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

namespace DTS.Common.Import.XML
{
    public class XMLPre20ParseSensors : XMLParseBase
    {
        private readonly XMLParseSensors _xmlParseSensors;
        public XMLPre20ParseSensors(XmlElement root, double importedVersion, XMLParseSensors xmlParseSensors, Func<bool> isCancelled = null) : base(root, importedVersion, isCancelled)
        {
            _xmlParseSensors = xmlParseSensors;
        }
        public override void Parse(ref ImportObject importObject)
        {
            var sensors = _xmlParseSensors.ParseSensors(_root);
            var newRoot = MigrateSensors(sensors);
            importObject.AddSensors(_xmlParseSensors.ParseSensors(newRoot));
        }

        public XmlElement MigrateSensors(IEnumerable<SensorData> sensors)
        {
            _writer.WriteStartElement(TopLevelFields.Sensors.ToString());
            var count = -1;
            foreach (var sd in sensors)
            {
                sd.DatabaseId = count;
                count--;
                _writer.Flush();
                sd.WriteXML(ref _writer);
                _writer.Flush();
            }
            _writer.WriteEndElement();
            return GetXmlElement();
        }
    }
}