using BotPages.Core;
using BotPages.Core.Abstractions;
using BotPages.Core.Logging;
using BotPages.Core.Middleware;
using BotPages.Core.Storage;
using BotPages.Telegram;
using Demo.Pages;

namespace Demo
{
    internal class Program
    {
        public static async Task Main(string[] args)
        {
            var token = Environment.GetEnvironmentVariable("TELEGRAM_TOKEN")
                ?? throw new InvalidOperationException("TELEGRAM_TOKEN not set");

            var logger = new ConsoleLogger();
            var state = new InMemoryStateStorage();

            var telegram = new TelegramAdapter(logger);
            var factory = new MultiAdapterFactory()
                .Register("Telegram", telegram);

            var app = new BotPagesApp(factory, state, logger)
                .AddDefaultPage<WelcomePage>()
                .MapCommand<WelcomePage>("/start")
                .AddMiddleware(new ErrorHandlingMiddleware(logger))
                .AddMiddleware(new LoggingMiddleware(logger));

            using var cts = new CancellationTokenSource();

            await telegram.StartPollingAsync(token,
                update => app.HandleUpdateAsync(update, CancellationToken.None),
                cts.Token);

            Console.ReadKey();
            cts.Cancel();
        }
    }
}