
		/// <returns>ReadTempOp instance reference casted to IOperaton</returns>
		public IOperation ReadTempOp(ref DoubleBox temp, Event tempDone)
		{
			IOperation operation;
			if (operations2.TryGetValue(temp, out operation))
			{
				return operation;		/// Operation already available
			}
			else
			{
				/// Create a new operation and store it in the dictionary
				operation = new ReadTempOp(this, ref temp, tempDone);
				operations2.Add(temp, operation);
				return operation;
			}
		}
	}
}