ServiceCollectionExtensions.cs

namespace WindowsWebServiceManager;

using System;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using WindowsWebServiceManager.Cli;
using WindowsWebServiceManager.Cli.Commands;
using WindowsWebServiceManager.Common;
using WindowsWebServiceManager.Services;
using WindowsWebServiceManager.Services.CacheReset;
using WindowsWebServiceManager.Services.Managers;

public static class ServiceCollectionExtensions
{
    public static IServiceCollection AddWebServiceManagement(this IServiceCollection services, IConfiguration configuration)
    {
        if (services == null) throw new ArgumentNullException(nameof(services));
        if (configuration == null) throw new ArgumentNullException(nameof(configuration));

        services.Configure<WebServiceManagerOptions>(configuration.GetSection("WebServiceManager"));
        services.PostConfigure<WebServiceManagerOptions>(opts =>
        {
            opts.ServiceAccount = opts.ServiceAccount.ApplyEnvironment(Environment.GetEnvironmentVariable);
            opts.Validate();
        });

        services.AddSingleton(sp =>
            sp.GetRequiredService<Microsoft.Extensions.Options.IOptions<WebServiceManagerOptions>>().Value);

        services.AddHttpClient();

        services.AddSingleton<IHealthCheckService, HealthCheckService>();
        services.AddSingleton<IIisDiscoveryService, IisDiscoveryService>();
        services.AddSingleton<IWebAppRepository, WebAppRepository>();
        services.AddSingleton<IIisServerManagerFactory, IisServerManagerFactory>();
        services.AddSingleton<IProcessRunner, ProcessRunner>();
        services.AddSingleton<IWindowsImpersonator, WindowsImpersonator>();

        services.AddSingleton<IWebAppManager, IisWebAppManager>();
        services.AddSingleton<IWebAppManager, KestrelProcessManager>();
        services.AddSingleton<IWebAppManager, WindowsServiceWebAppManager>();
        services.AddSingleton<IWebAppManager, DockerWebAppManager>();
        services.AddSingleton<IWebAppManagerFactory, WebAppManagerFactory>();

        services.AddSingleton<ICacheResetStrategy, RecycleCacheReset>();
        services.AddSingleton<ICacheResetStrategy, HttpCacheReset>();
        services.AddSingleton<ICacheResetStrategy, FileCacheReset>();
        services.AddSingleton<CacheResetCoordinator>();

        services.AddSingleton<ConsoleRenderer>();
        services.AddSingleton<CommandDispatcher>();
        services.AddSingleton<ListCommand>();
        services.AddSingleton<StatusCommand>();
        services.AddSingleton<StartCommand>();
        services.AddSingleton<StopCommand>();
        services.AddSingleton<RestartCommand>();
        services.AddSingleton<ClearCacheCommand>();

        return services;
    }
}