// PrivateMediaScreenChat.cs
// Adds a /privatevideo chat command: it changes what the media screens show for the player who typed it only.
// Everyone else keeps watching what they were watching.
//
//   /privatevideo <url>              every media screen, for you only
//   /privatevideo <screenId> <url>   one media screen (its Screen ID in the Inspector), for you only
//
// (/yt is the world's built-in command that changes the screens for everybody, in sync.)
using IHXR.Simulation;

public class PrivateMediaScreenChat : ScriptBase
{
    [Tooltip("The chat command, without the slash. Built-in commands such as yt cannot be used.")]
    public string CommandName = "privatevideo";

    public override void Start()
    {
        string command = (CommandName ?? "").Trim().TrimStart('/');
        if (command.Length == 0)
            command = "privatevideo";

        RegisterChatCommand(command, OnPrivateVideoCommand);
        Log("Registered /" + command + ".");
    }

    void OnPrivateVideoCommand(ChatCommandInfo info)
    {
        if (info == null || info.Args == null || info.Args.Length == 0)
        {
            Log("Usage: /" + CommandName + " <url>   or   /" + CommandName + " <screenId> <url>");
            return;
        }

        string screenId = info.Args.Length == 1 ? "*" : info.Args[0];
        string url = info.Args.Length == 1 ? info.Args[0] : info.Args[1];

        if (string.IsNullOrWhiteSpace(url))
        {
            Log("The video address cannot be empty.");
            return;
        }

        SetMediaScreenUrlForUser(info.Username, screenId, url);
        Log(info.Username + " is now privately watching '" + url + "' on " + (screenId == "*" ? "every screen" : "screen '" + screenId + "'") + ".");
    }
}