@using Sandbox;
@using Sandbox.UI;
@inherits PanelComponent
@namespace Sandbox

@*
    The floating name tag above an avatar. StreamPlayer.Setup() points its Viewer at the right viewer,
    and we render their display name in their chat colour.
*@

<root>
    <div class="username" style="@NameStyle">
        @Viewer.DisplayName
    </div>
</root>

@code
{
    /// <summary>
    /// The viewer this tag is labelling. Set by StreamPlayer when the avatar is spawned.
    /// </summary>
    public Streamer.Viewer Viewer { get; set; }

    /// <summary>
    /// Colour the name with the viewer's chat colour, if they have one set.
    /// </summary>
    string NameStyle => Viewer.Color.HasValue ? $"color: {Viewer.Color.Value.Hex}" : null;

    /// <summary>
    /// PanelComponent rebuilds the markup whenever this hash changes - so include anything we display.
    /// </summary>
    protected override int BuildHash() => System.HashCode.Combine( Viewer.DisplayName, Viewer.Color );
}