using LiteCharms.Features.Hasher;
using LiteCharms.Features.Hasher.Configuration;

namespace LiteCharms.Features.Extensions;

public static class Hash
{
    public const string HasherConfigSectionName = "HasherSettings";

    public static IServiceCollection AddHashServices(this IServiceCollection services, IConfiguration configuration)
    {
        services.Configure<HasherSettings>(configuration.GetSection(HasherConfigSectionName));

        var settings = configuration.GetSection(HasherConfigSectionName).Get<HasherSettings>();

        services.AddSingleton<IHashids>(_ =>
            new Hashids(settings!.Salt, minHashLength: settings.MinHashLength));

        services.AddSingleton<HashService>();

        return services;
    }    
}