using System;
using DTS.Common.Enums.DASFactory;
using System.Xml;
using System.IO.Ports;
using DTS.Common.Enums;
using DTS.Common.Utilities.Logging;

namespace DTS.DASLib.Service
{
    /// <summary>
    /// Class for storing/applying CAN settings as a channel
    /// </summary>
    [Serializable]
    public class CANInputDASChannel : InputDASChannel
    {
        /// <summary>
        /// CTOR to populate a channel's owning module and channel WRT that module.  Calls 
        /// base class CTOR.
        /// </summary>
        /// <param name="owner">Module that contains this channel.</param>
        /// <param name="channelNumber">ChannelNumber of this channel WRT owning module.</param>
        public CANInputDASChannel(DASModule owner, int channelNumber)
            : base(owner, channelNumber)
        {
            SerialNumber = owner.SerialNumber();
        }

        public CANInputDASChannel()
        {
        }


        /// <summary>
        /// Serial number of the sensor.
        /// </summary>
        public string SerialNumber { get; set; }

        /// <summary>
        /// The name of the hardware channel
        /// </summary>
        public string HardwareChannelName { get; set; }

        public bool IsFD { get; set; }
        public int ArbBaseBitrate { get; set; }
        public int ArbBaseSJW { get; set; }
        public int DataBitrate { get; set; }
        public int DataSJW { get; set; }
        public string FileType { get; set; }

        /// <summary>
        /// If the channel has a serial number in the SerialNumber field, it is "Configured".
        /// </summary>
        public override bool IsConfigured()
        {
            return !string.IsNullOrEmpty(SerialNumber);
        }

        public override string ToString()
        {
            return $"CAN{ModuleChannelNumber}";
        }
        public override void WriteXml(XmlWriter writer)
        {
            base.WriteXml(writer);

            // SerialNumber
            XMLHelper.PutString(writer, "SerialNumber", SerialNumber);
            XMLHelper.PutString(writer, "HardwareChannelName", HardwareChannelName);
            XMLHelper.PutString(writer, "IsFD", IsFD.ToString());
            XMLHelper.PutString(writer, "ArbBaseBitrate", ArbBaseBitrate.ToString());
            XMLHelper.PutString(writer, "ArbBaseSJW", ArbBaseSJW.ToString());
            XMLHelper.PutString(writer, "DataBitrate", DataBitrate.ToString());
            XMLHelper.PutString(writer, "DataSJW", DataSJW.ToString());
            XMLHelper.PutString(writer, "FileType", FileType);
        }
        private const string SERIALNUMBER_TAG = "SerialNumber";
        private const string HARDWARECHANNELNAME_TAG = "HardwareChannelName";
        private const string ISFD_TAG = "IsFD";
        private const string ARBBASEBITRATE_TAG = "ArbBaseBitrate";
        private const string ARBBASESJW_TAG = "ArbBaseSJW";
        private const string DATABITRATE_TAG = "DataBitrate";
        private const string DATASJW_TAG = "DataSJW";
        private const string FILETYPE_TAG = "FileType";
        protected override void HandleElement(XmlReader reader)
        {
            base.HandleElement(reader);
            if (reader.NodeType == XmlNodeType.Element)
            {
                switch (reader.Name)
                {
                    case SERIALNUMBER_TAG:
                        SerialNumber = XMLHelper.GetString(reader);
                        break;
                    case HARDWARECHANNELNAME_TAG:
                        HardwareChannelName = XMLHelper.GetString(reader);
                        break;
                    case ISFD_TAG:
                        IsFD = Convert.ToBoolean(XMLHelper.GetString(reader));
                        break;
                    case ARBBASEBITRATE_TAG:
                        ArbBaseBitrate = Convert.ToInt32(XMLHelper.GetString(reader));
                        break;
                    case ARBBASESJW_TAG:
                        ArbBaseSJW = Convert.ToInt32(XMLHelper.GetString(reader));
                        break;
                    case DATABITRATE_TAG:
                        DataBitrate = Convert.ToInt32(XMLHelper.GetString(reader));
                        break;
                    case DATASJW_TAG:
                        DataSJW = Convert.ToInt32(XMLHelper.GetString(reader));
                        break;
                    case FILETYPE_TAG:
                        FileType = XMLHelper.GetString(reader);
                        break;
                    default:
                        // let child handle it
                        return;
                }
            }
        }
    }
}