using System;
using System.Data;
using System.Threading;
using System.Threading.Tasks;
using Telegram.Bot;
using Telegram.Bot.Types;
using Telegram.Bot.Types.Enums;
using Dapper;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Npgsql;
using UserOfTheDayBot.Data;
using UserOfTheDayBot.Services;

public class Program
{
    public static async Task Main(string[] args)
    {
        var host = Host.CreateDefaultBuilder(args)
            .ConfigureAppConfiguration((context, config) =>
            {
                config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
                config.AddEnvironmentVariables(); // Добавление переменных среды
            })
            .ConfigureLogging(logging =>
            {
                logging.ClearProviders();
                logging.AddConsole(); // Вывод логов в консоль
            })
            .ConfigureServices((context, services) =>
            {
                services.AddSingleton<IUserRepository, UserRepository>();
                services.AddSingleton<IUserOfTheDayRepository, UserOfTheDayRepository>();
                services.AddSingleton<BotService>();

                // TelegramBotClient зависит от IConfiguration для получения токена
                services.AddSingleton<ITelegramBotClient>(provider =>
                {
                    var configuration = provider.GetRequiredService<IConfiguration>();
                    var botToken = configuration["BotSettings:BotToken"];
                    return new TelegramBotClient(botToken);
                });
            })
            .Build();
        
        var logger = host.Services.GetRequiredService<ILogger<Program>>();
        logger.LogInformation("Bot is starting...");

        var botService = host.Services.GetRequiredService<BotService>();
        var botClient = host.Services.GetRequiredService<ITelegramBotClient>();

        using var cts = new CancellationTokenSource();

        Console.CancelKeyPress += (_, _) => cts.Cancel();

        botClient.StartReceiving(
            updateHandler: async (bot, update, token) =>
            {
                // Получение вашего BotService из DI
                var botService = host.Services.GetRequiredService<BotService>();
                await botService.HandleUpdateAsync(update, token);
            },
            errorHandler: async (bot, exception, token) =>
            {
                logger.LogError($"Telegram Bot Error: {exception.Message}");
                await Task.CompletedTask;
            },
            receiverOptions: new Telegram.Bot.Polling.ReceiverOptions
            {
                AllowedUpdates = Array.Empty<UpdateType>() // Получать все обновления
            },
            cancellationToken: cts.Token
        );
        logger.LogInformation("Bot is running. Press Ctrl+C to stop.");
        await Task.Delay(Timeout.Infinite, cts.Token);
    }
}