using System;
using System.Text;

namespace DatabaseExport
{
    public class TestObjectChannel : TestObjectTemplateChannel, /*INotifyPropertyChanged,*/ IComparable<TestObjectChannel>
    {
        private const string CURRENT_SUFFIX = "_CU";
        public const int CHANNEL_IDX_UNKNOWN = -1;
        public enum SquibChannelTypes
        {
            None, //Non-squib channels
            Voltage,
            Current
        }
        //        #endregion
        public string GetGraphID()
        {
            return SquibChannelType == SquibChannelTypes.Current ? GetId() + CURRENT_SUFFIX : GetId();
        }
        public string GetId()
        {
            return GetIdWithSpecificChannelId(Channel.Id);
        }
        public string GetIdWithSpecificChannelId(long id)
        {
            return $"{TestObject.SerialNumber}_{Channel.MMEChannelType}_{id}";
        }
        public SquibChannelTypes SquibChannelType
        {
            get; set;
        }
        public int CompareTo(TestObjectChannel right)
        {
            if (null == right) { return 1; }
            if (this == right) { return 0; }
            var comp = DisplayOrder.CompareTo(right.DisplayOrder);
            if (0 != comp) { return comp; }

            comp = Name.CompareTo(right.Name);
            if (0 != comp) { return comp; }

            if (null != TestObject && null != right.TestObject)
            {
                comp = TestObject.SerialNumberOrOriginalSerialNumber.CompareTo(right.TestObject.SerialNumberOrOriginalSerialNumber);
                if (0 != comp) { return comp; }
            }
            return 0;
        }
        public string SensorSerialNumber
        {
            get => GetProperty("SensorSerialNumber", "") as string;
            set => SetProperty("SensorSerialNumber", value);
        }
        private const char ChannelSeparator = 'x';
        public string HardwareId
        {
            get => GetProperty("HardwareId", "") as string;
            set
            {
                if (null != value)
                {
                    var tokens = value.Split('_');
                    if (3 == tokens.Length)
                    {
                        var sb = new StringBuilder();
                        sb.AppendFormat("{0}_{1}", tokens[0], tokens[1]);
                        var index = tokens[2].IndexOf(ChannelSeparator);
                        if (index >= 0) { sb.Append(tokens[2].Substring(index)); }
                        value = sb.ToString();
                    }
                }
                SetProperty("HardwareId", value);
            }
        }

        private ISO.TestObject _testObject = null;
        public ISO.TestObject TestObject => _testObject;

        public TestObjectChannel(TestObjectTemplateChannel copy, ISO.TestObject testObject, ISO.TestObjectTemplate template)
            : base(copy, template)
        {
            _testObject = testObject;
        }

        public string GetID()
        {
            return GetIDWithSpecificChannelId(Channel.Id);
        }
        public string GetIDWithSpecificChannelId(long id)
        {
            return string.Format("{0}_{1}_{2}", _testObject.SerialNumber, Channel.MMEChannelType, id);
        }
        private int _channelIDX = CHANNEL_IDX_UNKNOWN;
        public int ChannelIDX
        {
            get => _channelIDX;
            set => _channelIDX = value;
        }
    }
}