using Grpc.Core;
using Grpc.Net.Client;
using JOBot.Proto;
using JOBot.TClient.Commands.Buttons;
using JOBot.TClient.Commands.Commands;
using JOBot.TClient.Core.HostedServices;
using JOBot.TClient.Services;
using JOBot.TClient.Statements;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Telegram.Bot;

namespace JOBot.TClient;

public static class DependencyInjection
{
    public static IServiceCollection ConfigureServices(this IServiceCollection services, IConfiguration config)
    {
        services.AddSingleton(config);
        
        services.AddScoped<ChannelBase, GrpcChannel>(_ => GrpcChannel.ForAddress(config.GetValue<string>("BackendHost") 
                                                                    ?? throw new MissingFieldException("Host is not defined")));
        
        #region Commands
        services.AddScoped<StartCommand>();
        services.AddScoped<MenuCommand>();
        services.AddScoped<InfoCommand>();
        
        //buttons
        services.AddScoped<EulaAgreementButtonCommand>();
        #endregion
        
        #region gRPC Clients
        services.AddGrpcClient<User.UserClient>(o => o.Address = new Uri("http://backend:5001"));
        #endregion
        
        #region Services
        services.AddSingleton<UserService>();
        services.AddScoped<PrepareUserService>();
        services.AddScoped<MenuService>();
        #endregion
        
        #region States
        services.AddScoped<PrepareUserState>();
        #endregion
        
        // Bot service
        services.AddHostedService<BotBackgroundService>();
        services.AddSingleton<ITelegramBotClient>(_ => 
            new TelegramBotClient(config.GetValue<string>("TelegramToken") 
                                  ?? throw new MissingFieldException("TelegramToken is not set")));
        
        services.AddLogging(builder => builder.AddConsole());
        return services;
    }
}