using System;
using System.Threading.Tasks;
using CliFx.Demo.Commands;
using CliFx.Demo.Domain;
using Microsoft.Extensions.DependencyInjection;

namespace CliFx.Demo;

public static class Program
{
    private static IServiceProvider GetServiceProvider()
    {
        // We use Microsoft.Extensions.DependencyInjection for injecting dependencies in commands
        var services = new ServiceCollection();

        // Register services
        services.AddSingleton<LibraryProvider>();

        // Register commands
        services.AddTransient<BookCommand>();
        services.AddTransient<BookAddCommand>();
        services.AddTransient<BookRemoveCommand>();
        services.AddTransient<BookListCommand>();

        return services.BuildServiceProvider();
    }

    public static async Task<int> Main() =>
        await new CliApplicationBuilder()
            .SetDescription("Demo application showcasing CliFx features.")
            .AddCommandsFromThisAssembly()
            .UseTypeActivator(GetServiceProvider().GetRequiredService)
            .Build()
            .RunAsync();
}