using Microsoft.JSInterop;

namespace OpenBirchWebsite.Services
{
    public class OpenBirchConsole(IJSRuntime js) : IDisposable
    {
        public List<ConsoleLine> history = new();
        private readonly IJSRuntime js = js;

        public static event Action<List<ConsoleLine>> OnLinesChanged;

        public Task pushCommand(string command)
        {
            history.Add(new ConsoleLine() { source = ConsoleSource.User, text = command });
            return ExecuteCommand(command);
        }

        private async Task ExecuteCommand(string command)
        {
            string result = await js.InvokeAsync<string>("runEval", command);
            history.Add(new ConsoleLine() { source = ConsoleSource.OpenBirch, text = result });
            OnLinesChanged?.Invoke(history);
        }

        public void Dispose()
        {
            // The following prevents derived types that introduce a
            // finalizer from needing to re-implement IDisposable.
            GC.SuppressFinalize(this);
        }
    }

    public struct ConsoleLine
    {
        public ConsoleSource source;
        public string text;
    }

    public enum ConsoleSource
    {
        User, // From the user
        OpenBirch, // Guess
    }
}