using WPFluent.Extensions;

namespace WPFluent.Controls;

/// <summary>
/// Class used to create identifiers of threads or tasks that can be performed multiple times within one instance. <see
/// cref="Current"/> represents roughly the time in microseconds at which it was taken.
/// </summary>
internal class EventIdentifier
{
    /// <summary>
    /// Creates and assigns a random value with an extra time code if possible.
    /// </summary>
    private void UpdateIdentifier() => Current = DateTime.Now.GetMicroTimestamp();

    /// <summary>
    /// Creates and gets the next identifier.
    /// </summary>
    public long GetNext()
    {
        UpdateIdentifier();

        return Current;
    }

    /// <summary>
    /// Checks if the identifiers are the same.
    /// </summary>
    public bool IsEqual(long storedId) => Current == storedId;

    /// <summary>
    /// Gets or sets the current identifier.
    /// </summary>
    public long Current { get; internal set; } = 0;
}