using CursorLang.Core.Services;

namespace CursorLang.Agent;

internal static class Program
{
    /// <summary>
    /// A single-threaded apartment because of the caret: <c>AccessibleObjectFromWindow</c>
    /// and UI Automation both go through COM, and both expect the thread that calls them
    /// to be an STA one.
    /// </summary>
    [STAThread]
    private static int Main(string[] arguments)
    {
        bool automatic = StartupLaunch.IsAutomatic(arguments);

        var gate = new SingleInstanceGate(SingleInstanceGate.AgentName);

        // A second launch is the user asking for the application, so the one already
        // running opens the settings window and this one steps aside. A second launch
        // by Windows at sign-in asks for nothing and gets nothing
        if (!gate.TryAcquire(showRunningInstance: !automatic))
        {
            gate.Dispose();
            return 0;
        }

        try
        {
            using var agent = new Agent(gate);
            return agent.Run(automatic);
        }
        finally
        {
            gate.Dispose();
        }
    }
}