using SharpChat.S2CPackets;

namespace SharpChat.ClientCommands {
    public class ShutdownRestartClientCommand(ManualResetEvent waitHandle, Func<bool> shutdownCheck) : ClientCommand {
        private readonly ManualResetEvent WaitHandle = waitHandle ?? throw new ArgumentNullException(nameof(waitHandle));
        private readonly Func<bool> ShutdownCheck = shutdownCheck ?? throw new ArgumentNullException(nameof(shutdownCheck));

        public bool IsMatch(ClientCommandContext ctx) {
            return ctx.NameEquals("shutdown")
                || ctx.NameEquals("restart");
        }

        public void Dispatch(ClientCommandContext ctx) {
            if(!ctx.User.UserId.Equals("1")) {
                long msgId = ctx.Chat.RandomSnowflake.Next();
                ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.COMMAND_NOT_ALLOWED, true, $"/{ctx.Name}"));
                return;
            }

            if(!ShutdownCheck())
                return;

            if(ctx.NameEquals("restart"))
                foreach(Connection conn in ctx.Chat.Connections)
                    conn.PrepareForRestart();

            ctx.Chat.Update();
            WaitHandle?.Set();
        }
    }
}