using CommunityToolkit.Mvvm.ComponentModel;
using MultiTerm.Protocols.Model;

namespace MultiTerm.Core.ViewModel;

public partial class ByteDataViewModel : ObservableObject, IDataViewModel, IComparable<ByteDataViewModel>, ICloneable
{
    /// <summary>
    /// Object of data model. 
    /// </summary>
    internal readonly ExtendedByte Data;

    #region IDataViewModel Implementation

    [ObservableProperty]
    private int lineIdentifier;

    [ObservableProperty]
    private string timeAsString = String.Empty;

    [ObservableProperty]
    private string displayStringChar = String.Empty;

    [ObservableProperty]
    private string displayStringHex = String.Empty;

    [ObservableProperty]
    private string displayStringBin = String.Empty;

    #endregion

    /// <summary>
    /// Instanciates new <see cref="ByteDataViewModel"/>.
    /// Initializes internal variables with data according to <paramref name="extendedByte"/>.
    /// </summary>
    /// <param name="extendedByte">data</param>
    /// <param name="lineIdentifier">identifies line in which this byte is located</param>
    public ByteDataViewModel(ExtendedByte extendedByte, int lineIdentifier)
    {
        this.Data = extendedByte;
        this.lineIdentifier = lineIdentifier;
        this.DisplayStringChar = extendedByte.ToCharacterString();
        this.DisplayStringHex = extendedByte.ToHexString();
        this.DisplayStringBin = extendedByte.ToBinaryString();
        this.TimeAsString = extendedByte.Time.ToString("HH:mm:ss.ffff");
    }

    #region IComparable Implementation
    /// <summary>
    /// IComparable method. To allow sorting <see cref="ByteDataViewModel"/>
    /// </summary>
    /// <param name="other">compared element</param>
    /// <returns></returns>
    public int CompareTo(ByteDataViewModel? other)
    {
        if(other == null)
            return 1;

        if (other.Data.Time.Ticks > this.Data.Time.Ticks)
            return -1;
        else if(this.Data.Time.Ticks > other.Data.Time.Ticks)
            return 1;
        else  // equal
            return 0;
    }

    #endregion

    #region ICloneable Implementation
    public object Clone()
    {
        return this.MemberwiseClone();
    }
    #endregion
}