using System;
using Microsoft.Extensions.DependencyInjection;

namespace StellaOps.Scanner.Surface.Validation;

public sealed class SurfaceValidationBuilder
{
    private readonly IServiceCollection _services;

    internal SurfaceValidationBuilder(IServiceCollection services)
    {
        _services = services;
    }

    public SurfaceValidationBuilder AddValidator<TValidator>()
        where TValidator : class, ISurfaceValidator
    {
        _services.AddSingleton<ISurfaceValidator, TValidator>();
        return this;
    }

    public SurfaceValidationBuilder AddValidator(Func<IServiceProvider, ISurfaceValidator> factory)
    {
        if (factory is null)
        {
            throw new ArgumentNullException(nameof(factory));
        }

        _services.AddSingleton(provider => factory(provider));
        return this;
    }

}