using DTS.Common.Classes.Sensors;
using DTS.Common.Enums;
using DTS.Common.Enums.Sensors;
using DTS.Common.Interface.Sensors;
using DTS.SensorDB;
using System.Collections.Generic;

namespace DTS.Common.Import
{
    public class CalibrationImport : ICalibrationImport
    {
        public SensorCalibration CheckForExcitationCalibration(SensorCalibration sc, double sensitivity, ExcitationVoltageOptions.ExcitationVoltageOption excitation, string EU)
        {
            //we may have already handled this, so check
            if (sc.Records.Records[0].Excitation == excitation)
            {
                return sc;
            }
            var records = new List<ICalibrationRecord>(sc.Records.Records);
            var r = new CalibrationRecord
            {
                AtCapacity = false,
                EngineeringUnits = EU,
                Excitation = excitation,
                Sensitivity = sensitivity,
                CapacityOutputIsBasedOn = 1.000
            };
            records.Add(r);
            sc.Records.Records = records.ToArray();
            return sc;
        }
        public SensorCalibration AddLinearCalRecordIfNeeded(SensorCalibration sc, bool savedIsProportional, bool savedRemoveOffset)
        {
            if (sc.Records.Records.Length == 1)
            {
                //Since sc.Records.Records is an array and not a List, make a list of two records - the existing 
                //non-linear and a new linear - and replace the existing array of length 1 with a new array of length 2.
                var records = new List<ICalibrationRecord>();

                //Add the existing non-linear
                records.AddRange(sc.Records.Records);

                //Add a new record for linear
                var newSc = new SensorCalibration();
                newSc.Records.Records[0].Poly.MarkValid(false);
                records.Add(newSc.Records.Records[0]);

                //Replace the existing single record with two
                sc.Records.Records = records.ToArray();

                //Since there is both a linear and non-linear calibration, IsProportional and RemoveOffset
                //should apply to the linear, and were set to False when the sensor was set to NonLinear
                sc.IsProportional = savedIsProportional;
                sc.RemoveOffset = savedRemoveOffset;
            }
            return sc;
        }
        public SensorCalibration AddLinearZeroMethodIfNeeded(SensorCalibration sc, ZeroMethodType zeroMethodType, double zeroMethodStart, double zeroMethodEnd)
        {
            if (sc.ZeroMethods.Methods.Length == 1)
            {
                //Since sc.ZeroMethods.Methods is an array and not a List, make a list of two records - the existing 
                //non-linear and a new linear - and replace the existing array of length 1 with a new array of length 2.
                var methods = new List<ZeroMethod>();

                //Add the existing non-linear
                methods.AddRange(sc.ZeroMethods.Methods);

                //Add a new record for linear
                var newZm = new ZeroMethod(zeroMethodType, zeroMethodStart, zeroMethodEnd);
                methods.Add(newZm);

                //Replace the existing single record with two
                sc.ZeroMethods.Methods = methods.ToArray();
            }
            return sc;
        }

    }
}