using DTS.Common.Enums.DBExport;
using DTS.Common.Enums.Sensors;
using DTS.Common.Import.Interfaces;
using DTS.Common.Interface;
using DTS.Common.Utils;
using DTS.SensorDB;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace DTS.Common.Import.XML
{
    public class XMLParseCalibrations : XMLParseBase
    {
        public XMLParseCalibrations(XmlElement root, double importedVersion, Func<bool> isCancelled = null) : base(root, importedVersion, isCancelled)
        {
        }
        public IImportNotification ImportNotification { get; set; }
        public override void Parse(ref ImportObject importObject)
        {
            ImportNotification?.SetStatus(new ImportStatus { PossibleStatus = Enums.PossibleStatus.Reading, ExtraStatus = Enums.ImportExtraStatus.ReadingCalibrations });
            var scs = ParseCalibrations(_root);
            var newRoot = ConvertCalibrations(scs);
            importObject.AddCalibrations(ParseCalibrations(newRoot));

        }
        public XmlElement ConvertCalibrations(IEnumerable<SensorCalibration> calibrations)
        {
            _writer.WriteStartElement(TopLevelFields.Calibrations.ToString());
            foreach (var c in calibrations)
            {
                _writer.Flush();
                c.WriteXML(ref _writer);
                _writer.Flush();
            }
            _writer.WriteEndElement();
            return GetXmlElement();
        }

        public IEnumerable<SensorCalibration> ParseCalibrations(XmlElement root)
        {
            List<SensorCalibration> scs = new List<SensorCalibration>();
            if (_importedVersion >= FileUtils.DataPROPre20XmlVersion)
            {
                foreach (var node in root.ChildNodes)
                {
                    if (IsCancelled()) { return scs; }
                    if (node is XmlElement)
                    {
                        var sc = new SensorCalibration();
                        sc.ReadXML(node as XmlElement);
                        scs.Add(sc);
                    }
                }
            }
            if (_importedVersion == 1.0D)
            {
                foreach (var node in root.ChildNodes)
                {
                    if (IsCancelled()) { return scs; }
                    if (node is XmlElement)
                    {
                        var sc = new SensorCalibration();
                        sc.ReadXML(node as XmlElement);

                        sc.Records.Records[0].AtCapacity = false;

                        if (sc.NonLinear)
                        {
                            sc.Records.Records[0].SensitivityUnits = SensorConstants.SensUnits.NONE;
                        }
                        else if (sc.IsProportional)
                        {
                            sc.Records.Records[0].SensitivityUnits = SensorConstants.SensUnits.mVperVperEU;
                        }
                        else
                        {
                            sc.Records.Records[0].SensitivityUnits = SensorConstants.SensUnits.mVperEU;
                        }
                        scs.Add(sc);
                    }
                }
            }
            return scs;
        }

    }
}